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Difference between revisions of "Penis"
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→Phimosis
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===Pre-cancerous=== | ===Pre-cancerous=== | ||
*Penile intraepithelial neoplasia ( | *[[Penile intraepithelial neoplasia]] (PeIN). | ||
*Paget disease (like [[extramammary Paget disease]]). (???) | *Paget disease (like [[extramammary Paget disease]]). (???) | ||
===Neoplastic=== | ===Neoplastic=== | ||
*[[Squamous cell carcinoma]]. | *[[Squamous cell carcinoma of the penis|Squamous cell carcinoma]]. | ||
*[[Merkel cell carcinoma]]. | *[[Merkel cell carcinoma]]. | ||
*[[Sebaceous carcinoma]]. | *[[Sebaceous carcinoma]]. | ||
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DDx - general: | DDx - general: | ||
*[[Squamous cell carcinoma]] - nuclear atypia. | *[[Squamous cell carcinoma]] - nuclear atypia + invasion. | ||
*[[Penile intraepithelial neoplasia]] - nuclear atypia. | |||
*[[Lichen sclerosus]] - supeficial dermal fibrosis with thinned epidermis. | *[[Lichen sclerosus]] - supeficial dermal fibrosis with thinned epidermis. | ||
*[[Lichen planus]] - interface dermatitis with apoptotic bodies. | *[[Lichen planus]] - interface dermatitis with apoptotic bodies. | ||
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====Images==== | ====Images==== | ||
*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2895202/figure/F2/ Zoon balanitis (nih.gov)].<ref name=pmid20652106/> | *[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2895202/figure/F2/ Zoon balanitis (nih.gov)].<ref name=pmid20652106/> | ||
<gallery> | |||
Image: Penis Zoons Balanitis MP 4 PA.jpg|Note the flattened 'lozenge' keratinocytes separated by spongiosis (SKB). | |||
Image: Penis Zoons Balanitis MP 3 PA.jpg|The epidermis is very atrophic in this example but shows 'lozenge' keratinocytes and spongiosis (SKB). | |||
Image: Penis Zoon Balanitis SNP.jpg||This example might at first glance appear to be a lichenoid balanitis but the thin layer of epidermis is actually intact (SKB). | |||
</gallery> | |||
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