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Intractable infant diarrhea associated with phenotypic abnormalities and immunodeficiency
D Girault1, O Goulet, F Le Deist
1Hematology and Immunology Unit, Inserm U 132, Paris, France.
The Journal of Pediatrics
|July 1, 1994
Summary
This study describes a rare syndrome in infants characterized by severe diarrhea, distinctive physical features, and combined immunodeficiency. Early identification and management are crucial for these infants with intractable diarrhea.
Area of Science:
- Pediatric Gastroenterology
- Clinical Immunology
- Medical Genetics
Background:
- Infancy-onset intractable diarrhea presents a diagnostic challenge.
- Understanding rare genetic syndromes is key to improving patient outcomes.
Observation:
- Eight infants presented with severe diarrhea within the first six months of life.
- Common features included small for gestational age, facial dysmorphism, hypertelorism, and unique hair abnormalities (trichorrhexis nodosa).
- Patients exhibited defective antibody responses and impaired antigen-specific skin tests despite normal immunoglobulin levels.
Findings:
- Histopathology revealed villous atrophy with crypt necrosis in the jejunum and nonspecific colitis.
- Three patients had monoclonal hyper-immunoglobulinemia A.
- Poor prognosis was observed, with high mortality rates due to sepsis or cirrhosis, and significant long-term feeding challenges.
Implications:
- The described features may represent a distinct syndrome associated with intractable diarrhea of infancy.
- Further research is needed to elucidate the underlying cause and establish specific diagnostic criteria.
- This highlights the importance of recognizing complex presentations involving growth, phenotype, gastrointestinal, and immune dysfunction.