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Rare case of endometrioid adenocarcinoma arising from cystic adenomyosis
Author(s) -
Mori Mayuyo,
Furusawa Akiko,
Kino Nao,
Uno Masaya,
Ozaki Yoshikazu,
Yasugi Toshiharu
Publication year - 2015
Publication title -
journal of obstetrics and gynaecology research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.597
H-Index - 50
eISSN - 1447-0756
pISSN - 1341-8076
DOI - 10.1111/jog.12513
Subject(s) - medicine , adenomyosis , radiology , magnetic resonance imaging , hysterectomy , adenomyoma , asymptomatic , adenocarcinoma , lesion , myometrium , uterus , cancer , endometriosis , pathology
Few reports on malignant transformation of adenomyosis are available, and endometrioid adenocarcinoma arising from cystic adenomyosis is further rarely reported. We report a case of a 67‐year‐old asymptomatic woman who was referred to our hospital for evaluation of a cystic lesion in the pelvis, which had been diagnosed as cystic degeneration of leiomyoma for 3 years. Magnetic resonance imaging revealed a cystic mass measuring 11 cm in diameter, which was contiguous with uterine myometrium. The lesion contained solid areas enhanced on gadolinium‐enhanced T 1 ‐weighted imaging. Transabdominal simple total hysterectomy with bilateral salpingo‐oophorectomy was performed. Pathological examination revealed endometrioid adenocarcinoma arising from cystic adenomyosis. The patient underwent six courses of adjuvant combination chemotherapy with paclitaxel and carboplatin. No metastasis or recurrence has been demonstrated for 16 months following surgery. Our case demonstrates that cystic adenomyoma possesses the risk of malignant transformation, indicating the importance of long‐term follow‐up with imaging examination.

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