Abstract
IntroductionEctopic ovarian tissue is an unusual entity, especially if it is an isolated finding thought to be of embryological origin.Case presentationAn 11-year-old, morbidly obese female presented with left flank pain, nausea, and irregular menses. Various diagnostic procedures suggested a large ovarian cyst, and surgical resection was performed.ConclusionHistologically, the resected mass was not of tubal origin as suspected, but a serous cystadenoma arising from ovarian tissue. The patient's two normal, eutopic ovaries were completely uninvolved and unaffected. A tumor arising from ectopic ovarian tissue of embryological origin seems the most likely explanation. We suggest refining the descriptive nomenclature so as to more precisely characterize the various presentations of ovarian ectopia.
Highlights
Ectopic ovarian tissue is an unusual entity, especially if it is an isolated finding thought to be of embryological origin.Case presentation: An 11-year-old, morbidly obese female presented with left flank pain, nausea, and irregular menses
We report a case of what is best described as a giant serous cystadenoma arising from an accessory ovary in a morbidly obese 11-year-old girl
An 11-year-old girl presented with two bouts of abdominal and left flank pain during a 5-month period, described as non-radiating and 8 out of 10 in intensity
Summary
Our case represents an accessory ovary according to the Wharton criteria, given its adnexal location and a blood supply continuous with that of the fallopian tube. We believe that the tissue is truly embryologically ectopic, to reference Lachman's nomenclature, because of the absence of previous pelvic or abdominal surgery or disease; significant is the smooth, atraumatic appearance of the eutopic ovaries at laparotomy. To our knowledge, this is the second report of a serous cystadenoma arising from an accessory or supernumerary ovary, and it is among the largest masses reported arising from either
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