A Research of Soft Tissue Lipoma Genesis Factor With Immunohistochemical Analysis.

Introduction: Lipoma is the most familiar soft-tissue tumor. But the etiology of lipoma remains imprecise. Sex steroid hormones such as estrogen have effects on muscle and adipose tissue development.

Chondroid syringoma of the nasal dorsum.

Chondroid syringoma (CS) is an uncommon cutaneous tumor in the head and neck, with reported incidence rate from 0.01% to 0.1%.