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67 Cards in this Set

  • Front
  • Back
Abnormal renal activity on MDP
chemo
radiation
antibiotics
pyelo
ATN
RVT
obstruction
MDP accumulation in tumors
OSA mets
NB
breast
meningioma
lung
mucinous liver mets
malignant effusions and ascites
Abnormal stomach activity on MDP
free TcO4 (check thyroid)
HPT (check lungs)
Breast activity on MDP
cancer
radiation
mastitis
biopsy
Soft tissue activity on MDP - focal
breast or lung cancer
malignant effusions and ascites
brain and heart infarcts
fibrothorax
radiation pneumonitis
Soft tissue activity on MDP - diffuse
venous or lymphatic obstruction
soft tissue neoplasm
crush or thermal injury
surgery
radiation
Muscle activity on MDP
over use
MO/hematoma
ischemia
compartment syndrome
rhabdomyolysis
electrical injury
Fe dextran injection
Hepatic uptake on MDP - focal
mets (colon, breast, ovary)
hepatoma
cholangiocarcinoma
Hepatic uptake on MDP - diffuse
aluminum contamination
hepatic necrosis
colloid formation during preperation
Spleen uptake on MDP
SS
Thalassemia
hemosiderosis
hematoma
infarct
Lung uptake on MDP
mets
metastatic Ca+
fibrothorax
malignant effusion
lung cancer
radiation
alveolar microlithiasis
Superscan
Mets
HPT
pagets
SS/thallasemia
leukemia/lymphoma
Cold defect on MDP
tumor (RCC, thyroid, myeloma, chordoma)
hemangioma
osteomyelitis (high pressure)
AVN
radiation
attenuation (metal, BaSO4)
Increased RAIU
graves
TMG
early hashimotos
recovering dequivains
iodine rebound
exogenous TSH
Decreased RAIU
hypothyroid
IV contrast
meds (PTU, Lugols, T3, T4)
subacute thyroiditis
late hashimotos
ectopic thyroid hormone (synthroid, struma ovarii)
Hot thyroid nodule
adenoma
adenomatous hyperplasia
very rarely cancer
Cold thyroid nodule
colloid cyst
nonfunctional adenoma
carcinoma
abscess
hemorrhage
mets
lymphoma
parathyroid adenoma
Hot liver lesion on SC
FNH
regenerating nodule
budd chiari (caudate lobe)
SVC obstruction
Cold liver lesion on SC
mets
adenoma
abscess
cyst
hepatoma
hemangioma
Delayed biliary-bowel transit of HIDA
obstruction (partial, total)
meds (narcotics)
ascending cholangitis
Persistent nephrogram
ATN
obstruction
RVT
RAS (MAG3)
False positive ACEI renogram
dehydration
ACE induced hypotension
Panda sign
sarcoid
sjogrens
AIDS
radiation
Diffuse lung uptake on gallium
sarcoid
PCP
Pneumoconioses
Drugs (bleomycin)
pneumonia
radiation
HP
Kidney >24 hr on gallium
obstruction
neoplasm
pyelo
vasculitis
ATN
lymphoma
Lung >24 hr on In111 WBC
atelectasis
CHF
pneumonia
ARDS
emboli
Bowel activity on In111 WBC
IBD
PMC
diverticulitis
ischemic bowel
CMV
VQ whole lung mismatch
large PE (unusual)
tumor
swyer james
hypoplastic or stenotic PA
prior shunt for CHD
fibrosing mediastinitis
VQ patchy NSGM perfusion
COPD/asthma
tumor microemboli
CHF
vasculitis
fat emboli
radiopharmaceutical problem
Abnormally high LVEF
IHSS and hypertrophic CM
hyperthyroidism
regurg (AI/MR/VSD)
Technical screwups
venous extravasation (lymphatic uptake)
arterial injection (glove like)
"hot spots" in lungs (syringe drawback)
hot liver on MDP (Al or colloid)
Fuzzy pictures (off photopeak)
Poor image quality
wrong photopeak
patient too far from collimator
wrong type of collimator
wroing isotope
cracked crystal
cracked PMT
tracer contamination on crystal
PIOPED High probability
->80% probability
->2 large (>75%) segmental mismatches or arithmetic equivalent in mod or lrg and mod defects
PIOPED Intermediate probability
