A large Number of Metastatic Subcutaneous Nodules: A Complication of Percutaneous Biopsy for Atypical Renal Cell Carcinoma.

A 68-year-old man underwent ultrasound-guided needle biopsy of a suspicious renal mass. Just two weeks later, a large number of subcutaneous nodules was found in patient's chest-back, neck and axilla. pathology analysis was found to be metastatic subcutaneous nodules, These features suggest that tumor seeding have occurred during the needle biopsy. Despite needle tract seeding is a rare event, this rare complication should be taken into consideration before contemplating its use in a patient.

Urology journal. 2018 Nov 21 [Epub ahead of print]

Hao Liu, Weiyun Pan, Xiaocao Shen, Nan Zhang

Department of Urology. The Second Affiliated Hospital of Zhejiang University School of Medicine. ., Department of Ultrasonic. Zhejiang Cancer Hospital., Department of Urology. The Second Affiliated Hospital of Zhejiang University School of Medicine.