Abstract
Endometrioid adenofibroma is a benign epithelial and stromal tumor with an endometrioid epithelial component. Less than 20% of the surface epithelial tumors of the ovary have endometrioid differentiation. The majority of endometrioid ovarian neoplasms are carcinomas and the benign form is rarely find. Endometrioid adenofibromas are extremely rare, comprise 1% of ovarian epithelial neoplasms. Usually, they are unilateral lesions (83%) and clinical symptoms are non-specific. Ovarian endometriosis (including endometriomas and endometriotic cysts) is by far more common than benign endometrioid neoplasms. Probably it represents endometriomas in which the endometrial stroma is indistinct.
Highlights
Endometrioid adenofibroma is a benign epithelial and stromal tumor with an endometrioid epithelial component
Routine ultrasounds revealed a well-defined tumor of the right ovary, with a diameter of about 4 cm
The surgical specimen consisted of a hysterectomy weighing 74.2 g and 11 × 5.5 × 2.2 cm, and an oophorectomy with 4.3 × 3.5 × 3 cm
Summary
Endometrioid adenofibroma is a benign epithelial and stromal tumor with an endometrioid epithelial component. *Corresponding author: Santiago Ortiz, Department of Pathology, Centro Hospitalar Lisboa Norte - Hospital de Santa Maria, Avenida Professor Egas Moniz, 1649-035, Lisbon, Portugal, Tel: +351-217-805-166, E-mail: santi.orfer@gmail.com Less than 20% of the surface epithelial tumors of the ovary have endometrioid differentiation [1]. The majority of endometrioid ovarian neoplasms are carcinomas and the benign form is rarely find.
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