Omental cysts cause of the greater omentum cyst is caused by what the cause

omental cyst is caused by what the?

(a) causes

retinal cysts cause is unknown, but most of the cysts due to congenital lymphatic abnormalities or due to ectopic growth.

1. lymphatic certain obstruction of lymphatic obstruction, expand, and the formation of cysts.

2. embryonic cells left behind by the variation of cyst or ectopic embryonic tissue cells developed from embryonic tissue.

3. damage bleeding from the hematoma machine made, may be foreign body or surgical injury.

4. pseudocyst, inflammation, mostly inflammation, fat necrosis.

(B) the pathogenesis

omental cyst in the omentum between the front and rear layers, divided into true cysts and pseudocysts Class 2.

1. pathologic cyst contents serous, chylous or bloody fluid, the cyst wall structure due to the nature of the differences, true cyst wall by connective tissue and elastic fibers, lined with squamous epithelium or simple columnar endothelial cells , may have lymphocyte and leukocyte infiltration, capsule filled with yellow transparent lymph, accompanied by bleeding, infections, cystic fluid was bloody, grass green, orange or brown, wall hypertrophy, hyperemia, edema, endometrial many disappear, pseudocyst wall increased from connective tissue and elastic fibers, but no epithelial or endothelial lining cells, the contents of more turbid or bloody fluid containing the majority of the patients or their abdominal wall and peritoneal adhesions.

2. pathologic types include: ① single multilocular cyst; ② multiple cysts; ③ co-exist with the mesenteric cyst, solitary majority of cysts of varying sizes, as small as a grain of rice, and the larger head like children, even occupies the entire abdominal cavity.