Difference between revisions of "Lung tumours"

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Lung tumours (view source)

Revision as of 18:34, 8 April 2014

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→‎Atypical alveolar hyperplasia: split out
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*Abbreviated ''AAH''.
*Abbreviated ''AAH''.
*[[AKA]] ''atypical adenomatous hyperplasia of the lung''.<ref name=pmid11235908>{{Cite journal  | last1 = Mori | first1 = M. | last2 = Rao | first2 = SK. | last3 = Popper | first3 = HH. | last4 = Cagle | first4 = PT. | last5 = Fraire | first5 = AE. | title = Atypical adenomatous hyperplasia of the lung: a probable forerunner in the development of adenocarcinoma of the lung. | journal = Mod Pathol | volume = 14 | issue = 2 | pages = 72-84 | month = Feb | year = 2001 | doi = 10.1038/modpathol.3880259 | PMID = 11235908 }}</ref>
*[[AKA]] ''atypical adenomatous hyperplasia of the lung''.<ref name=pmid11235908>{{Cite journal  | last1 = Mori | first1 = M. | last2 = Rao | first2 = SK. | last3 = Popper | first3 = HH. | last4 = Cagle | first4 = PT. | last5 = Fraire | first5 = AE. | title = Atypical adenomatous hyperplasia of the lung: a probable forerunner in the development of adenocarcinoma of the lung. | journal = Mod Pathol | volume = 14 | issue = 2 | pages = 72-84 | month = Feb | year = 2001 | doi = 10.1038/modpathol.3880259 | PMID = 11235908 }}</ref>
 
{{Main|Atypical adenomatous hyperplasia of the lung}}
===General===
*Generally considered the precursor lesion to ''adenocarcinoma in situ''.<ref name=pmid17618248>{{Cite journal  | last1 = Sakuma | first1 = Y. | last2 = Matsukuma | first2 = S. | last3 = Yoshihara | first3 = M. | last4 = Nakamura | first4 = Y. | last5 = Nakayama | first5 = H. | last6 = Kameda | first6 = Y. | last7 = Tsuchiya | first7 = E. | last8 = Miyagi | first8 = Y. | title = Epidermal growth factor receptor gene mutations in atypical adenomatous hyperplasias of the lung. | journal = Mod Pathol | volume = 20 | issue = 9 | pages = 967-73 | month = Sep | year = 2007 | doi = 10.1038/modpathol.3800929 | PMID = 17618248 }}</ref>
*Typically an incidental finding, i.e. asymptomatic.<ref name=Ref_WMSP114>{{Ref WMSP|114}}</ref>
 
===Microscopic===
Features:<ref name=Ref_WMSP114>{{Ref WMSP|114}}</ref>
*Enlarged alveolar lining cells with:
**Hobnail morphology - free (luminal) surface area > attached/basal surface area.
**Hyperchromasia.
**Spaces are typically seen between the cells.<ref>{{Cite journal  | last1 = Travis | first1 = WD. | last2 = Brambilla | first2 = E. | last3 = Noguchi | first3 = M. | last4 = Nicholson | first4 = AG. | last5 = Geisinger | first5 = KR. | last6 = Yatabe | first6 = Y. | last7 = Beer | first7 = DG. | last8 = Powell | first8 = CA. | last9 = Riely | first9 = GJ. | title = International association for the study of lung cancer/american thoracic society/european respiratory society international multidisciplinary classification of lung adenocarcinoma. | journal = J Thorac Oncol | volume = 6 | issue = 2 | pages = 244-85 | month = Feb | year = 2011 | doi = 10.1097/JTO.0b013e318206a221 | PMID = 21252716 }}</ref>
*Limited extent:
**<5 mm. †
 
DDx:
*Adenocarcinoma in situ.
*[[Lung adenocarcinoma]].
 
Note:
*  † [[Diagnostic size cutoff]].
 
Image:
*[http://www.nature.com/modpathol/journal/v20/n9/fig_tab/3800929f1.html#figure-title AAH (nature.com)].<ref name=pmid17618248/>


==Atypical carcinoid lung tumour==
==Atypical carcinoid lung tumour==
Michael
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