Liposarcoma associated with multiple intramuscular lipomas - A case report

A 71-year-old slender, previously healthy man was admitted to the authors' institution because of a huge painless mass in his left scapular area. Phys ical examination revealed a second soft tissue mass in his right scapular r egion and a third soft tissue mass in the anterior side of his right should er. Surgical treatment including marginal resection of the second and third small masses followed by wide local resection of the huge tumor was perfor med. Histologic examination showed that the first mass was a well different iated lipomalike liposarcoma, whereas the second and third lesions were ide ntified as intramuscular lipomas, A review of the literature showed two cas es of retroperitoneal liposarcoma associated with multiple subcutaneous lip omas and two cases of liposarcoma involving an extremity associated with mu ltiple subcutaneous lipomas. There is no previous report in which intramusc ular liposarcoma was associated with multiple intramuscular lipomas.