PMC3884942_01
Well-defined, non-tender, slightly mobile, firm subcutaneous swelling on the left side of forehead
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F1
Clinical examination revealed a 5 cm x 4.5 cm non-tender, firm, subcutaneous, slightly mobile swelling on the left side of forehead just above the eyebrow [Figure 1].
Yellowish mass seen after vertical separation of frontalis fibers, alongside supratrochlear nerve is seen
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F2
After incising the skin and subcutaneous tissue, to our surprise, the plane of swelling was intramuscular [Figure 2].
Complete removal of lipoma. Gross examination shows well-defined oval yellowish mass
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F3
Frontalis muscle was dissected to reveal a well-circumscribed yellowish mass, which was excised in toto [Figure 3] and sent for histopathological examination.
Lobules of adipocytes in connective tissue stroma
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F4
The histology showed mature adipocytes in a connective tissue stroma surrounded by the fibrous capsule, without any cellular atypia or mitotic activity [Figure 4].