Primary squamous cell carcinoma of the sigmoid colon: a case report and literature review

ABSTRACT

Primary squamous cell carcinoma of the colon is extremely rare. The etiology is poorly understood, and currently, there are different hypotheses about the origin of this malignant neoplasm. Here, we report a case of an 87-year-old male with a moderately-differentiated nonkeratinizing squamous cell carcinoma of the colon.

RESUMEN

El carcinoma primario de células escamosas de colon es extremadamente raro. La etiología es poco conocida, y actualmente existen diferentes hipótesis sobre el origen de esta neoplasia maligna. A continuación, presentamos un caso de un hombre de 87 años con un carcinoma de células escamosas no queratinizante moderadamente diferenciado de colon.