Magro, "Giant intramuscular lipoma of the tongue: a case report and literature review," Cases Journal, vol.
Klaustermeyer, "Intramuscular lipoma of the tongue masquerading as angioedema," Ear, Nose, & Throat Journal, vol.
Zhang et al, (15) in their study of 405 extremity-based lipomatous lesions, which included lipomas, intramuscular lipomas
, and ALT/WDLs, evaluated cases diagnosed historically by histomorphology and then assessed their molecular status (MDM2 and CPM amplification status).
 According to Fugemann, the benign lipomatous tumors of this region can be further subclassified as solitary or multiple classic lipomas; infiltrating or intramuscular lipomas
; hibernomas; lipoblastomas (socalled fetal lipomas); and diffuse lipomas in children.
Based on microscopical features they are classified into classic lipoma, fibro lipoma, angiolipoma, spindle cell lipoma, and pleomorphic, myxoid, sialolipoma, and intramuscular lipomas
After correlating with the radiologic features, the diagnosis of intramuscular lipoma was made.
Intramuscular lipoma is a subtype of lipoma occurring in a deep location, typically in the large muscles of an extremity, such as the thigh and shoulder.
The differential diagnosis of intramuscular lipoma in this location, both radiologically and histologically, includes a hemangioma infiltrating skeletal muscle.
The treatment of intramuscular lipoma, in any location, is complete surgical excision.
Imaging characteristics of deep-seated lipomatous tumors: intramuscular lipoma, intermuscular lipoma, and lipoma-like liposarcoma.
Intramuscular lipoma of the pectoralis major muscle.
Intramuscular lipomas arising specifically from the pectoralis muscle are exceedingly rare.