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[Iron-deficiency anemia. Hematologist's viewpoint]
Insights
Pediatric iron deficiency anemia presents with specific symptoms like enlarged spleen and fever. Referral to a hematologist is crucial for ineffective therapies, relapses, or complex cases, ensuring accurate diagnosis and treatment.
Area of Science:
- Pediatric Hematology
- Nutritional Deficiencies
Context:
- Iron deficiency anemia is a common pediatric condition.
- Specific clinical manifestations include enlarged spleen, fever, increased infection susceptibility, and thrombocytosis.
- Referrals to hematologists are indicated for complex or refractory cases.
Purpose:
- To outline specific scenarios requiring hematologist consultation for pediatric iron deficiency anemia.
- To differentiate iron deficiency from other hypochromic anemias like hemoglobinopathies.
- To guide the investigation of challenging cases, including those with concurrent deficiencies or underlying conditions.
Summary:
- Enlarged spleen, fever, and thrombocytosis are key indicators of iron deficiency in children.
- Hematologist referral is necessary when initial iron therapy fails, anemia relapses, or complex anemias (e.g., with vitamin deficiencies or hemoglobinopathies) are suspected.
- Adolescent iron deficiency (chlorosis) often stems from increased needs and dietary factors, while other cases may require thorough investigation for gastrointestinal or hemostatic issues.
Impact:
- Improved diagnostic accuracy for pediatric iron deficiency anemia.
- Optimized treatment strategies for complex and refractory cases.
- Enhanced understanding of differential diagnoses in pediatric hypochromic anemias.
Abstract:
Enlarged spleen, fever, increased susceptibility to infections, and thrombocytosis, are manifestations of iron deficiency which are relatively specific of pediatric patients. Iron deficiency anemia is part of everyday pediatrics. Patients are referred to the hematologist in the following situations: 1) Therapy is ineffective for one of the following reasons: the hypochromic anemia is not caused by iron deficiency (hemoglobinopathies); iron is less efficiently used because of transferrin deficiency or infectious, inflammatory or cancerous disease; iron therapy is inadequate either because of insufficient dosage or of suboptimal duration. 2) A relapse occurs in spite of adequate therapy. Before investigating the digestive tract, abnormal hemostasis. Osler-Weber-Rendu syndrome and pulmonary hemosiderosis should be considered. 3) Iron deficiency anemia is less common in adolescents. This condition, known as chlorosis, results mainly from increased needs, unbalanced diet, and onset of menses. In some cases no explanation is found but iron therapy leads to recovery. 4) Difficult problems arise in patients with complex anemias: iron deficiency with folic acid or vitamin B12 deficiency; hyposideremia complicating one of the hemoglobinopathies.