abdominal organ calcifications Flashcards
how do splenic calcifications form?
Ca++ in the spleen is usually granulomatous from TB, histoplasmosis
how do splenic calcifications appear?
small, solid and scattered (punctuate)
if cystic splenic calcifications occur, what is their density?
curvilinear density
what is responsible for about 2/3 of splenic cysts?
echinococcal infestation (hyatid disease)
80% of non-ecchinococcal acquired cysts are?
hemorrhage cysts
what are the 3 types of splenic cystic calcifications?
echinococcal infestation
hemorrhage cyst
congenital cysts and other rare causes
how do hepatic calcifications appear?
small, solid densities scattered throughout the liver, punctuate (stippled)
*rarely cystic or singular
small hepatic calcifications are usually due to?
TB or histoplasmosis- granulomatous
rarely, very small sand or poppy seed like densities are found with?
metastatic carcinoma
hepatic cystic calcifications are rare, but when present its usually due to?
hyatid disease (echinococcus) -liver MC site
what is calcified fecal matter in the colon called?
fecalith or coprolith
what is the MC coprolith?
appendocolith
appendocoliths are what size and located where?
- 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
what are appendocoliths associated with in over 1/2 of patients?
appendicitis
-may be seen with a lot of gas in acute appendicitis
does the rate of appendix rupture increase of decrease with an appendocolith present?
increases