Related Experiment Video
Updated: May 11, 2026

Monitoring Functionality and Morphology of Vasculature Recruited by Factors Secreted by Fast-growing Tumor-generating Cells
Published on: November 23, 2014
The Enigmatic Mass Over the Clavicle: A Case Report Unveiling a Rapidly Growing Spindle Cell Lipoma
Ron Jako Domingo1, Daniel Hahn1, Andrew Hauptman1
1Surgery, Touro College of Osteopathic Medicine, New York, USA.
None:
Spindle cell lipoma (SCL) is a rare, benign, adipocytic tumor typically located in the subcutaneous tissues of the neck, shoulder, and upper back regions. A 64-year-old female patient presented with a small, soft mass over her left clavicle. Her medical history included well-controlled hypertension and hyperlipidemia, and she had previously undergone an appendectomy and excision of a soft tissue cyst. On follow-up approximately one year later, the mass had demonstrated significant and rapid growth. Surgical excision of the mass revealed a 7.0x6.0x5.0 cm yellow-colored tumor, confirmed as an SCL on histopathological examination. Although benign, this case highlights the potential for rapid growth in SCLs, warranting their inclusion in the differential diagnosis when evaluating masses in the shoulder and neck region.
More Related Videos
Related Concept Videos
Cancer
Tumor Progression
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Adaptive Mechanisms in Cancer Cells
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Growth of Cartilage and Bone Tissue
Abnormal Proliferation

