Difference between revisions of "Pulmonary carcinoid tumourlet"
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*Neuroendocrine cell proliferation.<ref name=pmid8109497>{{Cite journal | last1 = Bennett | first1 = GL. | last2 = Chew | first2 = FS. | title = Pulmonary carcinoid tumorlets. | journal = AJR Am J Roentgenol | volume = 162 | issue = 3 | pages = 568 | month = Mar | year = 1994 | doi = | PMID = 8109497 | URL = http://www.ajronline.org/content/162/3/568.full.pdf }}</ref> | *Neuroendocrine cell proliferation.<ref name=pmid8109497>{{Cite journal | last1 = Bennett | first1 = GL. | last2 = Chew | first2 = FS. | title = Pulmonary carcinoid tumorlets. | journal = AJR Am J Roentgenol | volume = 162 | issue = 3 | pages = 568 | month = Mar | year = 1994 | doi = | PMID = 8109497 | URL = http://www.ajronline.org/content/162/3/568.full.pdf }}</ref> | ||
**Essentially a small [[typical carcinoid lung tumour|typical carcinoid]]. | **Essentially a small [[typical carcinoid lung tumour|typical carcinoid]]. | ||
*Arise from Kulchitsky cells of the bronchial epithelium.<ref name=pmid9064089>{{Cite journal | last1 = Ramón Capilla | first1 = M. | last2 = Arnau Obrer | first2 = A. | last3 = Navarro Ibáñez | first3 = R. | last4 = Galbis Caravajal | first4 = J. | last5 = Traves Zapata | first5 = V. | last6 = Cantó Armengod | first6 = A. | title = [Pulmonary tumorlet. Report of 5 cases]. | journal = Arch Bronconeumol | volume = 32 | issue = 9 | pages = 489-91 | month = Nov | year = 1996 | doi = | PMID = 9064089 }}</ref> | *Arise from ''Kulchitsky cells'' of the bronchial epithelium.<ref name=pmid9064089>{{Cite journal | last1 = Ramón Capilla | first1 = M. | last2 = Arnau Obrer | first2 = A. | last3 = Navarro Ibáñez | first3 = R. | last4 = Galbis Caravajal | first4 = J. | last5 = Traves Zapata | first5 = V. | last6 = Cantó Armengod | first6 = A. | title = [Pulmonary tumorlet. Report of 5 cases]. | journal = Arch Bronconeumol | volume = 32 | issue = 9 | pages = 489-91 | month = Nov | year = 1996 | doi = | PMID = 9064089 }}</ref> | ||
==Microscopic== | ==Microscopic== | ||
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==See also== | ==See also== | ||
*[[ | *[[Lung tumours]]. | ||
*[[Neuroendocrine neoplasms]]. | |||
==References== | ==References== | ||
Revision as of 03:20, 28 August 2015
Pulmonary carcinoid tumourlet, also carcinoid tumourlet, is a small benign proliferation of Kulchitsky cells.
General
- Neuroendocrine cell proliferation.[1]
- Essentially a small typical carcinoid.
- Arise from Kulchitsky cells of the bronchial epithelium.[2]
Microscopic
Features:
- Nests of cells - classic pattern.
- Salt and pepper chromatin - key feature.
- Size criterion: <5 mm.[3][4]
DDx:
Images
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A. Lymph Node, Station 4R, Lymphadenectomy: - Lymph node, NEGATIVE for malignancy. B. Lymph Node, Station 11R, Lymphadenectomy: - Lymph node, NEGATIVE for malignancy. C. Lung, Right Middle Lobe, Lobectomy: - Typical carcinoid tumour (13 mm maximal dimension). - Carcinoid tumourlet (3 mm maximal dimension). - Margins clear of tumour. - Please see tumour summary.
See also
References
- ↑ Bennett, GL.; Chew, FS. (Mar 1994). "Pulmonary carcinoid tumorlets.". AJR Am J Roentgenol 162 (3): 568. PMID 8109497.
- ↑ Ramón Capilla, M.; Arnau Obrer, A.; Navarro Ibáñez, R.; Galbis Caravajal, J.; Traves Zapata, V.; Cantó Armengod, A. (Nov 1996). "[Pulmonary tumorlet. Report of 5 cases].". Arch Bronconeumol 32 (9): 489-91. PMID 9064089.
- ↑ URL: http://pathhsw5m54.ucsf.edu/case7/image75.html. Accessed on: 23 January 2012.
- ↑ He, P.; Gu, X.; Wu, Q.; Lin, Y.; Gu, Y.; He, J. (Dec 2012). "Pulmonary carcinoid tumorlet without underlying lung disease: analysis of its relationship to fibrosis.". J Thorac Dis 4 (6): 655-8. doi:10.3978/j.issn.2072-1439.2012.06.11. PMID 23205296.