Unusual presentation of renal cell carcinoma: A rare case report

Abstract

Cutaneous and intraoral metastasis from any malignancy is not common. Cutaneous spread is usually noted in 5%–10% of high-grade malignancies, as in carcinoma breast, lung, colon, ovary, and malignant melanoma. Only 4.6% cases of cutaneous spread are from renal cell carcinoma (RCC). Intraoral spread from RCC is much rarer with an incidence of approximately 1% of all malignant oral tumors, noted sometimes in tongue, palate, buccal mucosa, gingiva, and lips. RCC is a highly aggressive tumor which requires early diagnosis for increasing the chance of cure. In our case, a 54-year-old male presented with swelling over upper lip, scalp, and retromolar area, which on histopathology and immunohistochemistry revealed clear cell carcinoma compatible with metastatic RCC.

Keywords

Cutaneous - hypernephroma - immunohistochemistry - intraoral - scalp

Publication History

Received: 09 October 2017

Accepted: 02 January 2018

Article published online:
19 February 2020

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