Lecture 25: Radiology and Ultrasound of Pancreas and Adrenal Gland Flashcards

1
Q

what is the best modality to evaluate pancreas

A

ultrasound

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2
Q

T or f: can see normal pancreas on rads

A

false

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3
Q

abnormal pancreas displaces duodenum __

A

peripherally

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4
Q

The portal vein crosses _- to the body of the pancreas

A

dorsal

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5
Q

where does the left limb of the spleen sit

A

Triangle between spleen, stomach and colon

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6
Q

what are some indications for pancreatic ultrasound

A
  1. Suspect pancreatitis
  2. Undiagnosed or non-responsive vomiting
    3, mass detect in region
  3. Suspect biliary obstruction
  4. Abdominal pain
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7
Q

t or f: difficult to ultrasound normal pancreas

A

true

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8
Q

t or f: pancreatic ultrasound lack specificity: inflammatory vs neoplasia

A

true

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9
Q

identify 1-5 and what wrong and how do you know

A
  1. Liver
  2. Stomach
  3. Spleen
  4. Pancreas
  5. Colon

Problem with pancreas because only thing between stomach and colon and pushes colon dorsally

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10
Q

ultrasound of pancreas- what circled

A

Pancreatic duct

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11
Q

how does pancreatitis look on ultrasound

A

hypoechoic mass dorsomedial to duodenum, caudal to stomach

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12
Q

What wrong and how do you know

A

pancreatitis- C- shaped duodenum pushed to periphery

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13
Q

ultrasound of pancreas what wrong

A

pancreatitis

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14
Q

which is more likely to have more fluid- pancreatitis or pancreatic neoplasia on ultrasound

A

neoplasia

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15
Q

what are some complications of pancreatitis

A
  1. Pseudo cyst
  2. Abscessation
  3. Bile duct obstruction
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16
Q

Patient dx with pancreatitis what is indicated by 1

A

pseudocyst

17
Q

what are some examples of neoplasias of pancreas

A
  1. Adenocarcinoma
  2. Insulinoma
18
Q

what do you see with adenocarcinoma of pancreas on ultrasound

A
  1. Carcinomatosis
  2. Hepatic metastasis
  3. Fluid
19
Q

what do you see on ultrasound of insulinoma and what is classic BW finding

A

hypoechoic mass
Hypoglycemia

20
Q

Ultrasound of pancreas what wrong

A

metastatic carcinoma- very nodular mesentery

Also fluid

21
Q

patient presents with extreme hypoglycemia- take ultrasound of pancreas and see this what likely dx

A

Insulinoma

22
Q

what are the landmarks for adrenal gland

A
  1. Caudal to adrenal gland- left renal artery
  2. Cranial to adrenal gland- cranial mesenteric artery
23
Q

what are some landmarks for right and real gland

A

between caudal vena cava and aorta

24
Q

the left adrenal gland is bilobed in __

A

Small dogs

25
Q

the left adrenal gland is __in larger dogs

A

elongated ellipse

26
Q

what is the normal width of dog left adrenal gland

A

0.75cm/7.5mm or less

27
Q

what is shape of cat adrenal gland

28
Q

what is normal width of cat adrenal gland

A

0.4cm/4.0mm

29
Q

what circled

A

adrenal gland

30
Q

what are some adrenal gland, liver, and biliary abnormalities seen with pituitary dependent hyperadrenocorticism/ cushings

A
  1. Normal
  2. Bilateral adrenomegaly
  3. Hepatomegaly
  4. Biliary debris
31
Q

what neoplasia are associated with adrenal gland

A
  1. Adenoma, adenocarcinoma (mineralizes)
  2. Pheochromocytoma
32
Q

patient presents with alopecia, pendulous belly- do ultrasound of adrenal gland and see this- based on size what is likely dx

A

Pituitary dependent hyperadrenocorticism

33
Q

what wrong

A

adrenal gland tumor

34
Q

Patient presented with tachycardia, tachypnea ultrasound adrenal gland and see mass invading caudal vena cava. What likely dx

A

Pheochromocytoma