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Most common |
#mostcommon500 MOST COMMONs...1. Most common aortic branch involved inTakayasu arteritis : Left subclavian2. Most common cause of respiratorydistress in newborn : Transient tachypnea ofthe newborn3. Most common location to see Asbestosissequale : Posterior lower lobes.4. Most common karyotype / chromosomalabnormality in USA : Down’s syndrome5. Most common osseous lymphoma,primary and secondary : Diffuse large B-celllymphoma6. Most common primary malignant orbitaltumor in childhood : Rhabdomyosarcoma7. Most common type of fluid collection inscrotum : Hydrocele8. Most common type of liposarcoma toaffect children : Myxoid liposarcoma9. Most common abdominal emergency ofearly childhood : Intussusception.10. Most common acetabular fracture :Posterior acetabulum.11. Most common affected bowel segment inTB : Ileocecal area.12. Most common affected joint in gout :First MTP.13. Most common AIDS-related neoplasm :Kaposi Sarcoma14. Most common allergic aspergillosissyndrome : Allergic bronchopulmonaryaspergillosis.15. Most common anatomic variant ofpancreas : Pancreas divisum16. Most common anomalous course of RCA :Interarterial17. Most common appearance of Legionellaat the peak of the disease : Bilateral airspaceconsolidation.18. Most common assoc. w/ Fx of great toedistal phalanx with physealinvolvement :Osteomyelitis.19. Most common associated anomaly withcoarctation : Bicuspid valve.20. Most common association of PAPVR :Sinus venosus type ASD.21. Most common association with small leftcolon syndrome : Maternal DM22. Most common bacterial cause ofmesenteric adenitis : Yersinia enterocolitica.23. Most common benign cardiac rhythmabnormality : PAC24. Most common benign cartilage-containing tumor : Osteochondroma25. Most common benign growth of theskeleton : Osteochondroma26. Most common benign hepatic lesion :Hemangioma27. Most common benign hepatic tumorduring fist 6 mo. of life : InfantileHemangioendothelioma28. Most common benign intraconal tumorof the orbit in adults : Cavernoushemangiomas.29. Most common benign masses caused byasbestos exposure : Atelectatic AsbestosPseudotumor30. Most common benign mesenchymaltumor of kidney : AML31. Most common benign mucosal tumor ofthe esophagus : Papilloma32. Most common benign nasopharyngealtumor : Juvenile angiofibroma.33. Most common benign orbital tumor inchildhood : Dermoid Cyst of Orbit34. Most common benign ovarian neoplasmin young and middle-aged women (<45years) :Mature teratoma35. Most common benign radiation-inducedtumor of the musculoskeletal system :Osteochondroma36. Most common benign rib lesion in anadult : Fibrous dysplasia.37. Most common benign soft-tissue tumorof the foot : Plantar fibromatosis38. Most common benign soft-tissue tumorof vascular origin : Hemangioma39. Most common benign solid tumor inwomen of childbearing age : Fibroadenoma40. Most common benign testicular mass :Simple cyst41. Most common benign tumor of spleen :Hemangioma42. Most common benign tumor of thelarynx : Squamous papilloma43. Most common benign tumor of the lung :Hamartoma44. Most common benign tumor of the smallbowel : GIST45. Most common benign vascular gastrictumor : Glomus tumor of stomach.46. Most common bilateral testicular tumor :Lymphoma47. Most common biliary complication s/plap. cholecystectomy : Bile duct leak fromcystic duct stump.48. Most common biliary complication s/pliver transplantation : Obstruction/stenosis atanastomosis.49. Most common bladder neoplasm inchildren younger than 10 years :Rhabdomyosarcoma50. Most common bone to develop anosteochondroma : Femur (tibia second mostcommon) 101. Most common cause of ejaculatory ductobstruction : Mullerian duct cyst ?102. Most common cause of endometriosis ingirls <16 years of age : Obstructive müllerianduct anomalies103. Most common cause of end-stage renaldisease : Diabetic Nephropathy104. Most common cause of epididymitis inmales aged 15 to 35 years : Sexuallytransmitted diseases105. Most common cause of esophagealrupture : Iatrogenic106. Most common cause of exocrinepancreatic insufficiency in patients <30 yearsof age : CF107. Most common cause of facialhemipalsy : Bell palsy108. Most common cause of false-positive V/Q scan for acute PE : Previous pulmonaryembolism109. Most common cause of fungal infectionin AIDS patients : Cryptococcosis110. Most common cause of gastrocolicfistula : Gastric ulcer.111. Most common cause of heart failure inpatients with COPD : Atherosclerotic heartdisease112. Most common cause of hemifacialspasticity is