Abstract

GUTIERREZ M, Néstor et al. Teratoma Quístico Maduro con Transformación Maligna: A propósito de un caso. Rev. venez. oncol. [online]. 2008, vol.20, n.3, pp.156-160. ISSN 0798-0582.

We report the case of 26 year old female patient who is referred after undergoing right oophorectomy. The pathology of the surgical specimen was reported as “malignant cystic teratoma with adenosquamous epithelial pattern”. Staging laparotomy is performed. The surgical findings were: tumor implants in pelvic peritoneum, mesocolon, omentum. paraortic lymphadenopaties. Left ovary with 6 cm cystic tumor on its surface firmly adhered to the ipsilateral fallopian tube and pelvic wall. Absence of right ovary. Pathology reports “moderately differentiated adenocarcinoma with squamous differentiation infiltrates left ovary, left fallopian tube, right and left parametria, pelvic wall and inframesocolic omentum”. Adjuvant chemotherapy based on paclitaxel carboplatin for 4 cycles. One month after ending adjuvant treatment refers vaginal bleeding. After detailed gynecologic evaluation, an exophytic lesion on the vaginal vault is found. The biopsy reports “moderately differentiated squamous carcinoma”. Combined therapy based on chemotherapeutic agents (doxorubicin, iphosphamide and mesna) and external radiotherapy was scheduled.

Keywords : Teratoma; cystic; malignant transformation; adenosquamous.