Abstract
Multiple symmetric lipomatosis (MSL) is a benign nontumorigenic disease characterized by multiple and symmetrical unencapsulated adipose tissue deposits on the neck, shoulders, and upper extremities. It is comparatively common in the Mediterranean region, but is very rare in Japan. We report a case of MSL in a 63-year-old Japanese male who was referred to our hospital because of bilateral swelling of the upper cervical region. The swelling gradually increased for 4 years until he was unable to fasten his shirt. For cosmetic reasons, adipose tissues from the submental to submandibular regions were excised using the neck dissection technique. Subcutaneous fat lying superficial to the platysma muscle was also reduced using scissors. Six months later, the patient showed good cosmetic results, with no recurrence of cervical lipomatosis on magnetic resonance imaging scans.