[Abdominal inflammatory pseudotumor (plasma cell granuloma) with anemia and hypergammaglobulinemia].

Intraabdominal pseudotumor of the plasma cell granuloma type in a 19-year-old man is reported. The patient presented with fever and weight loss lasting months, and the laboratory findings revealed high sedimentation rate, hypochromic, microcytic anemia, thrombocytosis, elevated alkaline phosphatase, decreased thromboplastin time and polyclonal hypergammaglobulinemia. When the plasma cell granuloma was removed, all laboratory findings returned to normal within 3 months and the patient remained asymptomatic during the two-year follow-up.