07 August 2026
: Case report 
Clear Cell Carcinoma of the Left Colon: A Case Report
Challenging differential diagnosis, Unusual setting of medical care, Rare disease
Mohamed Ahmed
ABCDEFG 1*, Abubaker K.S. Khalid ABCDF 1, Olive Cummins ADEF 1, Kate Richards BCDEF 2
DOI: 10.12659/AJCR.952922
Am J Case Rep 2026; 27:e952922
Figure 4 Anterior resection of the sigmoid tumor. (A) Section showing normal colonic mucosa with adjacent tumor, with no adenomatous edge; hematoxylin and eosin, original magnification 20×). (B) Papillary areas of tumor with fibrovascular cores (hematoxylin and eosin, original magnification 40×). (C) Tumor cells showing clear cytoplasm with prominent cell borders (hematoxylin and eosin, original magnification 200×). (D) Positive immunohistochemistry staining with AMACR. (E) Positive immunohistochemistry staining with CK7. (F) Positive immunohistochemistry staining with PAX8.