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Langerhans cell histiocytosis presenting as uncontrolled asthma
Frederic A Rawlins1, James E Hull, Julia A Morgan
1Internal Medicine Residency, Department of Medicine (MCHE-MDX), San Antonio Military Medical Center, 3551 Roger Brooke Drive, Fort Sam Houston, TX 78234-6200, USA.
Case Reports in Medicine
|September 26, 2013
Summary
Langerhans cell histiocytosis (LCH) is a rare disorder in adult smokers, characterized by abnormal Langerhans cell proliferation. This case highlights LCH presenting as asthma symptoms, emphasizing the need for broader differential diagnosis.
Area of Science:
- Pulmonology
- Oncology
- Pathology
Background:
- Langerhans cell histiocytosis (LCH) is an uncommon disorder primarily affecting adult smokers.
- It involves abnormal proliferation of Langerhans cells, a type of antigen-presenting cell.
- Pulmonary LCH can occur in isolation or as part of systemic disease, often presenting with dyspnea and cough.
Purpose of the Study:
- To report a rare case of pulmonary Langerhans cell histiocytosis (LCH) initially presenting with asthma-like symptoms.
- To highlight the diagnostic challenges when LCH mimics common respiratory conditions.
- To underscore the importance of considering LCH in adult smokers with persistent respiratory symptoms unresponsive to asthma treatment.
Main Methods:
- Case report detailing a patient with symptoms of dyspnea and cough.
- Diagnostic evaluation included assessment for airway hyperresponsiveness, typical of asthma.
- Langerhans cell histiocytosis diagnosis was confirmed after failure to respond to conventional asthma therapies and further investigation.
Main Results:
- The patient presented with signs and symptoms consistent with asthma, including confirmed airway hyperresponsiveness.
- Conventional asthma treatments were ineffective.
- The diagnosis of Langerhans cell histiocytosis was established following a comprehensive workup after treatment failure.
Conclusions:
- Pulmonary Langerhans cell histiocytosis can mimic asthma, posing a diagnostic challenge.
- This case emphasizes the importance of considering LCH in the differential diagnosis of adult smokers with persistent respiratory symptoms.
- Prompt recognition and diagnosis are crucial for appropriate management of pulmonary LCH.
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