abdominal organ calcifications Flashcards

1
Q

how do splenic calcifications form?

A

Ca++ in the spleen is usually granulomatous from TB, histoplasmosis

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2
Q

how do splenic calcifications appear?

A

small, solid and scattered (punctuate)

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3
Q

if cystic splenic calcifications occur, what is their density?

A

curvilinear density

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4
Q

what is responsible for about 2/3 of splenic cysts?

A

echinococcal infestation (hyatid disease)

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5
Q

80% of non-ecchinococcal acquired cysts are?

A

hemorrhage cysts

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6
Q

what are the 3 types of splenic cystic calcifications?

A

echinococcal infestation
hemorrhage cyst
congenital cysts and other rare causes

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7
Q

how do hepatic calcifications appear?

A

small, solid densities scattered throughout the liver, punctuate (stippled)

*rarely cystic or singular

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8
Q

small hepatic calcifications are usually due to?

A

TB or histoplasmosis- granulomatous

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9
Q

rarely, very small sand or poppy seed like densities are found with?

A

metastatic carcinoma

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10
Q

hepatic cystic calcifications are rare, but when present its usually due to?

A
hyatid disease (echinococcus) 
-liver MC site
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11
Q

what is calcified fecal matter in the colon called?

A

fecalith or coprolith

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12
Q

what is the MC coprolith?

A

appendocolith

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13
Q

appendocoliths are what size and located where?

A
  • usually small but can be as big as 4cm

- located in the RLQ, superimposed over the ilium and anterior to the spine in the pelvis

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14
Q

what are appendocoliths associated with in over 1/2 of patients?

A

appendicitis

-may be seen with a lot of gas in acute appendicitis

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15
Q

does the rate of appendix rupture increase of decrease with an appendocolith present?

A

increases

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16
Q

cysts contain some sort of fluid and rarely calcify, but when they do, the wall is a ___________

A

smooth calcific curvilinear rim of density

*if there is internal calcification it is ill defined and less dense than periphery

17
Q

what are the 3 basic shapes of cystic calcifications?

A

rounded
ovoid
flattened

18
Q

what 2 types of cystic calcifications can be benign or malignant?

A

kidney and adrenal gland

19
Q

what are the 2 major types of cysts?

A

congenital and acquired

20
Q

which cyst type is a “true cyst” that is epithelial lined and less common?

A

congenital cyst

21
Q

which cyst type is a “pseudocyst” that is lined by fibrous tissue and more common?

A

acquired cyst

22
Q

is malignancy with abdominal calcifications rare or common?

A

RARE

23
Q

what is the most common malignancy seen with calcification?

A

ovarian serous adenocarcinomas and its metastases

*psammomatous bodies or psammoma

24
Q

what is the most common malignancy with calcification seen in children?

A

neuroblastoma- found around kidney and adrenal gland

25
Q

what is the most common calcification of the female reproductive tract?

A

uterine fibroma/ uterine leiomyoma
females 40-50 yo
non-calcified can occur in 20-30 yo

26
Q

what is a fibroma?

A

fibrotic mass in the uterine wall which often calcifys

27
Q

what is the appearance of uterine fibromas?

A

singular or multiple; mottled, speckled, whorled or irregular calcific densities that are rounded or oval “popcorn ball”

28
Q

where are most uterine fibromas located?

A

within the pelvic inlet above the usual site of the bladder

29
Q

uterine fibromas are usually asymptomatic, but when symptoms are present, what is most common?

A

acyclic bleeding
abdominal pain and infertility
pressure symptoms

30
Q

what is the most common ovarian calcific mass?

A

ovarian cystic teratoma (dermoid cyst)

31
Q

dermoid cysts are usually asymptomatic but may present with?

A

abdominal pain, abnormal bleeding

-teeth with dense enamel and bone are often seen

32
Q

prostatic calcifications occur in what population?

A

males over 40

33
Q

how do prostatic calcifications appear?

A

multiple small, punctuate calcifications; can be solid

34
Q

where are prostatic calcifications found?

A

partially or completely superimposed on the pubis symphysis

35
Q

what is the probable cause of prostatic calcifications?

A

chronic prostatitis or infection

36
Q

are prostatic calcifications usually symptomatic or asymptomatic?

A

usually asymptomatic, occasionally cause inflammation

37
Q

what are foreign bodies?

A

objects that have made their way inside a human, can’t be removed or avoided like artifacts

38
Q

how do tampons appear on x-ray?

A

appear as a well outlined column of air that is vertical

-saturated tampon you may not see