A Slowly Growing Ulcerated Nodule on the Scalp—Diagnosis
Abstract
Diagnosis: Metastatic renal cell carcinoma. Microscopic findings, laboratory findings, and clinical course Histopathologic examination demonstrated an intradermal tumor nodule composed of groups of clear cells with abundant clear cytoplasm and oval nucleus in a glandular configuration. The stroma was highly vascular, with many extravasated red blood cells. The findings were consistent with metastatic renal cell carcinoma. Subsequent computed tomography of the abdomen revealed a huge...