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Difference between revisions of "Malignant mesothelioma"
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==General== | ==General== | ||
*Incidence | |||
**Rare tumor accounting for 4-7 cases per million individuals. | |||
**More common in men in 5th and 6th decades of life. | |||
*Poor prognosis<ref>{{Cite journal | last1 = Haber | first1 = SE. | last2 = Haber | first2 = JM. | title = Malignant mesothelioma: a clinical study of 238 cases. | journal = Ind Health | volume = 49 | issue = 2 | pages = 166-72 | month = | year = 2011 | doi = | PMID = 21173534 }}</ref> - median survival <12 months.<ref name=pmid23413596>{{Cite journal | last1 = Mineo | first1 = TC. | last2 = Ambrogi | first2 = V. | title = Malignant pleural mesothelioma: factors influencing the prognosis. | journal = Oncology (Williston Park) | volume = 26 | issue = 12 | pages = 1164-75 | month = Dec | year = 2012 | doi = | PMID = 23413596 }}</ref> | *Poor prognosis<ref>{{Cite journal | last1 = Haber | first1 = SE. | last2 = Haber | first2 = JM. | title = Malignant mesothelioma: a clinical study of 238 cases. | journal = Ind Health | volume = 49 | issue = 2 | pages = 166-72 | month = | year = 2011 | doi = | PMID = 21173534 }}</ref> - median survival <12 months.<ref name=pmid23413596>{{Cite journal | last1 = Mineo | first1 = TC. | last2 = Ambrogi | first2 = V. | title = Malignant pleural mesothelioma: factors influencing the prognosis. | journal = Oncology (Williston Park) | volume = 26 | issue = 12 | pages = 1164-75 | month = Dec | year = 2012 | doi = | PMID = 23413596 }}</ref> | ||
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DDx:<ref name=pmid15559051>{{Cite journal | last1 = Corson | first1 = JM. | title = Pathology of mesothelioma. | journal = Thorac Surg Clin | volume = 14 | issue = 4 | pages = 447-60 | month = Nov | year = 2004 | doi = 10.1016/j.thorsurg.2004.06.007 | PMID = 15559051 }} | DDx:<ref name=pmid15559051>{{Cite journal | last1 = Corson | first1 = JM. | title = Pathology of mesothelioma. | journal = Thorac Surg Clin | volume = 14 | issue = 4 | pages = 447-60 | month = Nov | year = 2004 | doi = 10.1016/j.thorsurg.2004.06.007 | PMID = 15559051 }} | ||
</ref> | </ref> | ||
<ref name="pmid15725802">{{Cite journal | last1 = Bégueret | first1 = H. | last2 = Galateau-Salle | first2 = F. | last3 = Guillou | first3 = L. | last4 = Chetaille | first4 = B. | last5 = Brambilla | first5 = E. | last6 = Vignaud | first6 = JM. | last7 = Terrier | first7 = P. | last8 = Groussard | first8 = O. | last9 = Coindre | first9 = JM. | title = Primary intrathoracic synovial sarcoma: a clinicopathologic study of 40 t(X;18)-positive cases from the French Sarcoma Group and the Mesopath Group. | journal = Am J Surg Pathol | volume = 29 | issue = 3 | pages = 339-46 | month = Mar | year = 2005 | doi = | PMID = 15725802 }}</ref> | |||
*[[Fibrosing pleuritis]] - should ''not'' have nodules, more cellular on the aspect adjacent to the effusion. | *[[Fibrosing pleuritis]] - should ''not'' have nodules, more cellular on the aspect adjacent to the effusion. | ||
*Reactive mesothelial cells - may be atypical. | *Reactive mesothelial cells - may be atypical. | ||
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*[[Adenocarcinoma]] - esp. [[lung adenocarcinoma]]. | *[[Adenocarcinoma]] - esp. [[lung adenocarcinoma]]. | ||
*[[Serous carcinoma]]. | *[[Serous carcinoma]]. | ||
*[[Synovial sarcoma]]. | |||
===Images=== | ===Images=== | ||
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Image: Malignant epithelioid mesothelioma - calretinin - high mag.jpg | MM - calretinin - high mag. | Image: Malignant epithelioid mesothelioma - calretinin - high mag.jpg | MM - calretinin - high mag. | ||
