title: Needle tract seeding following puncture of retroperitoneal liposarcoma.
abstract: 9 case of needle tract seeding following percutaneous puncture of an avascular mass, which proved to be a retroperitoneal liposarcoma, is presented.
mesh_terms: D000328:Adult; D001707:Biopsy, Needle / Q000009:adverse effects; D005260:Female; D006801:Humans; D008080:Liposarcoma / Q000000981:diagnostic imaging / Q000473:pathology*; D009366:Neoplasm Seeding; D012186:Retroperitoneal Neoplasms / Q000473:pathology*; D014057:Tomography, X-Ray Computed