Radiology Review Brain Teaser

This finding is commonly associated with what condition?
CHF
What sign is associated with a posterior lower lobe pneumonia?
The spine sign
What is this medical emergency?
Tension pneumothorax
What additional view would help resolve the issue of fluid versus consolidation
Decubitus view
What lobe(s) is(are) involved with this pneumonia
Right middle and lower lobes
What caused this 2 year old to have sudden onset of wheezing?
Aspiration of foreign body (cashew nut) right main bronchus
What is the modality of choice for imaging ligaments and tendons?
MRI
What is causing this knee pain and stiffness?
Knee effusion
7 year old s/p fall on outstretched hand resulted in what type of fracture?
Buckle or torus fracture of the distal radius
What are diagnostic of child abuse on a plain film of the chest?
Posterior rib fractures
The next film (after normal AP, oblique and lateral) would you would order in a patient with snuff box tenderness?
Scaphoid view
What condition is suspected in children with this injury?
Bucket handle fracture in child abuse
What study would you order in a case of suspected coccygeal fracture?
No radiological study, symptomatic treatment only
What do you see in this image?
Free intraperitoneal air
What is the modality of choice for imaging the female pelvis?
Ultrasound
What is the modality of choice for abnormal liver function tests in a patient with colon cancer?
Contrast enhanced CT scan
What is the likely diagnosis in this 20 year old with ulcerative colitis and severe abdominal pain?
Toxic Megacolon
What do you see in this RUQ ultrasound?
Gallstones
What is the name of this sign in an ICU patient with a rigid distended abdomen?
“Football sign” – large amount of free intraperitoneal air on a supine radiograph of the abdomen
What is causing abdominal distention and tenderness in this nursing home patient?
Sigmoid volvulus
What is causing this recurrent abdominal pain in this elderly patient?
Cecal volvulus
What do you see in this 13 year old who is mentally impaired?
Hydrocephalus
What is the most sensitive test for the diagnosis of brain metastatic disease?
Contrast (Gadolinium) enhanced MRI
What are 2 signs or symptoms that would make you order a CT of the head prior to performing a lumbar puncture?
1.Papilledema 2.Known intracranial mass 3.Focal neurological signs 4.Unconscious patient
What is the imaging modality of choice for suspicion of skull fracture?
CT Scan
This finding is often associated with a skull fracture
Epidural hematoma
Pathonomonic findings of child abuse on CT or MRI of the head
Subdural hematomas of different ages
This person has had a massive right cerebral infarct. The CT scan shows what life threatening complication?
Brain herniation
Aside from fetuses, this general population is the most sensitive to radiation exposure?
Children (especially girls)
The study of choice for the detection of kidney stones is?
Thin cut non-contrast CT scan
The most sensitive and specific test for the diagnosis of acute cholecystitis is?
Hepatobiliary nuclear medicine scan (HIDA/DISIDA)
This is the best way to initially characterize bone lesions
Plain Films
Three contraindications to intravenous contrast administration
1. History of severe atopy 2. Multiple myeloma 3. Metformin therapy (current) 4. Renal failure 5. Previous serious contrast allergy
What may reduce the risk of renal failure following intravenous contrast administration in certain patients?
Hydration (pre and post contrast)
What organ is most susceptible to radiation damage in the fetus after 10w of gestation?
The brain
End Of Game
Time
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