vertebrobasilar dolichoectasia.113. Most common cause of hepaticcalcifications : Infection114. Most common cause of hydronephrosisin the newborn male : Ureteropelvic junction115. Most common cause of hyperreflexivebladder : Spinal cord trauma116. Most common cause of increasednuchal thickness : Downs syndrome117. Most common cause of interstitial andairspace edema : CHF118. Most common cause of intradiaphragmatic cyst :Extralobar sequestration119. Most common cause of intraventricularhemorrhage :Disruption of the subependymalveins120. Most common cause of intussusceptionin children >6 years : Lymphoma121. Most common cause of large sphericalpancreatic calcifications in children :Hereditary pancreatitis122. Most common cause of left atrialdilatation : Mitral regurgitation.123. Most common cause of leukokoria :Retinoblastoma.124. Most common cause of livermetastasis : Colon.125. Most common cause of lower extremityvenous valve dysfunction : DVT.126. Most common cause of lower GIbleeding : Diverticulosis.127. Most common cause of malignancy ofmen in the world -- Bronchogenic Carcinoma128. Most common cause of maternalperipartum death : Amniotic fluid embolism129. Most common cause of membranouscroup : Staph. Aureus.130. Most common cause of microcolon:Meconium ileus.131. Most common cause of mortality inulcerative colitis : Toxic megacolon.132. Most common cause of necrolyticmigrating erythema : Glucagonoma133. Most common cause of neonatal nasalobstruction : Choanal atresia.134. Most common cause of NeonatalPneumonia : Group B streptococcus.135. Most common cause of neonatalrespiratory distress in full term/postmatureinfants – Meconium aspiration136. Most common cause of nephrocalcinosis in adults : Primary hyperparathyroidism137. Most common cause of non-immunehydrops in USA : Cardiac anomaly138. Most common cause of optic nerveenlargement : Optic nerve glioma139. Most common cause of orbitalcalcifications : Retinoblastoma140. Most common cause of orbitalinfection : Paranasal sinusitis141. Most common cause of osteoblasticbone metastases in an adult female : Breastcancer142. Most common cause of osteoblasticbone metastases in an adult male : Prostatecancer143. Most common cause of osteolytic bonemetastases in a child : Neuroblastoma144. Most common cause of osteolytic bonemetastases in an adult female : Breast cancer145. Most common cause of osteolytic bonemetastases in an adult male : Lung cancer146. Most common cause of Osteomyelitis ofspine : Penetrating direct trauma147. Most common cause of pancreaticlipomatosis in children : CF148. Most common cause of pleuraleosinophilia : Air in the pleural space149. Most common cause ofpneumoperitoneum : Ruptured duodenalulcer.150. Most common cause of postpartumfever : Endometritis.151. Most common cause of pseudomyxomaperitonei : Appendiceal mucinousadenocarcinoma152. Most common cause ofpseudoureterocele : Bladder tumor153. Most common cause of pulmonaryhypoplasia : Diaphragmatic hernia154. Most common cause of pulmonarytumor embolus : Gastric carcinoma155. Most common cause of recurrent hipdisloc. s/p hip arthroplasty : Acetabularcomponent malposition156. Most common cause of reflux in childw/ non-duplicated collecting system: Shortintramural ureter.157. Most common cause of renal veinthrombosis in adults : Nephrotic syndrome158. Most common cause of restrictivecardiomyopathy : Amyloid159. Most common cause of roundpneumonia in children : Streptococcus.160. Most common cause of roundpneumonia in children : Streptococcus161. Most common cause of small bowelobstruction : Adhesions162. Most common cause of squamous cellca. in the renal pelvis : Chronic Infected staghorn calculus163. Most common cause of stridor inneonate and young infant : Laryngomalacia164. Most common cause of sudden cardiacdeath among young people Hypertrophiccardiomyopathy (HCM)165. Most common cause of SVC syndrome :Bronchogenic carcinoma166. Most common cause of testicularswelling : Hydrocele167. Most common cause of the pulmonary-renal syndrome : Microscopic polyangitis.168. Most common cause of the stripe signon V/Q scan : COPD169. Most common cause of thoracic outletsyndrome : Scalene anticus.170. Most common cause of toxic megacolon : Pseudomembranous colitis.171. Most common cause of tree in budappearance on CT : Bronchiolitis172. Most common cause of tricuspidstenosis : Rheumatic heart disease173. Most common cause of unilateraldiaphragmatic paralysis : Malignant invasion174. Most common cause of unilateralnonperfused lung on V/Q scan :Bronchogenic carcinoma175. Most common cause