Abstract
Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) is a rare pulmonary condition characterized by diffuse proliferation of neuroendocrine cells in the epithelium of the bronchial wall. DIPNECH may be easily missed in daily clinical practice and diagnosis is often delayed, which may impair prognosis since this condition is considered a pre-invasive lesion for lung carcinoid tumours. We report a clinical case of DIPNECH in order to discuss the diagnostic and therapeutic approach for this entity, the management of which is not yet well established in the literature.LEARNING POINTSDIPNECH is a poorly understood lung condition characterized histologically by diffuse proliferation of pulmonary neuroendocrine cells in the bronchial wall, clinically by obstructive respiratory symptoms and radiologically by small airway disease features and pulmonary nodules.DIPNECH is considered to be a preneoplastic lesion within the spectrum of pulmonary neuroendocrine tumours.Treatment is usually guided by the symptoms and prognosis is highly variable.
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