[Inflammatory pseudotumor of the lymph nodes. A case report]

Inflammatory pseudotumor of the lymph nodes is a little-known condition characterized mainly by cervical lymph node enlargement, hematological manifestations, and major constitutional symptoms in most patients. The diagnosis is histological, after surgical removal of an involved lymph node. Histologically, stromal proliferation and neovascularity are present, as well as lymphocytic infiltration. This disease is considered benign because of its tendency toward spontaneous resolution, even though symptoms are usually intense. A male patient presented cervical lymph node enlargement, constitutional syndrome, and hematological manifestations, including oscillating thrombocytopenia, leukopenia, and increased ESR. The diagnosis was inflammatory pseudotumor of the lymph nodes, a rare disease. The evolution is torpid but the prognosis is good. This disease should be considered in the differential diagnosis of tumors of the neck region.