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RADIOLOGY > 2ND BM RECALLS > Flashcards

2ND BM RECALLS Flashcards

1
Q

True statement regarding the pancreas

a. Bean-shaped
b. Lies within the posterior compartment of the retroperitoneum
c. Smaller in young patients and progressively decreases with age
d. Pancreatic duct normally measures 3mm in the head and tapers towards the tail

A

d. Pancreatic duct normally measures 3mm in the head and tapers towards the tail

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2
Q

Role of imaging in pancreatitis, EXCEPT:
a. Assess severity
b. Determine prognosis
c. Detect complications
d. Required in its diagnosis

A

d. Required in its diagnosis

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3
Q

Most common cause of chronic pancreatitis

a. Gallstone passage/impaction
b. Malignancy
c. Alcohol abuse
d. Malnutrition

A

c. Alcohol abuse

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4
Q

Most common cause of acute pancreatitis

a. Gallstone passage/impaction
b. Malignancy
c. Alcohol abuse
d. Malnutrition

A

a. Gallstone passage/impaction

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5
Q

True statement regarding pancreatic imaging, EXCEPT:

a. Imaging findings may be normal in mild cases
b. Contrast enhanced MDCT-most comprehensive assessment
c. Ultrasound is used for follow-up of specific abnormalities such as fluid collections
d. Fluoroscopy is often utilized for real-time guidance in pancreatic biopsy

A

d. Fluoroscopy is often utilized for real-time guidance in pancreatic biopsy

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6
Q

Imaging findings in acute pancreatitis, EXCEPT:

a. Indistinct margins due to inflammation
b. Focal or diffuse parenchymal enlargement
c. Changes in density due to edema
d. Atrophy of the pancreas

A

d. Atrophy of the pancreas

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7
Q

True statement regarding chronic pancreatitis

a. Caused by prolonged and recurrent bouts of pancreatitis
b. Endocrine and exocrine functions of the pancreas are always preserved
c. Findings of parenchymal hypertrophy and resolving fibrosis
d. The most common cause is steroid intake

A

a. Caused by prolonged and recurrent bouts of pancreatitis

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8
Q

Morphologic changes in chronic pancreatitis, EXCEPT:

a. Dilation of the pancreatic duct, usually in a beaded pattern of alternating dilations and constrictions
b. Calcifications in the pancreatic parenchyma
c. Increased visible pancreatic tissue due to hyperplasia
d. Fascial thickening and chronic inflammatory changes in the surrounding tissue

A

c. Increased visible pancreatic tissue due to hyperplasia

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9
Q

Autoimmune pancreatitis

a. Responsive to oral steroids
b. Periductal infiltration by neutrophils result in mass-like enlargement of the pancreas
c. Directly associated with pulmonary adenocarcinoma
d. Mass-like enlargement of the pancreas due to presence of an adenocarcinoma

A

a. Responsive to oral steroids

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10
Q

Sign of pancreatic tumor resectability

a. Solitary hepatic metastasis
b. Regional nodes may be involved
c. No encasement of the celiac axis or SMA
d. Limited pancreatic extension of the tumor is present

A

c. No encasement of the celiac axis or SMA

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11
Q

Signs of pancreatic tumor potential resectability, EXCEPT:

a. Solitary hepatic metastasis
b. Regional nodes may be involved
c. Absence of involvement of the celiac axis or SMA
d. Limited pancreatic extension of the tumor is present

A

a. Solitary hepatic metastasis

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12
Q

Signs of pancreatic tumor unresectability, EXCEPT:

a. Lung metastasis
b. Occlusion of the SMA or portal vein without technical option for reconstruction
c. Encasement of the celiac axis and SMA
d. Regional nodes may be involved

A

d. Regional nodes may be involved

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13
Q

Pancreatic pseudocysts

a. Fluid density unilocular cysts associated with findings of acute or chronic pancreatitis
b. Septations and lobulated contours are common
c. Very high risk for malignancy
d. Serial imaging usually shows enlargement

