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1.
Diagnostics (Basel) ; 13(20)2023 Oct 11.
Artigo em Inglês | MEDLINE | ID: mdl-37891997

RESUMO

Myxoid endometriosis, a rare entity, is part of the histological changes that can occur in endometriosis. Pathologists must know the histological guidelines for the morphological recognition of this entity, as well as the histochemical and immunohistochemical techniques that support diagnosis, and define the morphological characteristics of myxoid endometriosis. In the present work, we propose diagnostic guidelines and primary differential diagnoses using special histochemical techniques and immunohistochemical reactions to recognize this entity.

2.
Ginecol. obstet. Méx ; 88(6): 402-406, ene. 2020. tab, graf
Artigo em Espanhol | LILACS-Express | LILACS | ID: biblio-1346206

RESUMO

Resumen: ANTECEDENTES: El melanoma vaginal es una alteración excepcional, por lo que el diagnóstico se establece en etapas avanzadas de la enfermedad. El pronóstico a corto plazo es malo y no existen factores de riesgo identificados hasta la fecha. CASO CLINICO: Paciente de 77 años, acudió a consulta por sangrado transvaginal fétido, de dos meses de evolución. Durante la colposcopia se observó una tumoración en la cara lateral izquierda de la vagina, que se extendía hasta su tercio inferior; la cara anterior estaba hiperpigmentada y friable. De acuerdo con el reporte de citología y la biopsia se estableció el diagnóstico de melanoma invasor. La concentración de marcadores tumorales fue positiva para HMB-45, Ki-67 (20%), MART-1 (Melan-1) y PS-100. La paciente fue enviada al servicio de Oncología para estadificación y tratamiento de la enfermedad. CONCLUSIONES: La identificación de una tumoración hiperpigmentada en la exploración ginecológica, además de la biopsia dirigida complementada con estudio de inmunohistoquímica, es sugerente de melanoma vaginal. Las pacientes con este tipo de lesión deben atenderse por un equipo médico multidisciplinario.


Abstract: BACKGROUND: Vaginal melanoma is an exceptional alteration, for which the diagnosis is established in advanced stages of the disease. The short-term prognosis is poor and there are no identified risk factors to date. CLINICAL CASE: 77-year-old patient, who came to the clinic for fetid transvaginal bleeding, two months old. During colposcopy, a tumor was observed on the left lateral aspect of the vagina, which extended to its lower third; the anterior face was hyperpigmented and friable. Based on the cytology report and biopsy, the diagnosis of invasive melanoma was established. The concentration of tumor markers was positive for HMB-45, Ki 67 (20%), MART-1 (Melan-1) and PS-100. The patient was sent to the Oncology service for staging and treatment of the disease. CONCLUSIONS: The identification of a hyperpigmented tumor on gynecological examination, in addition to a directed biopsy, complemented by an immunohistochemical study, is suggestive of vaginal melanoma. Patients with this type of injury should be cared for by a multidisciplinary medical team.

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