Difference between revisions of "Multifocal micronodular pneumocyte hyperplasia associated with tuberous sclerosis"

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Clinical:
Clinical:
*May present with [[pneumothorax].<ref name=pmid2071093>{{Cite journal  | last1 = Popper | first1 = HH. | last2 = Juettner-Smolle | first2 = FM. | last3 = Pongratz | first3 = MG. | title = Micronodular hyperplasia of type II pneumocytes--a new lung lesion associated with tuberous sclerosis. | journal = Histopathology | volume = 18 | issue = 4 | pages = 347-54 | month = Apr | year = 1991 | doi =  | PMID = 2071093 }}</ref>
*May have recurrent [[pneumothorax]].<ref name=pmid2071093>{{Cite journal  | last1 = Popper | first1 = HH. | last2 = Juettner-Smolle | first2 = FM. | last3 = Pongratz | first3 = MG. | title = Micronodular hyperplasia of type II pneumocytes--a new lung lesion associated with tuberous sclerosis. | journal = Histopathology | volume = 18 | issue = 4 | pages = 347-54 | month = Apr | year = 1991 | doi =  | PMID = 2071093 }}</ref>


==Gross==
==Gross==
Features:<ref name=pmid18535095>{{Cite journal  | last1 = Kobashi | first1 = Y. | last2 = Sugiu | first2 = T. | last3 = Mouri | first3 = K. | last4 = Irei | first4 = T. | last5 = Nakata | first5 = M. | last6 = Oka | first6 = M. | title = Multifocal micronodular pneumocyte hyperplasia associated with tuberous sclerosis: differentiation from multiple atypical adenomatous hyperplasia. | journal = Jpn J Clin Oncol | volume = 38 | issue = 6 | pages = 451-4 | month = Jun | year = 2008 | doi = 10.1093/jjco/hyn042 | PMID = 18535095 }}</ref>
Features:<ref name=pmid18535095>{{Cite journal  | last1 = Kobashi | first1 = Y. | last2 = Sugiu | first2 = T. | last3 = Mouri | first3 = K. | last4 = Irei | first4 = T. | last5 = Nakata | first5 = M. | last6 = Oka | first6 = M. | title = Multifocal micronodular pneumocyte hyperplasia associated with tuberous sclerosis: differentiation from multiple atypical adenomatous hyperplasia. | journal = Jpn J Clin Oncol | volume = 38 | issue = 6 | pages = 451-4 | month = Jun | year = 2008 | doi = 10.1093/jjco/hyn042 | PMID = 18535095 }}</ref>
*Multiple small lung nodules - apparently random distribution.
*Multiple small lung nodules - apparently random distribution.
Note:
*May have an [[emphysema]]-like picture due to the obstruction of lymphatics and alveolar ducts from mass effect.<ref name=pmid2071093/>


==Microscopic==
==Microscopic==
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