title: Pathologic quiz case: patient with chronic obstructive pulmonary disease. Diffuse pulmonary neuroendocrine hyperplasia with multifocal tumorlets, immunoreactive to synaptophysin, associated with pulmonary emphysema.
authors.affiliation: Department of Pathology, Loyola University Medical Center, Maywood, IL, USA.
authors.forename: M
authors.initials: M
authors.lastname: Dahiya
authors.forename: A N
authors.initials: AN
authors.lastname: Husain
mesh_terms: D000818:Animals; D003937:Diagnosis, Differential; D006801:Humans; D006965:Hyperplasia; D008175:Lung Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D018358:Neuroendocrine Tumors / Q000150:complications / Q000175:diagnosis* / Q000378:metabolism; D009490:Neurosecretory Systems / Q000378:metabolism / Q000473:pathology*; D011656:Pulmonary Emphysema / Q000209:etiology* / Q000378:metabolism / Q000473:pathology; D013902:Radiography, Thoracic; D016708:Synaptophysin / Q000378:metabolism*
chemical_list: D016708:Synaptophysin