Abstract
BackgroundLangerhans cell histiocytosis (LCH) is a heterogeneous disease with diverse clinical manifestations. Abdominal organ involvement is rare. Early diagnosis and active treatment are needed. The purpose of this article is to enable readers to have a better knowledge of LCH and prevent misdiagnosis.Case presentationA 2-month-old boy had diarrhea, hematochezia, and a rash, and was diagnosed as having a cow milk protein allergy (CMPA). He was given an amino acid-based formula, but there was no sign of improvement in his condition.The patient then had a skin biopsy and was diagnosed as having multisystem Langerhans cell histiocytosis (MS-LCH). The general condition of the child deteriorated after the first two doses of chemotherapy, and the child died.ConclusionsMS-LCH is a protracted and progressive condition with poor prognosis. Early diagnosis and treatment are essential for survival. If a child has chronic diarrhea and hematochezia in the presence of a characteristic rash, the pediatrician should consider the possibility of this disease to avoid misdiagnosis.
Highlights
Langerhans cell histiocytosis (LCH) is a heterogeneous disease with diverse clinical manifestations
Diagnosis and treatment are essential for survival
If a child has chronic diarrhea and hematochezia in the presence of a characteristic rash, the pediatrician should consider the possibility of this disease to avoid misdiagnosis
Summary
MS-LCH is a protracted and progressive condition with poor prognosis. Diagnosis and treatment are essential for survival. If a child has chronic diarrhea and hematochezia in the presence of a characteristic rash, the pediatrician should consider the possibility of this disease to avoid misdiagnosis
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