Soft tissue final Flashcards

1
Q

Mediastinal devisions

A
  1. Anterior (lateral)
  2. posterior (lateral)
  3. superior (lateral and PA)
  4. inferior (lateral)
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2
Q

DDx anterior mediastinum

A
  1. Thymic abnormality
  2. lymphoma
  3. Teratoma
  4. Substernal goiter
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3
Q

DDX middle mediastinum

A
  1. Aneurysm
  2. Bronchogenic carcinoma
  3. Lymphadenopathy
  4. Bronchogenic cyst
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4
Q

DDX Posterior mediastinum

A
  1. Hiatal hernia
  2. Paravertebral mass
  3. Neurogenic tumor
  4. Meningocele
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5
Q

clues for anterior mediastinal issue

A
  1. anterior clear space is not clear

2. larger mediastinal shadow on PA

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6
Q

Facts about concretions

A
  1. stones or liths of the abdomen
  2. MC in veins of pelvic bowl, gallbladder, collecting system of urinary tract
  3. occasionally in appendix
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7
Q

Where do concretions develop?

A

in the lumen of hollow organs or structures

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8
Q

What do concretions look like?

A
  1. round/oval
  2. uniformly opaque, lucent with opaque border, or opaque with a central lucency or laminated
  3. smooth and continuous outer border
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9
Q

Why do concretions form?

A

stasis, precipitation of crystals or blood clot formation

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10
Q

Conduit wall calcification facts?

A
  1. walls of tubular structures
  2. forms parallel tracks on film
  3. MC in arteries
  4. abdominal aorta, common iliac, splenic artery
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11
Q

Cystic pattern of calcification facts?

A
  1. calcification in wall of fluid filled sturcture or mass = curved line
  2. usually not continuous
  3. MC is aneurysm
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12
Q

Mass-like-pattern of calcification

A
  1. usually irregular pattern with discontinuous border
  2. density overall is mottled or amorphous (sometimes whorled)
  3. Uterine fibroid, nephrocalcinosis
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13
Q

Where should the right hemidiaphragm be at for a proper chest film?

A

at 10th posterior rib

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14
Q

ABCS for chest films?

A

ABDOMEN
BONE
CARDIOVASCULAR
SOFT TISSUES

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15
Q

Which hemidiaphragm is higher on a PA chest film?

A

the right but equal is okay

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16
Q

Which hilum is higher on a PA chest film?

A

The left, equal is okay