[Histology and cytology of laparoscopically operated "simple ovarian cysts"]

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Abstract

In a retrospective study the histopathological findings of 127 laparoscopically operated unilocular anechoic smooth-walled ovarian cysts have been correlated with clinical characteristics (age, duration of observation, complaints, hormonal treatment), size by ultrasound, kind and colour of cysts content as well as cytological findings. The age of patients differed from 16-61 years (mean +/- s: 36 +/- 16). The histopathologic findings yielded 15 (11.8%) functional cysts, 30 (23.6%) persistent corpus luteum cysts, 9 (7.1%) endometriomas, 7 (5.5%) cystic teratomas, 9 (7.1%) undifferenciated cysts and 57 (44.9%) cystadenomas. There were no differences between histopathologic diagnosis groups according to age and cysts size by ultrasound. Functional cysts with complaints (n = 6) may explain that the observation time in 60% of all functional cysts was smaller than 6 weeks, whereas persistent corpus luteum cysts, endometriomas, cystic teratoma and cystadenomas had been observed for longer than 6 weeks in more than two thirds. Intraoperative evaluation of cysts content as "chocolate"-like was suspicious of endometriomas, but was also present in cysts of other histopathological findings. By means of cytology, endometrioma (siderophages) was suspected in 44.4% and a cystadenoma in 42.1% of all histopathologically verified cases. In all, the cytologic findings were useful for correct histopathological diagnosis in only 33.9% of all 127 cases. It is concluded that differential diagnosis of simple ovarian cysts is not possible by clinical characteristics, neither by ultrasound nor by cytological evaluation. Ovarian cysts should be observed for at least two hormonal cycles. A hormonal treatment by combination preparations containing high doses of oestrogen is also recommended. In cases of persisting ovarian cysts laparoscopic removal is necessary.
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Subscribe to RSS DOI: 10.1055/s-2007-1022803 Histologie und Zytologie laparoskopisch operierter „simpler Ovarialzysten“ Histology and Cytology of Laparoscopically Operated ‘Simple’ Ovarian CystsPublication History Publication Date: 18 March 2008 (online) Zusammenfassung In einer retrospektiven Studie wurden die histologischen Befunde von 127 laparoskopisch operierten unilokulären echofreien glattwandigen Ovarialzysten in ihrer Beziehung zu klinischen Parametern (Alter, Beobachtungsdauer, Beschwerden, hormonale Behandlung), Sonometrie, Beschaffenheit des Zysteninhaltes und dem zytologischen Untersuchungsbefund verglichen. Das Alter der Patientinnen betrug 16-61 Jahre (X¯ ± s: 36 ± 16). Die histologischen Untersuchungen ergaben 15 (11, 8%) funktionelle Zysten, 30 (23,6%) ältere Corpus-luteum-Zysten, 9 (7,1%) Endometriome, 7 (5,5%) zystische Teratome, 9 (7,1%) undifferenzierte Zysten und 57 (44,9%) Zystadenome. Keine Unterschiede zwischen den Diagnosegruppen fanden sich hinsichtlich Alter und Sonometrie. Funktionelle Zysten mit Beschwerden (n = 6) erklären, daß 60% funktioneller Zysten weniger als 6 Wochen beobachtet wurden, während ältere Corpus-luteum-Zysten, Endometriome, zystische Teratome und Zystadenome in mehr als zwei Drittel der Fälle über wenigstens 6 Wochen beobachtet wurden. Die intraoperative Beurteilung des Zysteninhaltes als „schokoladenartig“ gilt für Endometriome pathognomonisch, fand sich aber auch bei anderen histologischen Korrelaten. Zytologisch wurde eine Endometriose (Siderophagen) in 44,4% und ein Zystadenom in 42,1% derhistologisch gesicherten Fälle vermutet. Insgesamt erlaubte der zytologische Befund jedoch in nur 33,9% aller 127 Fälle Schlußfolgerungen auf die histologische Diagnose. Es wird geschlußfolgert, daß eine sichere Differentialdiagnose von „Ovarialzysten“ aufgrund klinischer, sonographischer und zytologischer Befunde nicht möglich ist. Alle „Ovarialzysten“ sollten nach Beobachtung über mindestens zwei Zyklen und eventueller Hormonbehandlung mit einem hochdosierten Estrogen-Kombinationspräparat laparoskopisch entfernt werden. Abstract In a retrospective study the histopathological findings of 127 laparoscopically operated unilocular anechoic smooth-walled ovarian cysts have been correlated with clinical characteristics (age, duration of observation, complaints, hormonal treatment), size by ultrasound, kind and colour of cysts content as well as cytological findings. The age of patients differed from 16-61 years (X¯ ± s: 36 ± 16). The histopathologic findings yielded 15 (11.8%) functional cysts, 30 (23,6%) persistent corpus luteum cysts, 9 (7,1%) endometriomas, 7 (5.5%) cystic teratomas, 9 (7.1%) undifferenciated cysts and 57 (44,9%) cystadenomas. There were no differences between histopathologic diagnosis groups according to age and cysts size by ultrasound. Functional cysts with complaints (n = 6) may explain that the observation time in 60% of all functional cysts was smaller than 6 weeks, whereas persistent corpus luteum cysts, endometriomas, cystic teratoma and cystadenomas had been observed for longer than 6 weeks in more than two thirds. Intraoperative evaluation of cysts content as “chocolate”-like was suspicious of endometriomas, but was also present in cysts of other histopathological fmdings. By means of cytology, endometrioma (siderophages) was suspected in 44.4% and a cystadenoma in 42.1% of all histopathologically verified cases. In all, the cytologic fmdings were useful for correct histopathological diagnosis in only 33.9% of all 127 cases. It is concluded that differential diagnosis of simple ovarian cysts is not possible by clinical characteristics, neither by ultrasound nor by cytological evaluation. Ovarian cysts should be observed for at least two hormonal cycles. A hormonal treatment by combination preparations containing high doses of oestrogen is also recommended. In cases of persisting ovarian cysts laparoscopic removal is necessary.

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endometriosisendometrioma

MeSH descriptors

Laparoscopy Ovarian Cysts Ovarian Neoplasms Adolescent Adult Cystadenoma Cystadenoma Cystadenoma Diagnosis, Differential Endometriosis Endometriosis Endometriosis Female Humans Middle Aged Ovarian Cysts Ovarian Cysts Ovarian Neoplasms Ovarian Neoplasms Ovary

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