| cystic hyperplasia of the breast | A benign disease common in women of the third, fourth, and fifth decades characterised by formation, in one or both breasts, of small cysts containing fluid which may appear as blue dome cysts; associated with stromal fibrosis and with variable degrees of intraductal epithelial hyperplasia and sclerosing adenosis. Synonym: cystic hyperplasia of the breast. (05 Mar 2000) |
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| cystic kidney | A general term used to indicate a kidney that contains one or more cysts, including polycystic disease, solitary cyst, multiple simple cysts, and retention cysts (associated with parenchymal scarring). (05 Mar 2000) |
| cystic liver metastases | <radiology> Mucinous ovarian carcinoma, colonic carcinoma, sarcoma, melanoma, lung carcinoma, carcinoid tumour see: liver metastases (12 Dec 1998) |
| cystic lymphangiectasis | A condition characterised by a fairly well circumscribed group of several or numerous, cystlike, dilated vessels or spaces lined with endothelium and filled with lymph. Synonym: cystic lymphangiectasis. (05 Mar 2000) |
| cystic medial necrosis | Loss of elastic and muscle fibres in the aortic media, with accumulation of mucopolysaccharide, sometimes in cystlike spaces between the fibres; a disease of unknown cause, which may be inherited and which predisposes to dissecting aneurysms. Synonym: Erdheim disease, medionecrosis aortae idiopathica cystica, medionecrosis of the aorta, mucoid medial degeneration. (05 Mar 2000) |
| cystic mole | <gynaecology, oncology, tumour> A relatively rare mass or tumour that can form within the uterus at the beginning of a pregnancy. The cause of hydatidiform mole is unknown. Symptoms include vaginal bleeding, uterine growth, nausea and vomiting. Some hydatidiform moles may become malignant (cancerous) where they are referred to as a choriocarcinoma. Incidence: 1 in 1,500 births. (02 Jan 1998) |
| cystic papillomatous craniopharyngioma | <tumour> A form of craniopharyngioma characterised by large cysts within which are fungating, irregular outgrowths of stratified squamous epithelium. (05 Mar 2000) |
| cystic pelvic mass | <radiology> Physiologic ovarian cyst, The Big Three (ectopic, PID, endometriosis), ovarian neoplasm, nongynecologic mass (12 Dec 1998) |
| cystic polyp | A pedunculated cyst. Synonym: hydatid polyp. (05 Mar 2000) |
| cystic sellar mass | <radiology> Arachnoid cyst, cystic craniopharyngioma, dermoid / epidermoid (12 Dec 1998) |
| cystic vein | <anatomy, vein> Veins, usually anterior and posterior, which drain the neck of the gallbladder and cystic duct, along which they pass to enter the right branch of the portal vein; they communicate extensively with surrounding veins of the stomach, duodenum and pancreas. Synonym: vena cystica. (05 Mar 2000) |
| spiral fold of cystic duct | A series of crescentic folds of mucous membrane in the upper part of the cystic duct, arranged in a somewhat spiral manner. Synonym: plica spiralis ductus cystici, Amussat's valve, Heister's valve, spiral valve of cystic duct, valvula spiralis. (05 Mar 2000) |
| spiral valve of cystic duct | A series of crescentic folds of mucous membrane in the upper part of the cystic duct, arranged in a somewhat spiral manner. Synonym: plica spiralis ductus cystici, Amussat's valve, Heister's valve, spiral valve of cystic duct, valvula spiralis. (05 Mar 2000) |
| neoplasms, cystic, mucinous, and serous | Neoplasms containing cyst-like formations or producing mucin or serum. (12 Dec 1998) |
| ovarian cystic disease | <gynaecology> A painful condition associated with the recurrent formation of large ovarian cysts. Distention of the ovarian capsule causes pain and rupture of a larger cyst can, in rare instances, cause internal bleeding. Treatment often includes hormone manipulation (birth control pills). (05 Jan 1998) |