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Parosteal (periosteal) lipoma.
I Krajewska1, B Vernon-Roberts, G Sorby-Adams
1Division of Tissue Pathology, Institute of Medical and Veterinary Science, Adelaide.
Pathology
|April 1, 1988
Summary
Parosteal lipoma, a rare bone tumor, can affect the humerus and cause adjacent bone changes. This case highlights the rarity and potential complications of this benign tumor.
Area of Science:
- Orthopedic Oncology
- Skeletal Radiology
- Tumor Pathology
Background:
- Parosteal lipoma (PL) is an uncommon benign tumor, representing 0.3% of all lipomas.
- These tumors arise from the outer surface of bone, often involving long bones.
Observation:
- A rare case of parosteal lipoma in the mid humerus of a 22-year-old female is presented.
- The tumor was associated with notable changes in the adjacent humeral bone.
Findings:
- Literature review identified only one prior reported instance of a similar presentation.
- The discussion covers etiology, clinical presentation, complications, differential diagnosis, management, and prognosis of parosteal lipomas.
Implications:
- This case underscores the rarity of parosteal lipomas, particularly in the mid humerus.
- Understanding associated bone changes is crucial for accurate diagnosis and management of parosteal lipomas.