of unilateralpulmonary edema : Prolonged unilateraldependent positioning176. Most common cause of urinaryobstruction in boys : posterior urethralvalves177. Most common cause of valvular heartdisease in the United States : Degenerative178. Most common cause of vascular ring :Double arch.179. Most common cause of vertebra planain children : EG180. Most common cause requiring bronchialartery embolization : CF181. Most common cause worldwide forcholangiocarcinoma : Clonorchis sinensisinfestation182. Most common cerebellar neoplasm inchildren : Medulloblastoma183. Most common cerebral mass lesion inAIDS : Toxoplasmosis184. Most common chest radiograph findingseen in pts with an acute PE : Atelectasis185. Most common chest x-ray abnormalityin the ICU : Atelectasis186. Most common child abuse facture :Diaphyseal fracture,187. Most common collagen disorder for apleural effusion : SLE188. Most common colonic polyp :Hyperplastic polyp189. Most common colonic site forlymphoma : Cecum190. Most common complication of ERCP :Pancreatitis191. Most common complication of poplitealartery aneurysm : Distal ischemia(thrombosis/embolism)192. Most common complication with IVCfilters : DVT.193. Most common component of mixedgerm cell tumors : Embryonal Cell Carcinoma194. Most common congenital abnormalityof GI tract : Meckel’s diverticulum195. Most common congenital anomaly ofCNS in live births : Myelomeningocele196. Most common congenital defect ofCNS : Anencephaly.197. Most common congenital head and neckcyst in a child : Thornwaldt cyst198. Most common congenital heart disease :Bicuspid aortic valve.199. Most common congenital intracranialtumor : Epidermoid or inclusion cyst200. Most common congenital lesion of bileducts : Choledochal Cyst201. Most common congenital skeletaldysplasia : Achondroplasia.202. Most common congenital solid tumor inthe newborn : Sacrococcygeal Teratoma(1:40K live births)203. Most common cranial nerve affected bya pituitary macroadenoma : CN VI.204. Most common cranial nerve to beaffected with schwannoma : VIII205. Most common craniofacialmalformation : Facial Clefting206. Most common crystalline arthropathy :CPPD207. Most common CT finding in bowelischemia : Bowel wall thickening.208. Most common cyanotic congenital heartmalformation beyond neonatal period : TOF209. Most common cyst of the jaw :Radicular cyst = Periapical cyst210. Most common cystic lesion of prostate :Cystic degeneration of BPH211. Most common cystic tumor ofpancreas : Mucinous cystic neoplasm212. Most common diffuse breast disorder :Fibrocystic disease of breast.213. Most common diffuse gray matterdegenerative disease : Alzheimer’s214. Most common dislocated auditoryossicle longitudinal temporal bone fracture :Incus215. Most common dislocation in adult :Glenohumeral.216. Most common dislocation in child :Elbow.217. Most common epididymal neoplasm :Adenomatoid tumor218. Most common estrogenic ovariantumor : Granulosa Cell Tumor219. Most common etiology for chronictemporal lobe epilepsy : Ganglioglioma220. Most common etiology for multiplesmall gastric polyps : Hyperplastic polyps.221. Most common etiology forosteomyelitis : Staphylococcus aureus.222. Most common etiology of bilaterallyenlarged, hyperechoic kidneys in newborninfant : ARPKD.223. Most common etiology of mesentericadenitis : Viral224. Most common etiology ofpneumomediastinum : Alveolar rupture.225. Most common etiology of rickets :Vitamin D deficiency.226. Most common extra-adrenal site ofpheochromocytoma : Organ of Zuckerkandl.227. Most common extraaxial neoplasm ofCNS : Meningioma228. Most common extragonadal site ofprimary germ cell tumors : Anteriormediastinum.229. Most common extrapulmonary site oftuberculosis : Urinary tract230. Most common fetal cardiac anomalyseen on 4 chamber view US : AV canal defect(aka ECD)231. Most common fibromatosis inchildhood : Infantile Myofibromatosis232. Most common finding of a tubalpregnancy seen on US images Adnexal massseparate from ovary233. Most common finding of contralateralkidney in MCKD : Reflux234. Most common fluid collection seen intransplant patients : Lymphoceles.235. Most common form of aortic stenosis :Valvular236. Most common form of carpalinstability : DISI237. Most common form of emphysema inalpha-1 antitrypsin deficiency : Panlobularemphysema238. Most common form of emphysema innonsmokers : Panlobular emphysema239. Most common form of emphysema insmokers : Centrilobular emphysema240. Most common form of hypertrophiccardiomyopathy : Asymmetric involvement ofthe interventricular septum241. Most common