| Disease ID | Source | Name | Description |
| 603552 | OMIM | Hemophagocytic lymphohistiocytosis, familial, 4 (FHL4) | A rare disorder characterized by immune dysregulation with hypercytokinemia, defective function of natural killer cell, and massive infiltration of several organs by activated lymphocytes and macrophages. The clinical features of the disease include fever, hepatosplenomegaly, cytopenia, and less frequently neurological abnormalities ranging from irritability and hypotonia to seizures, cranial nerve deficits and ataxia. The disease is caused by variants affecting the gene represented in this entry. |