SECOND BIMONTHY EXAM 2021 Flashcards
Pancreatic pseudocysts
a) Very high risk for malignancy
b) Fluid density unilocular cysts associated with findings of acute or chronic pancreatitis
c) Serial imaging usually shows enlargement
d) Septations and lobulated contours are common
b) Fluid density unilocular cysts associated with findings of acute or chronic pancreatitis
Feature of malignant intracranial hemorrhage
a) Peripheral evolution of blood products
b) Complete hemosiderin rim
c) Absence of hemosiderin deposits
d) Irregular, complex evolution of blood products
d) Irregular, complex evolution of blood products
Feature of benign intracranial hemorrhage
a) Irregular, complex evolution of blood products
b) Severe acute enhancment patterns
c) Moderate surrounding edema
d) Complete hemosiderin rim
d) Complete hemosiderin rim
Morphologic changes in chronic pancreatitis, EXCEPT:
a) Increased visible pancreatic tissue due to hyperplasia
b) Fascial thickening and chronic inflammatory changes in the surrounding tissue
c) Calcifications in the pancreatic parenchyma
d) Dilation of the pancreatic duct, usually in a beaded pattern of alternating dilations and constrictions
a) Increased visible pancreatic tissue due to hyperplasia
Imaging findings in acute pancreatitis, EXCEPT:
a) Changes in density due to edema
b) Focal or diffuse parenchymal enlargement
c) Atrophy of the pancreas
d) Indistinct of the margins due to inflammation
c) Atrophy of the pancreas
The most common benign primary neoplasm of the spleen
a) Adenocarcinoma
b) Hemangioma
c) Fibroadenoma
d) Lymphoma
b) Hemangioma
Main duct Intraductal Papillary Mucinous neoplasm
a) 15% developing cancer in 5 years
b) Causes progressive hypertrophy of pancreatic parenchyma
c) Intercommunicate through dilated branch ducts
d) Have marked dilatation due to continuing mucin production
d) Have marked dilatation due to continuing mucin production
Most common cause of acute pancreatitis
a) Alcohol abuse
b) Malnutrition
c) Gallstone passage/impaction
d) Malignancy
c) Gallstone passage/impaction
Arteriovenous malformation
a) None of the above
b) Abnormal tangle of arteries directly connected to veins with an intervening capillary network.
c) 80-90% - supratentorial
d) Appear as a jumble of enlarged vessels with massive mass effect
c) 80-90% - supratentorial
Venous malformation
a) Thick-walled sinusoidal vein
b) Congenitally anomalous lymphatics that drain abnormal brain
c) None of the above
d) Enlarged enhancing stellate venous complex extending to the ventricular or cortical surface
d) Enlarged enhancing stellate venous complex extending to the ventricular or cortical surface
Sign of pancreatic tumor resectability
a) Regional nodes may be involved
b) Limited pancreatic extension of the tumor is present
c) Solitary hepatic metastasis
d) No encasement of the celiac axis or SMA
d) No encasement of the celiac axis or SMA
Role of imaging in pancreatitis, EXCEPT:
a) Determine prognosis
b) Required in its diagnosis
c) Assess severity
d) Detect complications
b) Required in its diagnosis
True statement regarding chronic pancreatitis:
a) The most common cause is steroid intake
b) Caused by prolonged and recurrent bouts of pancreatitis
c) Findings of parenchymal hypertrophy and resolving fibrosis
d) Endocrine and exocrine functions of the pancreas are always preserved
b) Caused by prolonged and recurrent bouts of pancreatitis
True statement regarding pancreatic imaging, EXCEPT:
a) Contrast enhanced MDCT- most comprehensive assessment
b) Imaging findings may be normal in mild cases
c) Fluoroscopy is often utilized for real-time guidance in pancreatic biopsy
d) Ultrasound is used for follow-up of specific abnormalities such as fluid collections
c) Fluoroscopy is often utilized for real-time guidance in pancreatic biopsy
Mucinous cystic neoplasm of the pancreas
a) Surgical removal is recommended
b) Usually in men
c) Peripheral eggshell calcification is a common and non-specific finding
d) Most commonly seen on the head of the pancreas
a) Surgical removal is recommended
True statements regarding the spleen, EXCEPT:
a) Occupies the right upper quadrant of the abdomen posteromedial to the stomach
b) Sequesters aged red and white blood cells and platelets
c) Reservoir for red blood cells
d) The largest lymphoid organ
a) Occupies the right upper quadrant of the abdomen posteromedial to the stomach
LUQ
Autoimmune pancreatitis
a) Directly associated with pulmonary adenocarcinoma
b) Periductal infiltration by neutrophils result in mass-like enlargement of the pancreas
c) Mass-like enlargement of the pancreas due to presence of an adenocarcinoma
d) Responsive to oral steroids
d) Responsive to oral steroids
True statement regarding amyloid angiopathy
a) Affects elderly individuals
b) Amyloid deposits in the serosa of large size and small cortical leptomeningeal arteries.
c) Considered when a young frequently amnesic patient presents with new or recurrent superficial
hemorrhages.