A

a. Fluid density unilocular cysts associated with findings of acute or chronic pancreatitis

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14
Q

TRue statements regarding pancreatic abscess formation, EXCEPT:

a. Presence of gas bubbles within the cystic mass is a weak evidence for abscess
b. Must be considered in any patient with a cystic pancreatic lesion and fever
c. Image guided aspiration confirms the diagnosis
d. Most have indistinct wall

A

a. Presence of gas bubbles within the cystic mass is a weak evidence for abscess

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15
Q

Serous cystadenomas of the pancreas

a. Most common is a macro-cystic form with larger cysts
b. Lesions communicate with the pancreatic duct
c. Innumerable tiny cysts making the lesion appear cystic
d. Central stellate scar that may calcify in highly diagnostic

A

d. Central stellate scar that may calcify in highly diagnostic

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16
Q

Mucinous cystic neoplasm of the pancreas

a. Most commonly seen on the head of the pancreas
b. Usually in men
c. Surgical removal is recommended
d. Peripheral eggshell calcification is a common and non-specific finding

A

c. Surgical removal is recommended

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17
Q

Main duct intraductal papillary mucinous neoplasm

a. 15% developing cancer in 5 years
b. Have marked dilatation due to continuing mucin production
c. Causes progressive hypertrophy of pancreatic parenchyma
d. Intercommunicate through dilated branch ducts

A

b. Have marked dilatation due to continuing mucin production

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18
Q

True statement regarding the spleen, EXCEPT:

a. The largest lymphoid organ
b. Reservoir for red blood cells
c. Occupies the right upper quadrant of the abdomen posteromedial to the stomach
d. Sequesters aged red and white blood cells and platelets

A

c. Occupies the right upper quadrant of the abdomen posteromedial to the stomach

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19
Q

Arciform pattern of splenic MRI contrast enhancement is seen in the

a. Arterial phase
b. Venous phase
c. Portal phase
d. Delayed phase

A

a. Arterial phase

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20
Q

The most common benign primary neoplasm of the spleen

a. Hemangioma
b. Lymphoma
c. Fibroadenoma
d. Adenocarcinoma

A

a. Hemangioma

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21
Q

The most common malignant tumor involving the spleen:
a. Hemangioma
b. Lymphoma
c. Fibroadenoma
d. Adenocarcinoma

A

b. Lymphoma

22
Q

True statement regarding gastric carcinoma, EXCEPT:

a. Third most common GI malignancy
b. Most (95%) are gastrointestinal tumor
c. Predisposing factors: smoking, pernicious anemia, atrophic gastritis and gastrojejunostomy
d. Peak age is from 50 to 70 years old

A

b. Most (95%) are gastrointestinal tumor

23
Q

Gastric Adenocarcinoma (Carcinoma?)

a. Focal often irregular wall thickening
b. Extensive adenopathy, specially if below the renal hila
c. Long term silent growth to a large size is characteristic
d. None of the above

A

a. Focal often irregular wall thickening

24
Q

Gastric lymphoma

a. Focal often irregular wall thickening
b. Extensive adenopathy, specially if below the renal hila
c. Long term silent growth to a large size is characteristic
d. None of the above

A

b. Extensive adenopathy, specially if below the renal hila

25
Q

GIST

a. Focal often irregular wall thickening
b. Extensive adenopathy, specially if below the renal hila
c. Long term silent growth to a large size is characteristic
d. None of the above

A

c. Long term silent growth to a large size is characteristic

26
Q

True statement regarding gastritis

a. Thickened folds and superficial mucosal ulcerations
b. Malignant
c. Chemotherapy is the treatment of choice
d. Usually results to gastric outlet obstruction

A

a. Thickened folds and superficial mucosal ulcerations
?

