Fibroblastic Reticular Cell Sarcoma

**Semantic type:** Neoplastic Process

**Definition:** A very rare dendritic cell sarcoma affecting the lymph nodes, spleen, and soft tissues. Morphologically it is similar to the interdigitating dendritic cell sarcoma or follicular dendritic cell sarcoma. The tumor cells are positive for cytokeratin and CD68.

**Synonyms:** - Fibroblastic Dendritic Cell Tumor - Fibroblastic Reticular Cell Tumor - Fibroblastic Reticular Cell Tumor - Fibroblastic Reticular Cell Tumor - Fibroblastic reticular cell tumor