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[Well-differentiated liposarcoma of the spermatic cord with dedifferentiation].

We report a case of well-differentiated liposarcoma with dedifferentiation of spermatic cord in a 73-year-old-man. Treatment was by orchiectomy without retroperitoneal lymph node dissection or adjuvant therapy. The patient has survived 10 months with no evidence of recurrence. Liposarcoma localized to the spermatic cord is rare; less than 70 cases have been previously reported. The literature is reviewed with special emphasis on the clinical significance of the dedifferentiation phenomenon.