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Difference between revisions of "Peritoneum"
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→Benign: +papillary mesothelioma
(→Peritoneal inclusion cyst: rename) |
(→Benign: +papillary mesothelioma) |
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=Benign= | =Benign= | ||
==Well-differentiated papillary mesothelioma== | |||
:Should '''not''' be confused with ''[[malignant mesothelioma]]'' or ''[[benign multicystic mesothelioma]]''. | |||
*[[AKA]] ''benign papillary mesothelioma''. | |||
===General=== | |||
*Benign. | |||
*Classically women of reproductive age.<ref name=pmid18716115>{{Cite journal | last1 = Park | first1 = JY. | last2 = Kim | first2 = KW. | last3 = Kwon | first3 = HJ. | last4 = Park | first4 = MS. | last5 = Kwon | first5 = GY. | last6 = Jun | first6 = SY. | last7 = Yu | first7 = ES. | title = Peritoneal mesotheliomas: clinicopathologic features, CT findings, and differential diagnosis. | journal = AJR Am J Roentgenol | volume = 191 | issue = 3 | pages = 814-25 | month = Sep | year = 2008 | doi = 10.2214/AJR.07.3628 | PMID = 18716115 | URL = content/191/3/814.full.pdf}}</ref> | |||
===Gross=== | |||
Features: | |||
*Multiple peritoneal nodules. | |||
*Ascites. | |||
DDx:<ref name=pmid18716115/> | |||
*[[Tuberculosis]]. | |||
*Carcinomatosis. | |||
*[[Primary peritoneal serous carcinoma]]. | |||
===Microscopic=== | |||
Features: | |||
*Papillary structures with: | |||
**Thick fibrous cores. | |||
**Simple cuboidal epithelium. | |||
***Small nucleoli. | |||
Note: | |||
*Lack cytologic atypia. | |||
Image: | |||
*[http://www.webpathology.com/image.asp?n=10&Case=86 Benign papillary mesothelioma (webpathology.com)]. | |||
==Benign multicystic mesothelioma== | ==Benign multicystic mesothelioma== | ||
:Should '''not''' be confused with ''[[malignant mesothelioma]]''. | :Should '''not''' be confused with ''[[malignant mesothelioma]]''. | ||