spindle cell/pleomorphic lipoma

spindle cell/pleomorphic lipoma

A benign tumour of adipose tissue which is composed of elongated fibroblasts, most common in the neck and shoulders of older males.

DiffDx
Myxoid liposarcomas; spindle cell lipomas differ by the absence of a plexiform vascular pattern and lipoblasts.

Spindle cell lipoma variants
• Conventional
• Multiple
• Myxoid
• Pseudoangiomatous
• Spindle cell predominant
• Spindle cell/pleomorphic
• Vascular