form of skeletaldysplasia : Acquired skeletal dysplasia.242. Most common form of systemicvasculitis in adults : Giant cell (temporal)arteritis243. Most common fracture of forearm :Colles244. Most common functional tumors of theovary : Sex cord–stromal tumors245. Most common fungal infection in AIDS :Cryptococcus.246. Most common genitourinary organaffected by neurofibromas : Urinary bladder247. Most common germ cell tumorassociated with excessive hCGproduction :Choriocarcinoma.248. Most common germ cell tumorassociated with excessive hCG productionafter choriocarcinoma : Dysgerminoma.249. Most common GI neoplasm : Adenoma250. Most common GI tract location forprimary extranodal lymphoma : Stomach,usually NHL type.251. Most common glial tumor in adults :Ependymoma252. Most common glial tumor in NF 1 : JPA.253. Most common glial tumor withmicrocalcifications : Oligodendroglioma254. Most common gynecologic neoplasm :Uterine Leiomyoma255. Most common hereditaryhypercoagulable condition : Factor V Leiden256. Most common hereditaryleukodystrophy : Metachromaticleukodystrophy257. Most common histologic type ofbronchogenic carcinoma associated withcavitation : Squamous258. Most common histologic type ofbronchogenic carcinoma associated withpancoast tumor : Squamous259. Most common histologic type ofbronchogenic carcinoma associated withpleural effusion : Adenocarcinoma260. Most common histologic type of lungcancer associated with asbestosis exposure :BAC261. Most common histologic type ofprimary cutaneous lymphoma :T-celllymphoma262. Most common ILD to be found inassociation with collagen vascular disease :NSIP263. Most common indication forpercutaneous vertebroplasty : Osteoporosis.264. Most common infection to causecerebellar hypoplasia & migrationanomalies : CMV265. Most common infratentorial neoplasmin an adult : Metastases266. Most common inherited disease amongCaucasian Americans : CF267. Most common internal enhancementpattern in DCIS with non mass likeenhancement : Clumped enhancement268. Most common intracranial for site ofteratomas : Pineal region.269. Most common intracranial presentationof TB : Tuberculous meningitis.270. Most common intramedullary spinalneoplasm in adults : Ependymoma of SpinalCord271. Most common intramedullary tumor inchildren : Astrocytoma272. Most common intramedullary tumor ofadults : Ependymoma.273. Most common intraocular neoplasm inchildhood : Retinoblastoma274. Most common intraorbital tumorsfound in adults : Cavernous hemangiomas.275. Most common intrathoracic fetalanomaly : Congenital diaphragmatic Hernia276. Most common intrathoracic foregutcyst : Bronchogenic Cyst277. Most common intrauterine CNSinfection : CMV278. Most common intravascular venoustumor : Leiomyosarcoma of IVC279. Most common in-utero renal tumor :Mesoblastic nephroma.280. Most common invasive gynecologicmalignancy : Endometrial malignancy281. Most common islet cell tumor in MEN1 : Gastrinoma282. Most common islet cell tumor of thepancreas : Insulinoma.283. Most common joint involved in synovialosteochondromatosis : Knee284. Most common lesion to cause expansionof paranasal sinus : Mucocele285. Most common lethal bone dysplasia :Osteogenesis imperfecta type II ?286. Most common liver tumor aftermetastases : Hemangioma287. Most common lobe affected inbronchial atresia : Left upper lobe.288. Most common location for acephalhematoma : Parietal289. Most common location for a gastricdiverticulum : Posterior wall of the gastricfundus.290. Most common location for a pilocyticastrocytoma : Cerebellum291. Most common location for a solitarymyeloma of the bone : Thoracolumbar spine292. Most common location for a synovialsarcoma : Knee293. Most common location for a Tarlovcyst : Posterior rootlets of S2 + S3294. Most common location for abdominalsarcoid involvement : Stomach295. Most common location for atelectaticasbestos pseudotumor : Posteromedial & -lateral basal region of lower lobes296. Most common location for chordomas :Sacral spine.297. Most common location for gallbladderperforation : Fundus298. Most common location for SclerosingOsteomyelitis of Garré (sterileOsteomyelitis) : Mandible299. Most common location for typhlitis :Cecum.300. Most common location for well-differentiated liposarcoma : Thigh301. Most common location in biliary treefor cholangiocarcinoma : Upper third/perihilar region.302. Most common location in the spine foran osteochondroma : Cervical (C2) followedby thoracic T8303. Most common location of a meningiomain the spine : Thoracic spinal cord304. Most common location of a