Radiology - Oncology Flashcards
why is bone scan not done in multiple myeloma?
photopaenic, won’t show up
multiple myeloma see what in investigations?
Urine: Bence Jones proteins
Blood: paraproteins
skeletal, skull: x-rays: multiple lytic lesions
why is technicium-99 used in bone scans?
shows osteoblastic activity
when something in spine is increased density what do you call it?
diffuse sclerosis
what cancers cause sclerotic lesions
prostate
breast
lymphoma
TB
Paget’s
vertebral body hemangioma
What kind of lung opacities are there?
Ground Glass opacity
interstitial opacity
alveolar opacity
Ground Glass opacity usual cause?
PCP
pulmonary haemorrhage
bronchovascular nodules indicates?
sarcoid
AML on chest x-ray see increased densities, could be what?
opportunistic infections due to immuno suppression/chemo
candidiasis
2 likely pathological causes of pneumoperitonism
peptic ulcer disease
diverticulitis
cancer
Multiple myeloma how to image?
skeletal survey, X-rays of the whole body