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 r 87-year-old male with a moderately-differentiated nonkeratinizing squamous cell carcinoma of the colon.
Highlights
Colorectal cancer (CRC) is the third most common neoplasm worldwide [1]
There are other uncommon histological variants such as squamous cell carcinomas (SCC), an extremely rare type of carcinoma, with an incidence of 0.25 to 0.1 per 1,000 CRC . [1,2] We report a case of an 87-yearold male, who presented with abdominal pain, rectal bleeding and weight loss, due to a SCC in the sigmoid colon
The possibility of metastasis from other squamous primary malignant neoplasm must be ruled out; likewise, the presence of a squamous carcinoma of the anal canal with extension to the rectum should be excluded . [13] it should be ruled out the existence of nearby fistulas . [13]
Summary
Primary squamous cell carcinoma of the sigmoid colon: a case report and literature review. Carcinoma primario de células escamosas de colon sigmoides: reporte de un caso y revisión de la literatura. Martín Pascacio Fiori, Jéssica Alférez Andía, María Kapsoli Sánchez, Harold Benites Goñi. Recibido: 14/09/2020 - Aprobado: 01/03/2021 ORCID: Martín Pascacio Fiori: http://orcid.org/0000-0002-6291-1294, Jéssica Alférez Andía: http://orcid.org/0000-0002-1314-1422, María Kapsoli Sánchez: http://orcid.org/0000-0002-9882-3798, Harold Benites Goñi: http://orcid.org/0000-0003-2083-1840
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