Related Experiment Video
Updated: Dec 27, 2025
08:52
Modeling Osteosarcoma Using Li-Fraumeni Syndrome Patient-derived Induced Pluripotent Stem Cells
Published on: June 13, 2018
9.2K
A rare intramuscular osteolipoma: A case report
Jae Hwi Han1, Sung Choi1, Kyung-Rak Sohn2
1Department of Orthopedic Surgery, Daegu Fatima Hospital, Daegu, Republic of Korea.
International Journal of Surgery Case Reports
|February 25, 2020
Summary
This study presents a rare case of an intramuscular osteolipoma, a benign soft tissue tumor, in the leg. This unusual bone-independent osteolipoma was successfully diagnosed and surgically removed.
Area of Science:
- Orthopedic Surgery
- Pathology
- Radiology
Background:
- Lipomas are common benign soft-tissue tumors, but osteolipomas, which contain bone, are rare.
- Osteolipomas are typically found within or near bone, making a bone-independent presentation highly unusual.
- This case highlights an exceptionally rare intramuscular osteolipoma without any connection to bone tissue.
Observation:
- A 58-year-old male presented with a painful, enlarging mass in his right lower leg.
- Imaging revealed a calcified mass within the peroneus muscle, distinct from bone.
- Surgical excision was performed for diagnosis and treatment.
Findings:
- Histopathological examination confirmed a benign osteolipoma.
- The tumor was intramuscular and lacked any connection to the skeletal system.
- No recurrence was noted at six months post-surgery.
Implications:
- This case expands the known anatomical locations for osteolipomas.
- Accurate diagnosis requires careful consideration of imaging findings and histopathology.
- While rare, osteolipomas should be considered in the differential diagnosis of soft tissue masses with calcification.
