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Spindle cell lipoma: a clinicopathological study with some original observations
Histopathology
|August 1, 1987
Summary
Spindle cell lipoma is a rare adipose tissue tumor, accounting for 1.5% of adipocytic neoplasms. This study details 41 cases, highlighting typical locations and rare presentations.
Area of Science:
- Pathology
- Surgical Oncology
- Dermatopathology
Background:
- Spindle cell lipoma (SCL) is a distinct benign adipocytic neoplasm.
- First described in 1975, SCLs are relatively uncommon.
- They represent approximately 1.5% of all tumors of adipose tissue.
Purpose of the Study:
- To present a series of 41 spindle cell lipoma cases.
- To analyze the clinicopathological features, common and unusual presentations, and recurrence rates.
- To discuss the differential diagnosis of SCL.
Main Methods:
- Systematic review of 2478 adipose tissue tumors diagnosed over 25 years.
- Inclusion of three referred cases of SCL.
- Histopathological analysis and description of features.
Main Results:
- Forty-one cases of SCL were identified (38 from review, 3 referred).
- SCLs occurred predominantly in males aged 40-70, typically on the neck, upper back, or shoulder (75%).
- Unusual sites included limbs (6), face (3), trunk (1), and skeletal muscle (1, with metaplasia). Only one recurrence was noted.
Conclusions:
- Spindle cell lipoma is a rare adipocytic neoplasm with characteristic demographics and common locations.
- Unusual presentations and intramuscular occurrence are documented.
- SCL has a low recurrence rate, and its histological spectrum and differential diagnosis warrant careful consideration.