48,830
edits
(→Sinus histiocytosis: +SO) |
|||
Line 539: | Line 539: | ||
***The "eaten" cell is within a vacuole;<ref>{{cite journal |author=Viswanathan P, Raghunathan K, Majhi U, Pandit RV, Shanthi R, Rajkumar T|title=Emperipolesis : an electron microscopic characteristic in RDD (Rosai-Dorfaman disease) : a case report |volume= |issue=1|pages=14-6 |year=1997 |month= |pmid= |doi= |url=http://www.ijmpo.org/article.asp?issn=0971-5851;year=1997;volume=18;issue=1;spage=14;epage=16;aulast=Viswanathan;type=0}}</ref> thus, it should have a clear halo around it. | ***The "eaten" cell is within a vacuole;<ref>{{cite journal |author=Viswanathan P, Raghunathan K, Majhi U, Pandit RV, Shanthi R, Rajkumar T|title=Emperipolesis : an electron microscopic characteristic in RDD (Rosai-Dorfaman disease) : a case report |volume= |issue=1|pages=14-6 |year=1997 |month= |pmid= |doi= |url=http://www.ijmpo.org/article.asp?issn=0971-5851;year=1997;volume=18;issue=1;spage=14;epage=16;aulast=Viswanathan;type=0}}</ref> thus, it should have a clear halo around it. | ||
***Thought to be related to ''peripolesis''; the attachment of a cell to another.<ref name=pmid1577151>{{cite journal |author=Lyons DJ, Gautam A, Clark J, ''et al.'' |title=Lymphocyte macrophage interactions: peripolesis of human alveolar macrophages |journal=Eur. Respir. J. |volume=5 |issue=1 |pages=59–66 |year=1992 |month=January |pmid=1577151 |doi= |url=}}</ref> | ***Thought to be related to ''peripolesis''; the attachment of a cell to another.<ref name=pmid1577151>{{cite journal |author=Lyons DJ, Gautam A, Clark J, ''et al.'' |title=Lymphocyte macrophage interactions: peripolesis of human alveolar macrophages |journal=Eur. Respir. J. |volume=5 |issue=1 |pages=59–66 |year=1992 |month=January |pmid=1577151 |doi= |url=}}</ref> | ||
DDx: | |||
*Other histiocytosis: | |||
**[[Langerhans cell histiocytosis]]. | |||
**[[Erdheim-Chester disease]]. | |||
*Infection, e.g. [[rhinoscleroma]] (nasopharynx), [[xanthogranulomatous pyelonephritis]]. | |||
*Xanthomatous change. | |||
Images: | Images: | ||
Line 550: | Line 557: | ||
**[http://path.upmc.edu/cases/case351/micro.html RDD - case 3 - several images (upmc.edu)]. | **[http://path.upmc.edu/cases/case351/micro.html RDD - case 3 - several images (upmc.edu)]. | ||
**[http://path.upmc.edu/cases/case546.html RDD - case 4 - several images (upmc.edu)]. | **[http://path.upmc.edu/cases/case546.html RDD - case 4 - several images (upmc.edu)]. | ||
===IHC=== | ===IHC=== |
edits