Cytodiagnosis of a Cutaneous Clear Cell Malignancy: Metastatic Renal Cell Carcinoma on Chin.

Clear cell type of renal cell carcinoma (RCC) is most common urological malignancy. Several diagnostic challenges arise when it presents as a cutaneous nodule, being an uncommon presentation. Fine needle aspiration cytology (FNAC) of a cutaneous nodule is crucial for distinguishing primary tumours from metastatic tumours because cutaneous metastases represent a terminal stage of illness.