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[Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia: a rare preneoplastic condition]
L Lebras1, D Arpin, S Collardeau-Frachon
1Service de Pneumologie, Hôpital de la Croix Rousse, CHU de Lyon, France.
Revue Des Maladies Respiratoires
|December 25, 2008
Summary
Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) is a rare preneoplastic condition linked to carcinoid tumors. Management involves surveillance, with surgical resection for associated carcinoid tumors.
Area of Science:
- Pulmonary Medicine
- Oncology
- Pathology
Background:
- Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) is an uncommon preneoplastic condition.
- It is often associated with typical carcinoid tumors, presenting diagnostic and therapeutic challenges due to its rarity.
Observation:
- Two female patients with chronic pulmonary symptoms were evaluated.
- Computed tomography revealed pulmonary nodules in both patients.
- Histological examination of biopsies showed neuroendocrine cell proliferation, tumorlets, and a typical carcinoid tumor in one patient.
Findings:
- Histopathology confirmed diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) with associated findings.
- The study highlights the co-occurrence of DIPNECH and typical carcinoid tumors.
Implications:
- Treatment decisions for DIPNECH are challenging due to limited data.
- Long-term surveillance (clinical, endoscopic, radiologic) is a potential management strategy.
- Surgical resection remains the standard treatment for coexisting or developing carcinoid tumors.
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