Treatment for Intramuscular Lipoma Frequently Confused with Sarcoma: A 6-Year Restrospective Study and Literature Review

Table 1

Patients data.

Patient	Sex	Age	Size (cm)	Site of lipoma	Preoperative evaluation	Preoperative symptoms	Frozen biopsy	Follow-up	Recurrence	Limit of motion	Final diagnosis
Pt 1	M	65	9.3 × 4.4	Trapezius m.	CT	Pain and tenderness	Nonmalignancy	6 Y	None	None	Lipoma
Pt 2	M	66	11.5 × 7.3	Gastrocnemius m.	CT	Bulging mass	Nonmalignancy	4 Y	None	None	Lipoma
Pt 3	F	61	10.8 × 8.4	Trapezius m.	CT	Bulging mass	Nonmalignancy	3 Y 6 M	None	None	Lipoma
Pt 4	F	58	5.5 × 3.8	Gluteus maximus m.	CT	Bulging mass	Nonmalignancy	4 Y	None	None	Lipoma
Pt 5	M	45	17.0 × 6.5	Trapezius m.	CT	Bulging mass	Nonmalignancy	4 Y 3 M	None	None	Atypical lipoma
Pt 6	M	59	31.6 × 6.0	Latissimus dorsi m.	CT	Tenderness and bulging mass	Nonmalignancy	4 Y 2 M	None	None	Atypical lipoma
Pt 7	F	46	2.5 × 1.7	Pectoralis major m.	CT	None	Nonmalignancy	4 Y 4 M	None	None	Lipoma
Pt 8	F	51	6.0 × 5.0	Gastrocnemius m.	CT	Palpable mass	Nonmalignancy	3 Y 3 M	None	None	Lipoma
Pt 9	M	51	3.2 × 4.7	Trapezius m.	CT	Tenderness	Nonmalignancy	3 Y 2 M	None	None	Lipoma
Pt 10	M	57	6.7 × 4.0	Rhomboid major m.	MRI	Palpable mass	Nonmalignancy	3 Y	None	None	Lipoma
Pt 11	F	57	4.4 × 2.4	Latissimus dorsi m.	CT	None	Nonmalignancy	3 Y 2 M	None	None	Lipoma
Pt 12	F	32	6.5 × 11.0	Gluteus maximus m.	CT	Bulging mass	Nonmalignancy	3 Y 3 M	None	None	Lipoma
Pt 13	F	69	3.2 × 2.1	Gastrocnemius m.	CT	None	Nonmalignancy	4 Y 9 M	None	None	Lipoma
Pt 14	M	51	1.1 × 2.3	Pectoralis major m.	CT	None	Nonmalignancy	3 Y 8 M	None	None	Lipoma
Pt 15	M	48	7.2 × 3.4	Gastrocnemius m.	MRI	Bulging mass	Nonmalignancy	2 Y 6 M	None	None	Lipoma
Pt 16	F	59	7.2 × 3.0	Latissimus dorsi m.	CT	None	Nonmalignancy	3 Y 4 M	None	None	Lipoma
Pt 17	M	58	1.5 × 2.3	Trapezius m.	CT	Diffuse pain	Nonmalignancy	3 Y	None	None	Lipoma
Pt 18	F	75	3.5 × 1.5	Gluteus maximus m.	CT	None	Nonmalignancy	2 Y 2 M	None	None	Lipoma
Pt 19	F	47	8.7 × 2.6	Deltoid m.	CT	Bulging mass	Nonmalignancy	3 Y 3 M	None	None	Atypical lipoma
Pt 20	F	50	3.5 × 5.0	Rhomboid major m.	CT	Diffuse pain	Nonmalignancy	1 Y 6 M	None	None	Lipoma
Pt 21	F	64	7.8 × 2.2	Platysma m.	CT	Palpable mass	Nonmalignancy	2 Y 4 M	None	None	Lipoma
Pt 22	M	51	8.4 × 2.5	Deltoid m.	CT	Palpable mass	Nonmalignancy	2 Y 2 M	None	None	Lipoma
Pt 23	M	48	4.4 × 3.5	Gluteus maximus m.	CT	None	Nonmalignancy	1 Y	None	None	Lipoma
Pt 24	F	41	5.4 × 2.9	Trapezius m.	CT	Palpable mass	Nonmalignancy	1 Y 8 M	None	None	Lipoma
Pt 25	F	30	1.4 × 1.5	Pectoralis major m.	CT	None	Nonmalignancy	1 Y 6 M	None	None	Lipoma
Pt 26	M	64	1.5 × 7.2	Deltoid m.	CT	None	Nonmalignancy	2 Y	None	None	Lipoma
Pt 27	M	72	11.8 × 4.0	Latissimus dorsi m.	MRI	Bulging mass	Nonmalignancy	1 Y 6 M	None	None	Liposarcoma