Extramammary Paget disease: Difference between revisions
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*Is the lesion primary or secondary? | *Is the lesion primary or secondary? | ||
**Secondary extramammary Paget disease may be CK20 positive (urothelial or rectal) | **Secondary extramammary Paget disease may be CK20 positive (urothelial or rectal) | ||
**Primary cutaneous extramammary Paget disease is always CK20 negative. | |||
**If CK20 is positive are other organ specific markers positive? - CDX2 - colorectal or GATA3 - urothelial | **If CK20 is positive are other organ specific markers positive? - CDX2 - colorectal or GATA3 - urothelial | ||