Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
|
“sun ray” appearance is seen under which bone lesion?
|
Osteosarcoma
|
|
|
What’s a Garrington’s sign and what bone lesions is it seen in?
|
It is a localized symmetrical widening of periodontal ligament space seen in osteosarcoma
|
|
|
46. Atypical looking calcified nodules of cartillages in the larger joints are seen in which lesions
|
a. Synovial chondromatosis
|
|
|
45. Radiographic appearance of “Loose bodies” is seen in which lesion
|
a. Synovial chondromatosis
|
|
|
44. Which lesion shows “Chondrometaplasia
|
a. Synovial chondromatosis
|
|
|
43. Which bone tumor shows reactive sclerosis while which one does not
|
a. Osteoblastoma = No reactive sclerosis
b. Osteoid osteoma = reactive sclerosis |
|
|
42. Which bone tumor causes pain that is relived by aspirin while which one is not relieved by aspirin
|
a. Osteoblastoma = pain not relived by aspirin
b. Osteoid osteoma = pain relived by aspirin |
|
|
41. Prominent reversal lines are seen in which bone lesions
|
a. Paget disease of bone
b. Osteoblastoma c. Osteoid osteoma |
|
|
40. Lesions that cause facial deformity
|
a. Osteopetrosis
b. Paget’s disease of bone c. Familial gigantiform cementoma d. Osteoma |
|
|
39. Which lesion shows monotonous arrangement microscopically
|
a. Fibrous dysplasia
|
|
|
38. Which benign lesion shows trabecular and psammomatoid microscopic pattern
|
a. Juvenile ossifying fibroma
|
|
|
37. Two fibro-osseous lesions that are well-demacated from surrounding bone while one that has margins blending into surrounding bone
|
a. Central ossifying fibroma and Juvenile ossifying fibroma is well-demarcated from surrounding bone
b. Fibrous dysplasia has margins that blends into surrounding bone. |
|
|
36. In bone pathology, there are two lesions that shows bony expansion without perforation of cortex/cortical plate?
|
a. Fibrous dysplasia & Central ossifying fibroma
|
|
|
• Most common malignancy to originate in bone
|
osteosarcoma
|
|
|
What bone lesion shows "sun-burst” if penetrates cortex and may get root resorption
|
Chondrosarcoma
|
|
|
Mesenchymal chondrosarcoma shows biphasic microscopic feature.
Sheets of spindled/round cells: differentiated or undifferentiated? Chondroid: differentiated or undifferentiated? |
Sheets of spindled/round cells: undifferentiated
Chondroid: differentiated |
|
|
mesenchymal chondrosarcoma can be confused with what other two bone lesions?
|
chondroma
Ewing sarcoma |
|
|
Cell origin of Ewing sarcoma
|
Neuroectodermal
|
|
|
Is Ewing sarcoma very common/uncommon in jaws?
|
Uncommon in jaws
|
|
|
Most common symptoms of ewing sarcoma?
|
Pain
|
|
|
Onion peel appearance is characteristic of what lesion
|
ewing sarcoma
|
|
|
Most common neoplasm involving bone
|
Metastasis
|
|
|
Name Carcinomas that are most likely to metastasize to bone?
|
Prostate
Breast Lung Kidney Thyroid |
|
|
Which bone lesion causes narrowing of the PDL space
|
Fibrous dysplasia
|
