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A New Case of Association of Megaloblastic Anemia and Pancytopenia of Infants
Insights
Vitamin B12 deficiency can cause megaloblastic anemia in exclusively breastfed infants. Early diagnosis and treatment are crucial for infant development and recovery.
Area of Science:
- Pediatric Hematology
- Nutritional Deficiencies
- Infant Health
Background:
- Vitamin B12 (cobalamin) deficiency is rare in infants but can occur in exclusively breastfed infants of vegetarian mothers.
- Megaloblastic anemia in infants may manifest as irritability and generalized weakness.
Observation:
- A nine-month-old exclusively breastfed infant presented with irritability, developmental delay, and feeding difficulties.
- Initial blood work revealed pancytopenia, with low Vitamin B12 levels in both the infant and mother.
Findings:
- The infant was diagnosed with Vitamin B12 deficiency leading to megaloblastic anemia.
- Treatment involved addressing the deficiency, resulting in normalized hematological parameters and developmental progress.
Implications:
- Highlights the importance of considering Vitamin B12 deficiency in the differential diagnosis of anemia in exclusively breastfed infants.
- Emphasizes the need for maternal nutritional assessment and timely intervention to prevent severe infant health outcomes.
Background:
Vitamin B12, or cobalamin deficiency, an infrequent clinical entity in pediatric age, is found almost solely in breastfed infants whose mothers are purely vegetarian, non-supplemented or with pernicious anemia. Megaloblastic anemia in infants presents with generalized weakness or irritability.
Methods:
Diagnosis is usually centered on complete blood count, vitamin dosing, and peripheral smear, which may show macrocytes, hypersegmented neutrophils, reticulocytopenia and a raised mean corpuscular volume (MCV ˃ 100 fL). Pancytopenia has also been noted.
Results:
We report an exclusive breastfed nine-month-old female child who presented with irritability, developmental delay, and difficulties in introducing new foods. Her initial blood count revealed pancytopenia. Vitamin B12 levels were found to be reduced. Maternal levels of Vitamin B12 were also found to be borderline low. The child was treated as per protocols, and improvement was evidenced with the return of hematological parameters to the regular and gradual advancement of milestones.
Conclusions:
We aim to underscore the importance of megaloblastic anemia as an important and rare cause of anemia in infancy.
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