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Korean Journal of Urology ; : 666-669, 2015.
Article in English | WPRIM | ID: wpr-47845

ABSTRACT

A 66-year-old man underwent computed tomography-guided needle biopsy of a suspicious renal mass. Two months later he underwent partial nephrectomy. Histology revealed a 30-mm clear cell renal cell carcinoma, up to Fuhrman grade 3. An area of the capsule was interrupted, which corresponded to a hemorrhagic area on the cortical surface. Under microscopy, this area showed a tongue of tumor tissue protruding through the renal capsule. A tumor deposit was found in the perinephric fat. These features suggest that tumor seeding may have occurred during the needle biopsy.


Subject(s)
Aged , Humans , Male , Adipose Tissue/pathology , Biopsy, Needle/adverse effects , Carcinoma, Renal Cell/secondary , Image-Guided Biopsy/adverse effects , Kidney/pathology , Kidney Neoplasms/pathology , Neoplasm Seeding , Soft Tissue Neoplasms/secondary
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