Deep subfascial lipoma

**Definition:** Deep subfascial lipomata are benign neoplasms of adipose tissue which arise deep to the deep fascia and have a tendency to infiltrate between and into muscle. They may occur at any body site and may cause diagnostic difficulty. They are well recognised to occur on the forehead beneath the frontalis muscle (frontalis-associated lipoma).

**Inclusions:** - Frontalis-associated lipoma - Infiltrating lipoma of soft tissue - Intramuscular lipoma of soft tissue