periurethraldiverticulum in a female : Posterolateral.305. Most common location of an ectopicpregnancy : Ampullary region of the fallopiantube.306. Most common location of benign andmalignant masses in breast : Upper outerquadrant307. Most common location of bronchogeniccarcinoma : Right upper lobe308. Most common location of coarctation :Postductal beyond the origin of the leftsubclavian artery.309. Most common location of coronarycalcifications : LAD.310. Most common location of DAI :Frontotemporal gray–white matter junction.311. Most common location of GIST :Stomach.312. Most common location of GUobstruction in a neonatal male :Ureteropelvic junction.313. Most common location of intracranialdissection : Vertebral arteries.314. Most common location of intraorbitalabscess : Subperiosteal space on medial wall.315. Most common location ofintraventricular meningioma : Atrium of thelateral ventricle.316. Most common location ofoligodendroglioma : Frontal lobe.317. Most common location of pleomorphicxanthoastrocytoma : Temporal lobes.318. Most common location of pulmonarysequestration : Posterior medial lower.319. Most common location of PVNS : Knee.320. Most common location of sarcoidosis inspinal cord : Cervical.321. Most common location of the biliaryembryonal Rhabdomyosarcoma : CBD322. Most common location of triquetralfracture is dorsal avulsion323. Most common location to find alithopedion : Adnexae324. Most common location to seeintravertebral vacuum phenomenon(Kümmell Disease) : Thoracolumbar junction325. Most common lung infection in HIV:Bacterial pneumonia326. Most common lung mass : Granuloma327. Most common lysosomal storagedisorder : Gaucher’s disease328. Most common malformation associatedwith callosal agenesis : Dandy-Walkermalformation.329. Most common malignancy ofchildhood : Leukemia.330. Most common malignancy of parotidgland in adult : Mucoepidermoid carcinoma.331. Most common malignant abdominalneoplasm in children 1–8 years old : WilmsTumor.332. Most common malignant bone tumor inchildren : Ewings333. Most common malignant cause ofbilateral global renal enlargement :Lymphoma.334. Most common malignant neoplasm ofdiaphragm : Fibrosarcoma.335. Most common malignant neoplasm ofthe spleen : Lymphoma.336. Most common malignant ovarianneoplasm : Serous adenocarcinoma.337. Most common malignant ovarianneoplasm : Serous cystadenocarcinoma.338. Most common malignant primary bonetumor in young adults + children :Osteosarcoma339. Most common malignant radiation-induced tumor of the musculoskeletalsystem : MFH340. Most common malignant sex cord–stromal tumor : Granulosa cell tumor341. Most common malignant testicularneoplasm : Nonseminomatous germ celltumors342. Most common malignant tumoraffecting ribs of children + adolescents :Ewings Sarcoma343. Most common malignant tumor of theabdomen in patients with NF1 Malignantperipheral nerve sheath tumor344. Most common malignant tumor of theduodenum : Adenocarcinoma.345. Most common malignant tumor of theheart : Angiosarcoma346. Most common malignant tumor of thesmall bowel : Carcinoid347. Most common mammographic findingin DCIS : Microcalcifications348. Most common mammographic findingin Infiltrating/Invasive Lobular Carcinoma :Architectural distortion.349. Most common manifestation ofasbestosis exposure : Pleural plaques350. Most common manifestation ofasbestos-related pleural disease : Pleuraleffusion351. Most common manifestation of bluntchest trauma : Pulmonary contusion352. Most common mass lesion of thecerebellopontine angle after acousticschwannoma : Meningioma353. Most common mediastinal germ celltumor : Seminoma.354. Most common mediastinal mass in achild between the ages of 6 & 12 years old :Lymphoma355. Most common mediastinal neurogenictumor : Schwannoma356. Most common mesenchymal originneoplasm of GI tract : GIST357. Most common metabolic liver disease inchildren : Hepatic cirrhosis in homozygousalpha-1 Antitrypsin Deficiency358. Most common metastases to thespleen : Breast carcinoma359. Most common metastasis to the heart :Melanoma360. Most common metastatic cause of linitisplastica : Breast carcinoma361. Most common metatarsal to have astress fracture : Second metatarsal.362. Most common missed type of breastcancer on mammography : Infiltrating/Invasive Lobular Carcinoma.363. Most common mitral valve abnormalityin the Western world : Non-rheumatic mitralvalve disease.364. Most common monodermal teratoma :Struma ovarii.365. Most common motor neuron disease :ALS.366. Most common MR imaging finding inDCIS : Non-masslike enhancement.367. Most