Familial Hemophagocytic Lymphohistiocytosis Type 2

**Semantic type:** Disease or Syndrome

**Definition:** Familial hemophagocytic lymphohistiocytosis caused by biallelic mutations in the PRF1 gene.

**Synonyms:** - FHL2 - PRF1-FHLH - PRF1-Related Familial Hemophagocytic Lymphohistiocytosis - PRF1-fHLH