Tumor-to-Tumor Metastasis: Renal Cell Carcinoma Metastasizing to a Lipoma of the Thigh: A Case Report.
Kelsey MartinChristopher Rivera-PintadoKatherine CernigliaKudret UsmaniGord ZhuTae Won B KimPublished in: JBJS case connector (2022)
Tumor-to-tumor metastasis is a rare occurrence, with RCC typically being the most common "recipient" tumor. This is the first case to the best of our knowledge of RCC metastasizing to a lipoma, highlighting a rare phenomena in a patient with metastatic disease.