There is not cause of<unk> , however some known causes are a rapid increase of pulmonary endocrine cells in the lungs in children under the age of 2. An increase in pulmonary endocrine cells is usually seen in adults with a history of smoking, COPD, or cystic fibrosis. Children under the age of 2 may present with signs of interstitial lung disease and be diagnosed with NEH following severe progression.
Neuroendocrine hyperplasia
Endocrine gland neoplasm
Alpha cell hyperplasia
Ectopic salivary gland tissue
Neuroendocrine tumor
Pancreatic acinar metaplasia
Thyroid dyshormonogenesis
Thyroid hormone resistance