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Difference between revisions of "Fibroblastic/myofibroblastic tumours"
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Fibroblastic/myofibroblastic tumours (view source)
Revision as of 14:28, 26 November 2011
, 14:28, 26 November 2011→Inflammatory myofibroblastic tumour: +images
(→Inflammatory myofibroblastic tumour: +molecular) |
(→Inflammatory myofibroblastic tumour: +images) |
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*Some consider this a wastebasket diagnosis... for benign appearing spindle cell lesions.<ref>URL: [http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970283-2 http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970283-2]. Accessed on: 10 May 2011.</ref> | *Some consider this a wastebasket diagnosis... for benign appearing spindle cell lesions.<ref>URL: [http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970283-2 http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970283-2]. Accessed on: 10 May 2011.</ref> | ||
Images: | |||
*[http://commons.wikimedia.org/wiki/File:Inflammatory_myofibroblastic_tumour_-_high_mag.jpg IMT - high mag. (WC)]. | |||
*[http://commons.wikimedia.org/wiki/File:Inflammatory_myofibroblastic_tumour_-_very_high_mag.jpg IMT - very high mag. (WC)]. | |||
===IHC=== | |||
Features - dependent on site: | |||
*SMA +ve.<ref name=pmid20350216 >{{Cite journal | last1 = Shi | first1 = H. | last2 = Li | first2 = Y. | last3 = Wei | first3 = L. | last4 = Sun | first4 = L. | title = Primary colorectal inflammatory myofibroblastic tumour: a clinicopathological and immunohistochemical study of seven cases. | journal = Pathology | volume = 42 | issue = 3 | pages = 235-41 | month = Apr | year = 2010 | doi = 10.3109/00313021003631312 | PMID = 20350216 }} | |||
</ref> | |||
*Vimentin +ve. | |||
Variable staining with: | |||
*CD34, AE1/AE3, calretin.<ref name=pmid20216379>{{Cite journal | last1 = Miyamoto | first1 = H. | last2 = Montgomery | first2 = EA. | last3 = Epstein | first3 = JI. | title = Paratesticular fibrous pseudotumor: a morphologic and immunohistochemical study of 13 cases. | journal = Am J Surg Pathol | volume = 34 | issue = 4 | pages = 569-74 | month = Apr | year = 2010 | doi = 10.1097/PAS.0b013e3181d438cb | PMID = 20216379 }}</ref><ref name=pmid20350216>{{Cite journal | last1 = Shi | first1 = H. | last2 = Li | first2 = Y. | last3 = Wei | first3 = L. | last4 = Sun | first4 = L. | title = Primary colorectal inflammatory myofibroblastic tumour: a clinicopathological and immunohistochemical study of seven cases. | journal = Pathology | volume = 42 | issue = 3 | pages = 235-41 | month = Apr | year = 2010 | doi = 10.3109/00313021003631312 | PMID = 20350216 }}</ref> | |||
Negative:<ref name=pmid20350216/> | |||
S100, CD117, CD68. | |||
===Molecular=== | ===Molecular=== | ||
*ALK rearrangements.<ref name=pmid21297584/> | *ALK rearrangements.<ref name=pmid21297584/> | ||