27
Q

Sign of benignancy of gastric ulcer

a. An ulcer eccentrically located within the tumor mound
b. A shadow ulcer with a width greater than its depth
c. An ulcer within the lumen of the stomach
d. An edematous ulcer collar with overhanging mucosal edge

A

d. An edematous ulcer collar with overhanging mucosal edge

28
Q

Sign of malignancy of gastric ulcer

a. Radiating folds extending into the crater
b. Depth of ulcer greater than width
c. An ulcer projecting beyond the expected lumen
d. An ulcer eccentrically located within the tumor mound

A

d. An ulcer eccentrically located within the tumor mound

29
Q

Most duodenal tumors are benign in this location

a. Duodenal bulb
b. Second portion
c. Third portion
d. Fourth portion

A

a. Duodenal bulb

30
Q

Most duodenal tumors are malignant in this location

a. Duodenal bulb
b. Second portion
c. Third portion
d. Fourth portion

A

d. Fourth portion

31
Q

TRUE OR FALSE

Annular pancreas is the most common congenital anomaly of the pancreas

A

TRUE

32
Q

TRUE OR FALSE

Contrast enhanced cranial CT scan is the test of choice for emergency evaluation of suspected hemorrhage

A

FALSE

33
Q

TRUE OR FALSE

CT scan is better than MRI for detection and characterization of subacute or chronic hemorrhage

A

FALSE

34
Q

TRUE OR FALSE

Subdural hemorrhage is associated with ‘worst headache of your life’ symptoms

A

FALSE
subarachnoid

35
Q

TRUE OR FALSE

Subarachnoid hemorrhage due to a ruptured berry aneurysm is most commonly seen in the **basilar artery **

A

FALSE

A.comm

36
Q

TRUE OR FALSE

Acute hemorrhage ____ ____ characteristic is bright/hyperintense in both T1 and T2 weighted images

A

FALSE iso/dark

37
Q

TRUE OR FALSE

Subarachnoid hemorrhage is difficult to detect when patient’s hematocrit is low

A

TRUE

38
Q

TRUE OR FALSE

A
39
Q

TRUE OR FALSE

Telangiectasia is the most common type of brain vascular malformation

A

FALSE
(arteriovenous malformation)

40
Q

TRUE OR FALSE

Toxoplasmosis reveals atrophy, dilated ventricles, and dystrophic calcifications

A

TRUE

41
Q

TRUE OR FALSE

Rubella ____ periventricular pattern of injury and dystrophic calcifications

A

FALSE–CMV

42
Q

TRUE OR FALSE

Cytomegalovirus reveal dystrophic calcifications in the deep gray nuclei and cortex

A

FALSE–RUBELLA

43
Q

TRUE OR FALSE

Herpes Simplex shows involvement of the basal ganglia, thalami and posterior fossa structures

A

FALSE
Sparing

44
Q

TRUE OR FALSE

H. influenza is the most common cause of bacterial meningitis in neonates

A

FALSE
Group B streptococci and E. coli

45
Q

TRUE OR FALSE

S. pneumoniae is the most common cause of bacterial meningitis in older adults

A

TRUE

46
Q

TRUE OR FALSE

CT scan findings may be normal in the acute setting of bacterial meningitis

A

TRUE

47
Q

TRUE OR FALSE

Tuberculous meningitis shows less thickened meninges when compared to bacterial meningitis

A

FALSE

more thick

48
Q

TRUE OR FALSE

Tuberculous meningitis most commonly affects neonates and infants

A

FALSE–children and elderly

49
Q

TRUE OR FALSE

Most tuberculoma in children are supratentorial, involving the frontal or parietal lobes

A

FALSE
adult

50
Q

TRUE OR FALSE

In early cerebritis, irregular peripheral contrast enhancement is noted

A

FALSE

late

51
Q

IDENTIFY

A

Epidural Hematoma

52
Q

IDENTIFY

A

Chronic Subdural Hematoma

RADIOLOGY (2 decks)

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