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Efficacy of Immunohistochemical Staining in Differentiating a Squamous Cell Carcinoma in Poorly Differentiated Rectal Cancer: Two Case Reports
Annals of Coloproctology ; : 150-155, 2016.
Artículo en Inglés | WPRIM | ID: wpr-221579
ABSTRACT
A rectal carcinoma, including primary an adenosquamous and a squamous cell carcinoma (SCC), is a very rare disease, accounting for 0.025% to 0.20% of all large-bowel malignant tumors. Because SCCs have a higher mortality than adenosquamous carcinomas, determining whether the primary rectal cancer exhibits an adenomatous component or a squamous component is important. While differentiating between these 2 components, especially in poorly differentiated rectal cancer, is difficult, specific immunohistochemical stains enable accurate diagnoses. Here, we report the use of immunohistochemical stains to distinguish between the adenomatous and the squamous components in 2 patients with low rectal cancer, a 58-year-old man and a 73-year-old woman, who were initially diagnosed using the histopathologic results for a poorly differentiated carcinoma. These data suggest that using these immunohistochemical stains will help to accurately diagnose the type of rectal cancer, especially for poorly differentiated carcinomas, and will provide important information to determine the proper treatment for the patient.
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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Neoplasias del Recto / Inmunohistoquímica / Carcinoma de Células Escamosas / Mortalidad / Carcinoma Adenoescamoso / Enfermedades Raras / Diagnóstico / Colorantes / Células Epiteliales Tipo de estudio: Estudio diagnóstico / Estudio pronóstico Límite: Anciano / Femenino / Humanos Idioma: Inglés Revista: Annals of Coloproctology Año: 2016 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Neoplasias del Recto / Inmunohistoquímica / Carcinoma de Células Escamosas / Mortalidad / Carcinoma Adenoescamoso / Enfermedades Raras / Diagnóstico / Colorantes / Células Epiteliales Tipo de estudio: Estudio diagnóstico / Estudio pronóstico Límite: Anciano / Femenino / Humanos Idioma: Inglés Revista: Annals of Coloproctology Año: 2016 Tipo del documento: Artículo