Abstract: | An 11-year-old female presented with clinical features suggestive of malignant histiocytosis: fever, weight loss, subcutaneous nodules, pulmonary infiltrates, adenopathy, and hepatosplenomegaly. On biopsy, lymph node and bone marrow demonstrated necrosis and extensive hemophagocytosis with no definitive evidence of malignancy; the subcutaneous nodules, however, demonstrated large-cell non-Hodgkin lymphoma. This clinicopathologic picture has been reported in adults, but not in children. Although serum G-CSF, M-CSF, and TNF levels were not elevated in this child, it is possible that other cytokines induced either directly or indirectly by the sub-cutaneous lymphoma resulted in hemophagocytosis. Med. Pediatr. Oncol. 29: 167–169, 1997. © 1997 Wiley-Liss, Inc. |