Difference between revisions of "Eccrine spiradenoma"

Jump to navigation Jump to search
99 bytes added ,  01:48, 18 February 2015
Line 59: Line 59:
**These two tumors are very closely related and overlap.
**These two tumors are very closely related and overlap.
**Many tumors have areas of both spiradenoma and cylindroma.
**Many tumors have areas of both spiradenoma and cylindroma.
**The lobules of cylindroma are  
**The lobules of cylindroma are small
***more consistently discrete,  
***more consistently discrete,  
***show more a more consistent arrangement of the light and dark cells and are
***show more a more consistent arrangement of the light and dark cells and are
***surrounded by prominent hyaline material.
***often surrounded by prominent hyaline material.
**Individual lobules of cylindroma fit together like pieces of a puzzle.
**Individual lobules of cylindroma fit together like pieces of a puzzle.
**Lobules of spiradenoma  
**Lobules of spiradenoma are larger
***may run together and fuse,  
***may run together and fuse,  
***may not have a prominent hyaline surround and
***may not have a prominent hyaline surround and
Line 79: Line 79:
**Spiradenoma lacks clefting artefact.
**Spiradenoma lacks clefting artefact.
**Spiradenoma lacks mitoses and prominent apoptosis.
**Spiradenoma lacks mitoses and prominent apoptosis.
**BCC lacks ducts
**BCC lobules lack a prominent surrounding hyaline membrane
*Lymphoid aggregate (spiradenoma will be cytokeratin positive)
*Lymphoid aggregate (spiradenoma will be cytokeratin positive)


653

edits

Navigation menu