familial hemophagocytic lymphohistiocytosis

initialism: FHL
https://doi.org/10.1351/goldbook.13144
Progressive and potentially lethal inflammatory disease caused by an inherited deficiency of perforin.
Note: Large numbers of polyclonal CD8+ T cells accumulate in lymphoid tissue and other organs, and this is associated with activated macrophages that phagocytose blood cells, including erythrocytes and leukocytes.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1165 [Terms] [Paper]