Patient S., 16 years old, was admitted to hospital with complaints of weakness, dizziness, increased body temperature, painful swallowing. From his history it is known that he has inhaled benzene vapor for three months with narcotic purposes. On examination he was found to have pale skin, numerous pinpoint and spot hemorrhages, necrotic ulcers of the faucial and oral mucosa. The liver and spleen are not enlarged. Blood test: hemoglobin – 60 g/l; erythrocytes – 2.0 x 1012/l; reticulocytes – 0.1%; RI – 0; Ht – 18.4 l/l; thrombocytes – 30 x 109 /l; leukocytes – 2.5 x 109 /l; ESR – 44 mm/h. Leukocyte formula (%): basophils – 0, eosinophils – 2, neutrophils: metamyelocytes – 0, bands – 1, segmented neutrophils – 25, lymphocytes – 69, monocytes – 3. In the blood smear: anisocytosis, poikilocytosis, MCV, MCH, MCHC are within the norm. Bone marrow puncture does not show any signs of hemoblastosis. Serum iron content – 40 mCmol/l; bilirubin – 10 mCmol/l.
