| hydatiform mole | <radiology> Trophoblastic proliferation with avascularity of chorionic villi, marked oedema and enlargement of chorionic villi, severe eclampsia prior to 24 weeks, 1st trimester bleeding, abnormal elevation of beta-hCG, passing grapelike vesicles per vagina, uterus large for dates (50%), hyperechoic intrauterine tissue interspersed with numerous punctate hypoechoic areas (hydropic villi), in 25% atypical appearance: large hyperechoic areas (blood clots) and areas of cystic degeneration; resembles incomplete abortion, thick hyperechoic rim around central anechoic zone, bilateral theca lutein cysts (18-37%) see also: gestational trophoblastic disease, hydatiform mole: types (12 Dec 1998) |
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| hydatiform mole: types | <radiology> Complete/classical mole, fertilization of an empty egg; diploid karyotype (paternal XX), no foetal parts; no chorionic membrane, 20% malignant complete mole with coexistent foetus (2%), molar degeneration of an identical twin partial mole, areas of molar change alternating with normal chorionic villi, triploid karyotype (66% XXY; 33% XXX), early onset of preeclampsia, foetal structures present (e.g., placenta), no malignant potential see: hydatiform mole (12 Dec 1998) |
| spider mole | spider angioma |
| invasive mole | chorioadenoma destruens |
| false mole | <gynaecology> An intrauterine polyp. (05 Mar 2000) |
| fleshy mole | A uterine mass occurring after foetal death and consisting of blood clots, foetal membranes, and placenta. Synonym: blood mole, carneous mole. (05 Mar 2000) |