common mycotic pneumonia in anAIDS patient : Cryptococcus.368. Most common natural outcome of theVSD : Spontaneous complete closure.369. Most common neonatal cyanoticcongenital heart malformation : TGV370. Most common neonatal lesion ofadrenal gland : Nontraumatic AdrenalHemorrhage.371. Most common neoplasm of conusmedullaris : Myxopapillary Ependymoma ofSpinal Cord.372. Most common neoplasm of internalauditory canal / cerebellopontine angle :Vestibular Schwannoma.373. Most common neoplasm of thegastrointestinal tract in patients with NF1:Neurofibromas.374. Most common nerve to be involved intarsal tunnel syndrome : Posterior tibialnerve.375. Most common nonepidemicmeningoencephalitis in immunocompetentindividuals in US : Herpes Encephalitis.376. Most common nonepithelial malignantbladder tumor : Leiomyosarcoma.377. Most common nonepithelial tumor inthe colon : Lipoma.378. Most common nonepithelial tumor ofthe bladder : Leiomyoma.379. Most common nonglial primary tumorsof the central nervous system : Meningiomas.380. Most common nonlymphoproliferativeprimary malignant tumor of the spine inadults : Chordoma.381. Most common nonlymphoproliferativeprimary malignant tumor of the spine inchildren : PNET.382. Most common nontraumatic cause ofacute limp in a child : Toxic synovitis.383. Most common non-traumatic cause offacial nerve paralysis & hearing loss : CPAtumor.384. Most common odontogenic mass :Odontoma= odontogenic hamartomatousmalformation.385. Most common of all alimentary tractduplications : Small Bowel Duplication Cyst.386. Most common of cerebral vascularmalformation : DVA.387. Most common opportunistic infection inAIDS : Toxoplasmosis.388. Most common organism involved inpancreatic abscess : E. Coli.389. Most common organism of acutepyogenic meningitis in infants & children :N. meningitides.390. Most common origin of cystic artery :Right hepatic artery.391. Most common osteochondrodysplasia :Hereditary Multiple Exostoses392. Most common ovarian neoplasm :Dermoid aka dermoid cyst = Mature cysticteratoma393. Most common ovarian tumor-relatedmorbidity : Bowel obstruction394. Most common pancreatic abnormalityin adult pt's with CF : Complete fattyreplacement395. Most common paraneoplastic diseaseassociated with thymoma : Myasthenia gravis396. Most common parasitic infectioninvolving CNS in developing countries :Cysticercosis397. Most common parotid disease inchildren : Mumps parotitis.398. Most common pattern of bronchialarteries : Two left & one right bronchialartery399. Most common pattern of enhancementat DE MR cardiac imaging : Patchy midwallenhancement with multiple foci400. Most common pattern of hepaticinvolvement of secondary lymphoma : Diffuseinfiltrative401. Most common pattern of spread inGallbladder Carcinoma : Direct spread.402. Most common pediatric glioma : JPA403. Most common pediatric tumor causingisosexual precocious puberty in a girl :Granulosa cell tumor404. Most common phakomatoses : NF1405. Most common pineal tumor : PinealGerminoma406. Most common predisposing cause todevelop pneumothorax during percutaneouslung biopsy : COPD407. Most common predisposing disorder ofsecondary spontaneous pneumothorax :COPD408. Most common pregnancy-relatedmortality in the first trimester Ectopicpregnancy409. Most common presentation foridiopathic pulmonary fibrosis : Dyspnea410. Most common presentation in stucktwin syndrome : Monochorionic diamniotic411. Most common presentation ofbronchoalveolar cell carcinoma (BAC) :Solitary pulmonary nodule.412. Most common presentation of GIST oncross sectional imaging : Cystic areas ofnecrosis.413. Most common presentation ofmesoblastic nephroma : Palpable mass atbirth.414. Most common presentation ofneurocysticercosis : Seizures.415. Most common presenting symptom ofOsler Weber Rendu : Hemoptysis.416. Most common primary benignmesenteric tumor : Desmoid.417. Most common primary brain tumor :GBM.418. Most common primary cardiac tumorsin adults : Myxomas.419. Most common primary cerebellar massin an adult : Hemangioblastoma420. Most common primary demyelinatingdisease : MS421. Most common primary female urethralmalignancy : Squamous cell carcinoma422. Most common primary hepaticneoplasm in infants & children <5 years old :Hepatoblastoma423. Most common primary intraocularneoplasm in adult Caucasian : UvealMelanoma424. Most common primary lung tumorunder age 16 : Bronchial Adenoma425. Most common primary malignant ribtumor : Chondrosarcoma426. Most common primary malignant sacraltumor : Sacrococcygeal Chordoma427. Most common primary malignant