Difference between revisions of "Pulmonary carcinoid tumourlet"

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*Neuroendocrine cells - usually in nests (classic pattern).
*Neuroendocrine cells - usually in nests (classic pattern).
**Salt and pepper chromatin - '''key feature'''.
**Salt and pepper chromatin - '''key feature'''.
*Nuclei round or ellipsoid.
*Size criterion: <5 mm.<ref name=pct_ucsf>URL: [http://pathhsw5m54.ucsf.edu/case7/image75.html http://pathhsw5m54.ucsf.edu/case7/image75.html]. Accessed on: 23 January 2012.</ref><ref name=pmid23205296>{{Cite journal  | last1 = He | first1 = P. | last2 = Gu | first2 = X. | last3 = Wu | first3 = Q. | last4 = Lin | first4 = Y. | last5 = Gu | first5 = Y. | last6 = He | first6 = J. | title = Pulmonary carcinoid tumorlet without underlying lung disease: analysis of its relationship to fibrosis. | journal = J Thorac Dis | volume = 4 | issue = 6 | pages = 655-8 | month = Dec | year = 2012 | doi = 10.3978/j.issn.2072-1439.2012.06.11 | PMID = 23205296 }}</ref>
*Size criterion: <5 mm.<ref name=pct_ucsf>URL: [http://pathhsw5m54.ucsf.edu/case7/image75.html http://pathhsw5m54.ucsf.edu/case7/image75.html]. Accessed on: 23 January 2012.</ref><ref name=pmid23205296>{{Cite journal  | last1 = He | first1 = P. | last2 = Gu | first2 = X. | last3 = Wu | first3 = Q. | last4 = Lin | first4 = Y. | last5 = Gu | first5 = Y. | last6 = He | first6 = J. | title = Pulmonary carcinoid tumorlet without underlying lung disease: analysis of its relationship to fibrosis. | journal = J Thorac Dis | volume = 4 | issue = 6 | pages = 655-8 | month = Dec | year = 2012 | doi = 10.3978/j.issn.2072-1439.2012.06.11 | PMID = 23205296 }}</ref>
*Must be through the bronchial basement membrane.<ref name=pmid20729444>{{Cite journal  | last1 = Koo | first1 = CW. | last2 = Baliff | first2 = JP. | last3 = Torigian | first3 = DA. | last4 = Litzky | first4 = LA. | last5 = Gefter | first5 = WB. | last6 = Akers | first6 = SR. | title = Spectrum of pulmonary neuroendocrine cell proliferation: diffuse idiopathic pulmonary neuroendocrine cell hyperplasia, tumorlet, and carcinoids. | journal = AJR Am J Roentgenol | volume = 195 | issue = 3 | pages = 661-8 | month = Sep | year = 2010 | doi = 10.2214/AJR.09.3811 | PMID = 20729444 }}</ref>
*Must be through the bronchial basement membrane.<ref name=pmid20729444>{{Cite journal  | last1 = Koo | first1 = CW. | last2 = Baliff | first2 = JP. | last3 = Torigian | first3 = DA. | last4 = Litzky | first4 = LA. | last5 = Gefter | first5 = WB. | last6 = Akers | first6 = SR. | title = Spectrum of pulmonary neuroendocrine cell proliferation: diffuse idiopathic pulmonary neuroendocrine cell hyperplasia, tumorlet, and carcinoids. | journal = AJR Am J Roentgenol | volume = 195 | issue = 3 | pages = 661-8 | month = Sep | year = 2010 | doi = 10.2214/AJR.09.3811 | PMID = 20729444 }}</ref>
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