</gallery> | </gallery> | ||
====www==== | |||
*[http://www.rosaicollection.org/searchresults.cfm/ Mesothelioma (rosaicollection.org/index.cfm)]. | |||
===Subtypes=== | ===Subtypes=== | ||
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**CEA (monoclonal and polyclonal). | **CEA (monoclonal and polyclonal). | ||
**[[TTF-1]]. | **[[TTF-1]]. | ||
**Ber-EP4. | **[[Ber-EP4]]. | ||
**MOC-31. | **MOC-31. | ||
**CD15. | **CD15. | ||
**[[B72.3]]. | |||
===Other carcinoma markers=== | ===Other carcinoma markers=== | ||
*[[PAX8]].<ref name=pmid23846294>{{cite journal |author=Lee M, Alexander HR, Burke A |title=Diffuse mesothelioma of the peritoneum: a pathological study of 64 tumours treated with cytoreductive therapy |journal=Pathology |volume=45 |issue=5 |pages=464–73 |year=2013 |month=August |pmid=23846294 |doi=10.1097/PAT.0b013e3283631cce |url=}}</ref> | *[[PAX8]] -ve.<ref name=pmid23846294>{{cite journal |author=Lee M, Alexander HR, Burke A |title=Diffuse mesothelioma of the peritoneum: a pathological study of 64 tumours treated with cytoreductive therapy |journal=Pathology |volume=45 |issue=5 |pages=464–73 |year=2013 |month=August |pmid=23846294 |doi=10.1097/PAT.0b013e3283631cce |url=}}</ref> | ||
*Claudin-4. | *Claudin-4. | ||
**Mesothelioma may be focally positive.<ref name=pmid23775021>{{cite journal |author=Ohta Y, Sasaki Y, Saito M, ''et al.'' |title=Claudin-4 as a marker for distinguishing malignant mesothelioma from lung carcinoma and serous adenocarcinoma |journal=Int. J. Surg. Pathol. |volume=21 |issue=5 |pages=493–501 |year=2013 |month=October |pmid=23775021 |doi=10.1177/1066896913491320 |url=}}</ref> | **Mesothelioma may be focally positive.<ref name=pmid23775021>{{cite journal |author=Ohta Y, Sasaki Y, Saito M, ''et al.'' |title=Claudin-4 as a marker for distinguishing malignant mesothelioma from lung carcinoma and serous adenocarcinoma |journal=Int. J. Surg. Pathol. |volume=21 |issue=5 |pages=493–501 |year=2013 |month=October |pmid=23775021 |doi=10.1177/1066896913491320 |url=}}</ref> | ||
*[[p63]] -ve.<ref name=pmid18064689>{{Cite journal | last1 = Pu | first1 = RT. | last2 = Pang | first2 = Y. | last3 = Michael | first3 = CW. | title = Utility of WT-1, p63, MOC31, mesothelin, and cytokeratin (K903 and CK5/6) immunostains in differentiating adenocarcinoma, squamous cell carcinoma, and malignant mesothelioma in effusions. | journal = Diagn Cytopathol | volume = 36 | issue = 1 | pages = 20-5 | month = Jan | year = 2008 | doi = 10.1002/dc.20747 | PMID = 18064689 }}</ref> | *[[p63]] -ve.<ref name=pmid18064689>{{Cite journal | last1 = Pu | first1 = RT. | last2 = Pang | first2 = Y. | last3 = Michael | first3 = CW. | title = Utility of WT-1, p63, MOC31, mesothelin, and cytokeratin (K903 and CK5/6) immunostains in differentiating adenocarcinoma, squamous cell carcinoma, and malignant mesothelioma in effusions. | journal = Diagn Cytopathol | volume = 36 | issue = 1 | pages = 20-5 | month = Jan | year = 2008 | doi = 10.1002/dc.20747 | PMID = 18064689 }}</ref> | ||
*[[CD138]] +ve. | |||
**Usually -ve in mesothelioma.<ref name=pmid12866374>{{Cite journal | last1 = Chu | first1 = PG. | last2 = Arber | first2 = DA. | last3 = Weiss | first3 = LM. | title = Expression of T/NK-cell and plasma cell antigens in nonhematopoietic epithelioid neoplasms. An immunohistochemical study of 447 cases. | journal = Am J Clin Pathol | volume = 120 | issue = 1 | pages = 64-70 | month = Jul | year = 2003 | doi = 10.1309/48KC-17WA-U69B-TBXQ | PMID = 12866374 }}</ref> | |||
==Molecular== | ==Molecular== | ||