Oncology Flashcards
What are the presentations of aspergillosis in the lung?
Aspergilloma
Invasive aspergillosis
ABPA
What is the pathological finding for sarcoid?
Non-caseating granulomas
What are some contradiction for oral contrast?
High asperation risk
Perforation if barium
What are the top 3 differentiates for the causes of pneumoperitonium?
Peptide ulcer disease
Diverticulitis
Cancer
Which isotope is used in bone scans and how does it make?
Technetium-99 taken up by osteoblasts
What are some DDx for a sclerotic vertebral body?
Mets
Lymphoma
Osteomyelitis
Paget’s
TB
Haemangioma
What are some contraindications for IV contrast?
Renal failure
Allergy
Hepatic failure
IV access
How is sarcoid diagnosed?
Transbronchial biopsy
(ACE level)
What are the risk of mediastinal biopsy?
Pneumothorax
Penetrated aorta
Which primarys can cause sclerotic metastases?
Breast
Prostate
GI or stomach
What are the patterns of opacity that can be seen in the lungs?
Airspace opacity
Interstitial opacity
Ground glass opacity
Nodules
What are some DDx for lytic bone lesions in the skull?
Myeloma
Metastases
What is the classical radiological findings of sarcoid? What are some DDx for the same pattern?
Symmetrical hilar opacity
Lymphoma
What is ground glass opacity? What causes it?
Faint opacity that doesn’t obsure the vasculature on HRCT
Classically caused by PCP
What imagining should be performed if multiple myeloma is suspected?
Bone survey:
Bilateral femoral/pelvis
CXR
Spine
Skull
