medical notes

Apr 17th, 2015
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OVARIAN MASSES1. PHYSIOLOGICAL CYSTSMost asymptomaticCommonest in young womenOccur during normal ovarian cycleMay occur inOvulation inductionPremature females infantsWomen with trophoblastic disease.a) FollicularLined by granulosa cellsResults fromnon-rupture of a dominant folliclefailure of atresia in a non-dominant follicle.May resolve or enlarge even unto 10cmOccasionally may continue production oestrogensMenstrual disturbancesEndometrial hyperplasiab) LutealLess commonMore likely to present with intraperitoneal bleedingReferred to as cysts if more than 3cm diameter.2. BENIGN GERM CELL TUMOURSAmong commonest tumours (ovarian) in women less than 30yrsOnly 2 - 3% malignant but in under 20s1/3 may be malignantMay contain all the three germ cell layers (ectoderm, mesoderm and endoderm)Differentiation into extraembryonic tissues - ovarian choricarcinoma or endodermal sinus tumourWithout differentiation - dysgerminomaa) Dermoid cyst (mature cystic teratoma)Results from differentiation into embryonic tissuesAccounts for around 40% of all ovarian neoplasmsCommonest in young women, median age 30yrs.Bilateral in about 11% of cases Usually unilocular

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