soft-tissue tumor of late adult life : Soft-tissueMFH428. Most common primary neoplasm of thespleen : Cavernous hemangioma429. Most common primary neoplasms ofthe anterior superior mediastinumThymomas.430. Most common primary posteriormediastinal neoplasms :Neurogenic tumors431. Most common primary tumor of thediaphragm : Lipoma432. Most common radiation-induced CNStumor : Meningioma433. Most common reason for cardiactransplantation : Dilated cardiomyopathy434. Most common recognized CNSmanifestation of VHL disease :Hemangioblastoma of CNS435. Most common relevant finding oncavogram for IVC filter placement :Circumaortic left renal vein.436. Most common renal fusion anomaly :Horseshoe kidney437. Most common renal mass in a 3 monthsold infant : Mesoblastic nephroma438. Most common respiratory cause of coldagglutinin production : Mycoplasmapneumonia439. Most common retinal infection in AIDS :Toxoplasmosis440. Most common right cardiophrenic anglemass : Epicardial fat-pad/lipoma441. Most common segment involved intracheobronchial injury : Right lower lobebronchus.442. Most common sex cord-stromal celltumor : Ovarian Fibroma443. Most common sign of failing dialysisgraft : Increased venous pressures444. Most common sign of tuberoussclerosis : Myoclonic seizures445. Most common single cause of breastlumps in females between 35 to 55 years ofage : Breast cyst446. Most common site for an intracardiacpapillary fibroelastoma : Aortic valve.447. Most common site for aneurysm in thechest : Descending thoracic aorta.448. Most common site for cardiacmyxoma : Left atrium449. Most common site for intra cardiacthrombus formation : Atrial appendage.450. Most common site for optic melanomametastases : Liver.451. Most common site for penetratingaortic ulcers : Descending thoracic aorta452. Most common site of abdominalinvolvement in Hodgkins disease : Spleen453. Most common site of aortic dissection :Prox. Desc. Thoracic aorta near ductus lig.attachment454. Most common site of biliary tract injurycaused by blunt abdominal trauma :Gallbladder455. Most common site of monostoticfibrous dysplasia : Ribs456. Most common site of rupture of sinusof Valsalva aneurysm : RV followed by RA.457. Most common solid extracranial tumorof childhood : Neuroblastoma458. Most common spermatic cord tumor :Lipoma459. Most common spinal cord segment oflymphoma of spinal cord : Cervical460. Most common spinal cord tumor :Ependymoma461. Most common spinal location for cordastrocytoma : Thoracic462. Most common spinal location for cordependymoma : Cervical463. Most common subcortical degenerativedisease : Parkinson’s464. Most common subglottic soft-tissueupper resp. tract obstructing mass inneonates : Subglottic Hemangioma465. Most common submucosal tumor incolon : Lipoma466. Most common subtype of NHL involvingthe esophagus : Diffuse large B-celllymphoma467. Most common subtype of renal cellcarcinoma : Clear cell adenocarcinomas468. Most common suprasellar mass :Craniopharyngioma469. Most common syndromic islet celltumor : Insulinoma470. Most common systemic allergichypersensitivity-related acute small-vesselvasculitis in children : HSP471. Most common systemic fungal infectionin immunocompromised patients :Candidiasis Of Liver472. Most common tarsal bone to getfractured : Calcaneus473. Most common tarsal coalition :Talocalcaneal474. Most common testicular tumor in ayoung boy : Yolk sac tumor475. Most common tibial plateau fractures :Lateral tibial plateau (Schatzker classificationtype I–III)476. Most common trigonal intraventricularmass in adulthood : Meningioma477. Most common tumor ofadenohypophysis : Pituitary Adenoma478. Most common tumor of genitourinarytract : Metachronous TCC479. Most common tumor of the appendix :Carcinoid480. Most common tumor of the esophagus :Leiomyomas481. Most common tumor of the minorsalivary glands : Adenoid Cystic Carcinoma482. Most common type of abdominal wallhernia : Inguinal hernia483. Most common type of ASD : Ostiumsecundum484. Most common type of brain hernaition :anterior / uncal transtentorial485. Most common type of brain herniation :Subfalcine herniation486. Most common type of C2 fractures :Type 2487. Most common type of cancer to arisefrom a thyroglossal duct cyst : Papillarycarcinoma488. Most common type of cardiomyopathy :Dilated cardiomyopathy489. Most common type of choledochalcyst : fusiform dilatation of the extrahepaticduct Type 1c490. Most common type of congenitalinternal hernia : Left paraduodenal hernia491. Most common type of encephalocele inSE Asia: Sincipital Encephalocele492. Most