Primary Squamous Cell Carcinoma of the Stomach: A Case Report and Review of the Literature

Primary gastric squamous cell carcinoma (PGSCC), an exceedingly rare disease, accounts for 0.04% - 0.07% of all gastric cancers. First reported in 1895 by RArig et al, less than 100 cases have been reported in the literature, showing a male predominance with a peak incidence in the sixth decade of life. Several theories have been proposed, including squamous differentiation …