Leukemoid reaction in sarcomatoid renal cell carcinoma: a two-case report

Leukemoid reaction in sarcomatoid renal cell carcinoma: a two-case report

Leukemoid reaction is defined as reactive leukocytosis exceeding 40 × 10⁹/l, with a significant increase in early neutrophil precursors, and can be a paraneoplastic manifestation of various malignant tumors. Leukemoid reaction is a sign for poor prognosis in solid tumors so is sarcomatoid renal cell carcinoma (SRCC) when compared to more differentiated histologies. Here, we are reporting two ca...

Sarcomatoid Transrormation of Chromophobe Renal Cell Carcinoma

Extreme leukocytosis and leukemoid reaction associated with the lung sarcomatoid carcinoma: an unusual case report

PURPOSE To report a rare case of extreme leukocytosis and leukemoid reaction associated with lung sarcomatoid carcinoma (LSC) and increase people's awareness of the disease. PATIENTS AND METHODS A 58-year-old male patient was diagnosed with LSC; however, after the end of the second course of chemotherapy, his white blood cells increased gradually without fever or use of medications such as gr...

Metastatic Renal cell Carcinoma Presenting as a clear-cell Tumor in Tongue: A Case Report

Introduction: Metastatic lesions of the oral cavity are extremely rare, accounting for approximately 1% of all malignant oral tumors. The most common primary sources of metastatic tumors in the oral region are, from the most to the least common, the breast, lung, kidney, bone, and colon. Renal cell carcinoma accounts for nearly 3% of all adult malignancies. It usually metastasizes to the lungs,...

Sarcomatoid Chromophobe Renal Cell Carcinoma with Heterologous Component

Clear cellrenal cell carcinoma (RCC) is the most common malignant renal tumor in adults, while chromophobe RCC (CRCC) is the third most common. Any subtypes of RCC can undergo sarcomatoid differentiation, but heterologous differentiation in sarcomatoid area is very rare in RCC. Here a61-year male is presented with hematuria and palpable mass. Clinicoradiologically, RCC was considered and left r...