ArticleWorld journal of clinical cases2025
Diffuse panbronchiolitis in children misdiagnosed as asthma: A case report.
Article in World journal of clinical cases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundDiffuse panbronchiolitis (DPB) is a rare, chronic inflammatory lung disease marked by chronic cough, breathlessness, and preceding sinusitis. Symptoms often persist for years and can be misdiagnosed as asthma, particularly in children. This report describes a DPB case resolved with long-term azithromycin therapy, emphasizing the need for a timely and accurate diagnosis. CASE SUMMARY: A 12-year-old girl, diagnosed with asthma at age five and managed with inhaled corticosteroids and long-acting beta-2 agonists, developed a history of chronic productive cough and chronic sinusitis for a year. On examination, she exhibited wheezing and coarse crackles. Despite receiving treatment for an asthma exacerbation, her symptoms did not improve. A chest X-ray revealed reticulonodular infiltration in both lower lungs, prompting further evaluation with high-resolution computed tomography (HRCT). The HRCT confirmed centrilobular nodule opacities, a 'tree-in-bud' pattern, and non-tapering bronchi, suggesting DPB. Elevated cold hemagglutinin titers at 128 further supported the diagnosis. Her cough and sinusitis resolved within a month after starting azithromycin therapy, chosen for its anti-inflammatory and immunomodulatory effects. Follow-up HRCT scans after 1 year of continuous treatment showed complete normalization.
conclusionThis case highlights the importance of early diagnosis and prompt treatment in achieving favorable outcomes for DPB.
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