The tumor is rare, affecting adults in the 4th decade most commonly. Patients are usually younger than those who present with a lipoma. There is a slight male predominance.<unk>  are most commonly identified in the subcutaneous and muscle tissue of the head and neck region (shoulders, neck, scapular), followed by thigh, back, chest, abdomen, and arms. In rare cases<unk>  may arise in bone tissue, however it is an incidental finding.
Hibernoma
Lipoma
Glucagonoma
Sebaceous adenoma
Insulinoma
Gastrinoma
Granular cell tumor
Angiolipoma