Hyalinizying clear cell carcinoma is a rare tumor which affects women more than men and is more common in minor salivary glands. The purpose of this paper was to describe a case of hyalinizing clear cell carcinoma of buccal vestibule in a 55-year-old woman. It is important to differentiate this neoplasm from other tumors with clear cell features because of their differences in treatment and cli...

renal masses can be categorized as benign and malignant lesions. among the renal malignancies, renal cell carcinoma is the most common malignancy. however, other rare malignant lesions should be considered in differential diagnosis. primary renal lymphoma is quite rare and might be mistaken for renal cell carcinoma. due to lack of lymphatic tissue in the kidney, pathogenesis of renal lymphoma i...

Renal cell carcinoma (RCC) is an aggressive malignancy which can metastasize to the bone. Long bones or the small bones of the limbs could be rarely the destinations for metastatic RCCs. We report two cases of metastatic RCC to the humerus bone with the initial presentation of pathological fracture. The pathologists must be aware of metastatic RCC to the arm and consider it in the differential ...

Renal transplantation increases the probability of malignant tumors by about 2-4-fold overall with a much higher rate for renal epithelial malignancy. Renal tumors in renal transplant recipients are commonly conventional clear cell or papillary renal cell carcinoma. Clear cell papillary renal cell carcinoma is a recently described unique renal epithelial neoplasm with scant eosinophilic or mode...