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KaBoom > Peritoneum, Chest and Invasive Procedures - Part 3 > Flashcards

Peritoneum, Chest and Invasive Procedures - Part 3 Flashcards

1
Q

What is a cause of a lymphocele in the peritoneum?

A

Complication of a renal transplant or vascular, urological, or gynecological surgery

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2
Q

What are the clinical findings of a lymphocele in the peritoneum? (2)

A
  1. Asymptomatic
  2. Abdominal pain or
    discomfort
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3
Q

What is the US appearance of a lymphocele in the peritoneum? (3)

A
  1. Anechoic cystic mass frequently containing septations
  2. Round or oval in shape
  3. Well-defined wall margins
  4. Posterior acoustic
    enhancement
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4
Q

What are 4 differential diagnosis of a lymphocele in the peritoneum?

A
  1. Seroma
  2. Resolving hematoma
  3. Urinoma
  4. Loculated ascites
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5
Q

Where is a lymphocele in the peritoneum usually found?

A

Medial to a

renal transplant

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6
Q

What is a cause of malignant ascites in the peritoneum?

A

Metastasis

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7
Q

What are the clinical findings of malignant ascites in the peritoneum? (2)

A
  1. Abdominal distention

2. Abdominal pain or discomfort

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8
Q

What is the US appearance of malignant ascites in the peritoneum? (4)

A
  1. Anechoic fluid accumulation in the peritoneal cavity
  2. GB wall measuring less than 3mm with adjacent ascites
  3. Internal low-level echoes may
    be demonstrated
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9
Q

What are 2 differential diagnosis of malignant ascites in the peritoneum?

A
  1. Benign ascites

2. Pseudomyxoma peritonei

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10
Q

What are the causes of pseudomyxoma peritonei in the peritoneum? (2)

A
  1. Metastasis
  2. Ruptured mucinous
    cystadenoma
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11
Q

What are the clinical findings of pseudomyxoma peritonei in the peritoneum? (3)

A
  1. Abdominal pain
  2. Abdominal distention
  3. Constipation
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12
Q

What is the US appearance of pseudomyxoma peritonei in the peritoneum? (3)

A
  1. Multiseptated cystic areas in the peritoneal cavity
  2. Internal echoes or echogenic linear strands
  3. Matted bowel loops compressed posteriorly
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13
Q

What are 2 differential diagnosis for pseudomyxoma peritonei in the peritoneum?

A
  1. Loculated ascites

2. Hemoperitoneum

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14
Q

What are causes for a seroma of the peritoneum? (3)

A
  1. Trauma
  2. Surgery
  3. Inflammation
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15
Q

What are clinical findings for a seroma of the peritoneum? (2)

A
  1. Asymptomatic

2. Abdominal pain or discomfort

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16
Q

What is the US appearance for a seroma of the peritoneum? (3)

A
  1. Anechoic mass
  2. Smooth wall margins
  3. May conform to the surrounding structures
17
Q

What are 4 differential diagnosis for a seroma of the peritoneum?

A
  1. Biloma
  2. Urinoma
  3. Lymphocele
  4. Resolving hematoma
18
Q

What are the 2 types of lymphoma?

A
  1. Hodgkin’s

2. Non-Hodgkin’s

19
Q

What is a clinical finding for lymphoma?

A

Superficial abdominal mass

20
Q

What is the US appearance for a lymphoma?

A

Thick, hypo echoic mass that follows the shape of the anterior and lateral abdominal wall

21
Q

What are 2 differential diagnosis for a lymphoma?

A
  1. Lymphadenopathy

2. Bowel

22
Q

What is the typical origin for a mesenteric cyst? (2)

A
  1. Wolffian duct

2. Lymphatic duct

23
Q

What are the clinical findings for a mesenteric cyst? (2)

A
  1. Colicky abdominal pain

2. Intestinal obstruction

24
Q

What is the US appearance for a mesenteric cyst? (3)

A
  1. Cystic structure located in the mesentery
  2. Smooth wall margins
  3. Is not associated with any adjacent structure
25
Q

Where is a mesenteric cyst most commonly located?

A

In the small-bowel mesentery

26
Q

What are 5 differential diagnosis for a mesenteric cyst?

A
  1. Renal cyst
  2. Ascites
  3. Hematoma
  4. Abscess
  5. Neoplasm
27
Q

What is a cause of mesenteric lymphomatous?

A

Lymphoma

28
Q

What type of lymphoma is found more commonly with mesenteric lymphomatous?

A

Non-Hodgkin’s lymphoma

29
Q

What is the US appearance for mesenteric lymphomatous

A

Anechoic mass containing a central echogenic target

30
Q

What kind of US appearance sign is associated with mesenteric lymphomatous?

A

Sandwich sign

31
Q

What are 2 differential diagnosis of mesenteric lymphomatous?

A
  1. Lymphadenopathy 2. Bowel
32
Q

What is the cause of an omental cyst? (2)

A
  1. Congenital failure of the mesentery to fuse

2. Trauma

33
Q

What is a clinical finding of an omental cyst?

A

Asymptomatic

34
Q

What is the US appearance for an omental cyst? (4)

A
  1. Small cystic structure located adjacent to the stomach or lesser sac
  2. Mass will contour to the bowel margins
  3. Smooth wall margins
  4. Honeycomb appearance
35
Q

What are 6 differential diagnosis for an omental cyst?

A
  1. Renal cyst
  2. Pancreatic pseudocyst
  3. Hematoma
  4. Abscess
  5. Ascites
  6. Neoplasm

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