-20-79%
-one moderate (25-75%)to 2 large segmental mismatches or arithmetic equivalent
-single matched defect with clear CXR
-triple matched defects
PIOPED Low probability
-20%
-nonsegmental perfusion defects
-any perfusion defect with substantially larger CXR abn
-matched VQ defects with normal CXR
-any number of small (<25%) perfusion defects with normal CXR
VQ mismatch
PE
tumor compression of PA
hypoplastic PA
vasculitis
atelectasis (reverse mismatch)
Matched VQ defects
consolidation
COPD
atelectasis
tumor
bulla
pneumonectomy
Stress test endpoints
severe angina
hypotension
arrhythmias
AMI
fatigue
dyspnea
target workload achieved
Pharmacologic stress test
unable to exercise
use persantine or adenosine
reverse with theophylline
use dobutamine if COPD on theophylline
Increased lung uptake on thallium
LV failure
pulmonary venous HTN
False negative thallium
submaximal exercise
noncritical stenosis
small ischemic area
medications
False positive thallium
any cardiomyopathy
LBBB
infiltrative cardiac disease
ST attenuation
Paradoxical septal movement
septal ischemia
previous cardiac surgery
LBBB or pacemaker
RV overload
Pyrophosphate uptake heart
MI
LV aneurysm
cardiomyopathy
myocarditis
pericarditis
amyloid
GB not visualized
acute cholecystitis
prolonged fasting
recent meal
cholecystectomy
GB agenesis
Biliary system not visualized
biliary atresia
long standing bile duct obstruction
Low hepatic and renal activity
severe liver disease
neonatal hepatitis
Bowel not visulized on HIDA
choledocholithiasis
ampullary stenosis
CCK given prescan
Abnormal tracer collections on HIDA
bile leak
choledochal cyst
carolis
duodenal diverticulum
False negative HIDA
duodenal diverticulum simulating GB
accessory cystic duct
False positive HIDA
recent meal
prolonged fasting
liver dysfunction
hyperalimentation
Free Tc99m pertechnatate
can see gastric, salivary and thyroid activity
Focal liver uptake sulfur colloid
FNH
regenerative nodule
Budd chiari (hot caudate)
SVC or IVC obsruction
Renal transplant uptake sulfur colloid
rejection
RLQ activity on meckel scan
meckels diverticulum with ectopic gastric mucosa
other duplication cyst with ectopic gastric mucosa
renal
active bleeding sites
tumor
IBD
Delayed gastric emptying
diabetic gastroparesis
obstruction
Rapid gastric emptying
postoperative
PUD
ZE syndrome
drugs
Focal renal cold defects
tumor
cyst
abscess
scar
duplex collecting system
trauma
infarct
DMSA- pyelo or scar
Focal renal hot lesions
collecting system
leak
cross-fused ectopia
horseshoe
Dilated ureter or collecting system
reflux
obstructed or nonobstructed ureter
Nonvisualized kidney
nephrectomy
ectopic kidney
renal artery occlusion
hyperacute rejection in transplant
Renal transplant complications
ATN
cyclosporine toxicity
acute rejection
obstruction
urinoma
lymphocele
hematoma
abscess
Decreased testicular uptake
torsion
orchiectomy
Increased testicular uptake
eididymoorchitis
Ring sign testicle
late torsion
tumor with central necrosis
abscess
trauma
Focal hot bone lesions
tumor
inflammation- OM, arthritis
congenital- OI, TORCH
metabolic- marrow hyperplasia, pagets, FD
trauma- fracture, stress fx, avulsion injury, AVN, RSD, THR, spondylolysis, child abuse
vascular- sickle cell
transient osteoporosis of hip
flare phenomenon
Focal cold bone lesions
mets- myeloma, lymphoma, renal, thyroid, neuroblastoma
primary bone lesions- SBC, ABC, EG
vascular- infarction, AVN, radiation
artifact