Indeterminate Dendritic Cell Tumor

**Semantic type:** Neoplastic Process

**Definition:** A very rare dendritic cell tumor composed of spindle to ovoid cells with a phenotype that is similar to the Langerhans cells. Patients usually present with cutaneous papules, nodules, and plaques. Systemic symptoms are usually absent. The clinical course is variable.

**Synonyms:** - IDCT - Indeterminate Cell Histiocytosis - Indeterminate Dendritic Cell Histiocytosis - Indeterminate dendritic cell tumor