Cutaneous Reactive B-Cell Rich Lymphoid Proliferation

**Semantic type:** Disease or Syndrome

**Definition:** A reactive, dense dermal nodular or nodular and diffuse lymphocytic infiltrate that is predominantly composed of B-cells. It may extend to subcutaneous tissue. In some cases, the histological and clinical characteristics can resemble cutaneous B-cell lymphomas.

**Synonyms:** - Reactive B-Cell Rich Lymphoid Proliferation - rB-LP