Storiform pattern of fibrous tissue is seen in
**Core Concept**
The storiform pattern of fibrous tissue refers to a specific architectural arrangement of collagen fibers seen under microscopic examination. This pattern is characteristic of a particular type of fibrotic disorder, where collagen fibers are arranged in a storiform or cartwheel-like manner.
**Why the Correct Answer is Right**
The storiform pattern is classically associated with dermatofibrosarcoma protuberans (DFSP), a type of cutaneous soft tissue sarcoma. The storiform arrangement of collagen fibers is thought to result from the proliferation and migration of fibroblasts and collagen-producing cells within the dermis. This pattern is a key diagnostic feature of DFSP, distinguishing it from other fibrotic disorders.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not accurately describe the storiform pattern.
**Option B:** This option is incorrect because it is not associated with the storiform pattern of fibrous tissue.
**Option C:** This option is incorrect because it is not a characteristic feature of this particular condition.
**Clinical Pearl / High-Yield Fact**
Dermatofibrosarcoma protuberans (DFSP) is a rare cutaneous soft tissue sarcoma that often presents as a firm, pink to flesh-colored nodule or plaque on the trunk or extremities. The storiform pattern is a key diagnostic feature, and Mohs surgery is a recommended treatment approach.
**Correct Answer: C. Dermatofibrosarcoma protuberans (DFSP)**