Squamous cell carcinoma in situ
See also in: Hair and ScalpSynopsis
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Erythroplasia of Queyrat refers specifically to SCCis of the glans penis and prepuce, most commonly seen in uncircumcised individuals. It is typically a red, moist, smooth or eroded plaque.
Bowenoid papulosis refers to a high-risk HPV infection (ie, HPV strains 16 and 18) with histologic features of SCCis, usually in the genital or perianal area. Periungual SCCis is also linked to high-risk HPV infection.
Arsenic-induced SCCis can be multifocal and most commonly affects acral surfaces (see arsenical keratosis).
Related topics: cutaneous squamous cell carcinoma, corneoconjunctival squamous cell carcinoma
Codes
D04.9 – Carcinoma in situ of skin, unspecified
SNOMEDCT:
189565007 – Squamous cell carcinoma in situ
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Last Updated:08/01/2024
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