| choledochal cyst | <radiology> Segmental dilatation of common bile duct, F more than > M, 60% under 10 years of age, classic clinical triad in less than 40%, jaundice, RUQ mass, abdominal pain, choledochocele (type 3 cyst): bloops into duodenum, 8% associated with Caroli disease (12 Dec 1998) |
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| phaeomycotic cyst | A subcutaneous cystic granuloma caused by pigmented fungi, usually solitary and located on the extremities. (05 Mar 2000) |
| chyle cyst | A circumscribed dilation of a lymphatic channel of the mesentery, containing chyle. (05 Mar 2000) |
| milk cyst | A retention cyst in the mammary gland resulting from closure of a lactiferous duct. Synonym: milk cyst. (05 Mar 2000) |
| pilar cyst | A common cyst of the skin and subcutis which contains sebum and keratin, and is lined by pale-staining stratified epithelial cells derived from follicular trichilemma. Synonym: trichilemmal cyst. (05 Mar 2000) |
| piliferous cyst | A dermoid cyst containing hair. (05 Mar 2000) |
| pilonidal cyst | A special kind of abscess that occurs in the cleft between the buttocks. Forms frequently in adolescence after long trips that involve sitting. (12 Dec 1998) |
| pineal cyst | A cyst of the pineal gland; rarely of clinical importance. (05 Mar 2000) |
| colloid cyst | A cyst with gelatinous contents. (05 Mar 2000) |
| morgagnian cyst | A small fluid-filled cyst attached by a slender stalk to the fimbriated end of the uterine tube; a vestigial remnant of the embryonic mesonephric duct. Synonym: appendix vesiculosa, Morgagni's hydatid, morgagnian cyst, stalked hydatid, vesicular appendage. (05 Mar 2000) |
| mother cyst | A hydatid cyst from the inner, or germinal, layer, from which secondary cyst's containing scoleces (daughter cyst's) are developed; sometimes tertiary cyst's (granddaughter cyst's) are developed within the daughter cyst's; occurs most frequently in the liver, but may be found in other organs and tissues; symptoms are those of a tumour of the part affected. Synonym: parent cyst. (05 Mar 2000) |
| compound cyst | A cyst containing several compartments formed by membranous septa. Synonym: compound cyst. (05 Mar 2000) |
| mucous cyst | A retention cyst resulting from obstruction in the duct of a mucous gland. Synonym: mucocele. (05 Mar 2000) |
| wolffian cyst | A cyst lying in the broad ligaments of the uterus and arising from any mesonephric structures. (05 Mar 2000) |
| multilocular cyst | A cyst containing several compartments formed by membranous septa. Synonym: compound cyst. (05 Mar 2000) |