d) Associated with systemic vascular amyloidosis
a) Affects elderly individuals
Late cerebritis
a) Irregular peripheral enhancement
b) Well defined, smooth and thin, rim of enhancement
c) Mild mass effect
d) Multiloculation is common
a) Irregular peripheral enhancement
Signs of pancreatic tumor potential resectability, EXCEPT:
a) Limited pancreatic extension of the tumor is present
b) Absence of involvement of the celiac axis or SMA
c) Solitary hepatic metastasis
d) Regional nodes may be involved
c) Solitary hepatic metastasis
Most hypertensive hemorrhage are in this location
a) Pons
b) Putamen
c) Cerebellum
d) Thalamus
b) Putamen
Most common cause of chronic pancreatitis
a) Malignancy
b) Gallstone passage/impaction
c) Malnutrition
d) Alcohol abuse
d) Alcohol abuse
The most common malignant tumor involving the spleen
a) Hemangioma
b) Lymphoma
c) Fibroadenoma
d) Adenocarcinoma
b) Lymphoma
Arciform pattern of splenic MRI contrast enhancement is seen in the:
a) Delayed phase
b) Portal phase
c) Arterial phase
d) Venous phase
c) Arterial phase
True statements regarding cavernous malformation, EXCEPT:
a) CT and angiography are usually abnormal
b) May be asymptomatic
c) may present with seizures or small parenchymal hemorrhages
d) Thick-walled sinusoidal vessels
a) CT and angiography are usually abnormal
?? OR D ???
Serous cystadenomas of the pancreas
a) Central stellate scar that may calcify is highly diagnostic
b) Most common is a macro-cystic form with larger cysts
c) Lesions communicate with the pancreatic duct
d) Innumerable tiny cysts making the lesion appear cystic
a) Central stellate scar that may calcify is highly diagnostic
Signs of pancreatic tumor unresectability, EXCEPT:
a) Lung metastasis
b) Occlusion of the SMA or Portal vein without technical option for reconstruction
c) Regional nodes may be involved
d) Encasement of the celiac axis and SMA
c) Regional nodes may be involved
True statement regarding the pancreas
a) Lies within the posterior pararenal compartment of the retroperitoneum
b) Pancreatic duct normally measures 3 mm in the head and tapers towards the tail
c) Smaller in young patients and progressively decreases with age
d) Bean-shaped
b) Pancreatic duct normally measures 3 mm in the head and tapers towards the tail
True statements regarding pancreatic abscess formation, EXCEPT:
a) Must be considered in any patient with a cystic pancreatic lesion and fever
b) Image guided aspiration confirms the diagnosis
c) Presence of gas bubbles within the cystic mass is a weak evidence for abscess
d) Most have indistinct wall
c) Presence of gas bubbles within the cystic mass is a weak evidence for abscess
Telangiectasia
a) Generally small, solitary lesions found incidentally on MRI
b) Enlarged enhancing stellate venous complex extending to the ventricular or cortical surface
c) Thin-walled sinusoidal vessels (neither arteries nor veins)
d) Most common type of brain vascular malformation
a) Generally small, solitary lesions found incidentally on MRI
Tuberculous meningitis most commonly affects neonates and infants
a) False
b) True
a) False
Cavernous malformation is the most common type of brain vascular malformation
a) False
b) True
a) False
In Early cerebritis, irregular peripheral contrast enhancement is noted
a) True
b) False
b) False
Late subacute hemorrhage MR signal characteristic is bright/hyperintense in both T1 and T2 weighted images
a) True
b) False
b) False
Parenchymal hemorrhage shows higher initial mortality than infarcts, but on recovery show fewer deficits
a) False
b) True
b) True
S. pneumonia is the most common cause of bacterial meningitis in older adults
a) True
b) False
a) True
Toxoplasmosis reveals atrophy, dilated ventricles, and dystrophic calcifications
a) True
b) False
a) True
Subarachnoid hemorrhage due to a ruptured berry aneurysm is most commonly seen in the basilar artery
a) False
b) True
a) False
Tuberculous meningitis shows less thickened meninges when compared to bacterial meningitis
a) False
b) True
a) False
Cytomegalovirus reveal dystrophic calcifications in the deep gray nuclei and cortex
a) False
b) True
a) False
Herpes Simplex shows involvement of the basal ganglia, thalami and posterior fossa structures
a) True
b) False
b) False
Annular pancreas is the most common congenital anomaly of the pancreas
a) False
b) True
b) True
Contrast enhanced cranial CT-scan is the test of choice for emergency evaluation of suspected
hemorrhage
a) True
b) False
b) False
MRI is better than CT for detection and characterization of subacute or chronic hemorrhage
a) True
b) False
a) True
Subarachnoid hemorrhage is difficult to detect when patient’s hematocrit is low
a) False
b) True
b) True
Subacute hemorrhage is associated with “worst headache of your life”
a) False
b) True
a) False
SUBARACHNOID
CT-scan findings may be normal in the acute setting of bacterial meningitis
a) False
b) True
b) True
Most tuberculomas in children are supratentorial, involving the frontal or parietal lobes
a) True
b) False
b) False
Rubella shows periventricular pattern of injury and dystrophic calcifications
a) True
b) False
b) False
CMV
H. influenza is the most common cause of bacterial meningitis in neonates
a) True
b) False
b) False
