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Rev. venez. oncol ; 24(4): 314-317, oct.-dic. 2012.
Article in Spanish | LILACS | ID: lil-704393

ABSTRACT

Presentar caso de tumor epitelial raro derivado del peritoneo. Paciente femenina 62 años, quien consulta por aumento de volumen inguinal derecho de 3 meses de evolución. Examen físico: abdomen globoso por panículo adiposo, no se palpa tumor; tumor inguinal derecho de 5 cm x 4 cm. Adenopatía inguinal izquierda de 1,5 cm. Marcadores tumorales: CA 125, alfa feto proteína y CEA normales. Estudios de imágenes reportan tumor pélvico de aproximadamente 10 cm, además de adenopatías inguinales bilaterales, la mayor del lado derecho de 72 mm x 42 mm. PAAF de plastrón inguinal derecho reporta adenocarcinoma metastásico. Es llevada a intervención con diagnóstico de carcinoma de ovario estadio IV. Hallazgos operatorios incluyeron: ascitis, implantes peritoneales, tumor parauterino izquierdo y plastrones ganglionares pélvicos, para aórticos e inguinales. Se realiza cirugía estadiadora de ovario con cito reducción subóptima. El reporte de anatomía patológica concluye: carcinoma seroso papilar primario de peritoneo de origen Mülleriano vs. mesotelioma maligno. La inmunohistoquímica es positiva para citoqueratina 7,CA125, WT1 y p53; negativa para queratina 20, calretinina y TTF1. Se concluye como carcinoma seroso papilar primario de peritoneo estadio IV. Actualmente recibe tratamiento sistémico con respuesta parcial. Entidad indistinguible histológicamente de su contraparte de ovario, excepto por los criterios diagnósticos establecidos para tal fin. Se caracteriza por una afección amplia del peritoneo con ovarios normales. Se deriva del epitelio celómico del peritoneo. El tratamiento es igual al carcinoma de ovario, pero tiene peor pronóstico


We present a rare case of epithelial tumor derived from peritoneum. Is a female patient 62 years old, who consulted us with right inguinal tumor of 3 months of evolution. The physical examination for abdominal adiposity globosely, with not palpable tumor, right inguinal tumor of about 5 cm x 4 cm. Left inguinal adenopathy of about 1.5 cm size. Tumor markers: CA 125, alpha fetoprotein and normal CEA. Imaging studies reported pelvic mass of approximately 10 cm, bilateral inguinal addition, most of the right side of 72 mm x 42 mm. FNA reports plastron right inguinal of metastatic adenocarcinoma. Operating table is carried diagnosed with ovarian carcinoma stage IV (inguinal nodes). The operative findings included: ascites, peritoneal implants, tumor par-uterine left pelvic ganglion ascots, par-aortic and inguinal. Surgery is performed ovarian staging with suboptimal cyto-reduction. The pathology report concludes: Primary papillary serous carcinoma of müllerian origin vs. peritoneal malignant mesotelioma. The Immunohistochemestry is positive for cytokeratin 7, CA125, WT1 and p53; negative for keratin 20, calretinin and TTF1. It is concluded primary serous papillary carcinoma of peritoneum stage IV. Currently she receives systemic treatment with partial response. Entity histological is indistinguishable ovarian counterpart, except for the diagnostic criteria established for this purpose. It is characterized by extensive peritoneal disease with normal ovaries. It is derived from the celomic epithelium of the peritoneum. The treatment is the same as ovarian carcinoma, but has described a worse prognosis


Subject(s)
Female , Middle Aged , Carcinoma, Papillary/diagnosis , Biomarkers, Tumor/therapeutic use , Ovarian Neoplasms/surgery , Ovarian Neoplasms/diagnosis , Peritoneum/pathology , Medical Oncology
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