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Difference between revisions of "Extramammary Paget disease"
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===DDx=== | ===DDx=== | ||
*[[Malignant melanoma in situ]] - atypical cells are mostly basilar with upward migration. | *[[Malignant melanoma in situ]] - atypical cells are mostly basilar with upward migration. | ||
Image:Skin MMIS HP 14PY***.jpg|Melanoma in situ - notice that the atypical cells are largely down at the basal layer with some upward migration. (SKB) | |||
*Squamous cell carcinoma in situ "[[Bowen disease]]" | *Squamous cell carcinoma in situ "[[Bowen disease]]" | ||
**Pagetoid squamous cell carcinoma in situ can look identical to extramammary Paget disease | **Pagetoid squamous cell carcinoma in situ can look identical to extramammary Paget disease | ||
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<gallery> | <gallery> | ||
Image:Skin SCCIS PagetoidandConventional 15BR30103.jpg|An SCCIS from sundamaged skin. Pagetoid SCCIS on the left, conventional SCCIS on the right. (SKB) | Image:Skin SCCIS PagetoidandConventional 15BR30103.jpg|An SCCIS from sundamaged skin. Pagetoid SCCIS on the left, conventional SCCIS on the right. (SKB) | ||
</gallery> | </gallery> | ||
*Pagetoid vulvar/anal/penil HPV associated intraepithelial neoplasia - Pagetoid areas often merge into areas of typical VIN | *Pagetoid vulvar/anal/penil HPV associated intraepithelial neoplasia - Pagetoid areas often merge into areas of typical VIN | ||