common type of encephalocele inUS : Occipital Encephalocele493. Most common type of endoleak in theabdominal aorta : Type II endoleak494. Most common type of endoleak in thethoracic aorta : Type I endoleak495. Most common type of fracture of theproximal 5th metatarsal bone : Peroneusbrevis avulsion fracture.496. Most common type of gallbladderinflammation : Chronic cholecystitis497. Most common type of internal hernia :Postoperative, transmesenteric hernias.498. Most common type of intrapulmonaryinvolvement of Hodgkins disease :Bronchovascular form.499. Most common type of liver abscess :1Pyogenic Liver Abscess.500. Most common type of lymphomainvolving the head and neck region : Diffuselarge B-cell lymphoma. |
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51 to 100 |
51. Most common brain anomaly on prenatalsonograms : Isolated Mild Ventriculomegaly52. Most common breast tumor under age25 years : Fibroadenoma53. Most common cardiac manifestation ofSystemic Lupus Erythematous : Pericarditis54. Most common cardiac tumor inchildren : Rhabdomyoma.55. Most common cardiac valvular tumor :Papillary fibroelastoma56. Most common carpal dislocation :Transscaphoid perilunate dislocation.57. Most common causative organism ofacute pyogenic meningitis in adults : Strep.pneumoniae58. Most common causative organism ofneonatal pyogenic meningitis : E. coli59. Most common cause for failure ofdialysis graft : Fibrointimal hyperplasia :venous outflow stenosis.60. Most common cause for late failure inlung transplant patient : Bronchiolitisobliterans61. Most common cause for pulmonaryedema : Left-sided heart disease62. Most common cause non iatrogeniccause of small bowel obstruction : Hernia63. Most common cause of a large choroidplexus cyst : Trisomy 18.64. Most common cause of a large pleuralfluid collection in the newborn period :Chylothorax65. Most common cause of acute renalfailure in children requiring dialysis : HUS66. Most common cause of acute testicularpain in postpubertal male : Acuteepididymitis67. Most common cause of acute testicularpain in prepubertal male : Torsion68. Most common cause of AIDScholangiopathy : Cryptosporidium69. Most common cause of an echogenicrenal mass in a 3-month-old : Mesoblasticnephroma.70. Most common cause of an intraorbitalmass lesion in adult : Pseudotumor of Orbit71. Most common cause of AS in Westernworld : Degenerative disease72. Most common cause of bilateral breastedema : CHF.73. Most common cause of bilateralechogenic renal cortex : Chronicglomerulonephritis.74. Most common cause of biliaryobstruction : Choledocholithiasis75. Most common cause of bleeding betweenmenstrual cycles : Endometrial hyperplasia.76. Most common cause ofbronchopneumonia : Staphylococcal77. Most common cause of cancer deaths inmales and females : Bronchogenic Carcinoma78. Most common cause of cause ofinfectious esophagitis : Candida Esophagitis79. Most common cause of cavitary(necrotic) pneumonia in a child : Streppneum.80. Most common cause of Charcot joints :Diabetes mellitus81. Most common cause of CHF in a child :ALCAPA / aberrant left coronary artery82. Most common cause of CHF in aneonate : Hypoplastic Left Heart.83. Most common cause of chronichydronephrosis in renal transplant : UVanastomosis stricture.84. Most common cause of colonicobstruction in adults : Malignancy85. Most common cause of colonicobstruction in the infant : Meconium plugsyndrome in CF patients86. Most common cause of colovesicalfistula : Diverticulitis87. Most common cause of congenital CNSinfection : CMV.88. Most common cause of congenitalduodenal obstruction : Duodenal atresia.89. Most common cause of congenitalsensorineural hearing loss : Giant vestibularaqueduct syndrome90. Most common cause of cord ischemia :Thromboembolic disease91. Most common cause of coronary arteryaneurysm in USA : Atherosclerosis92. Most common cause of coronary arteryaneurysm Worldwide : Kawasaki93. Most common cause of cyanosis in achild : Tetralogy of Fallot94. Most common cause of cyanosis nnewborn Transposition of great vessels95. Most common cause of death in a severepelvic fracture : Hemorrhage.96. Most common cause of death in Ataxia –Telangiectasia : Respiratory failure.97. Most common cause of death in Jeunesyndrome : Respiratory failure98. Most common cause of drop mets :Medulloblastoma99. Most common cause of dwarfism :Achondroplasia100. Most common cause of echogenic renalpyramids in children : Furosemide |
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100 to 101 |
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