Intraepithelial Carcinoma (Bowen Sykte) (Intraepithelial carcinoma (Bowen disease)) toant atypyske squameuse sellen dy't troch de hiele dikte fan 'e epidermis proliferearje. De tumor is beheind ta de epidermis en breint net yn de dermis. Dizze sykte is technysk klassifisearre as kanker, mar net‑invasyf yn ferliking mei gewone kankers (dat betsjut dat it in kanker is mei in goede prognoaze).
It ferskynt meastentiids as in erythemateus, skaalich of krústich gebiet op elke lokaasje fan it lichem. De meast foarkommende lokaasje is de ûnderste skonken.
It kin genêzen wurde mei ferskate behannelingsopsjes, lykas kryoterapy, curettage, cautery, fotodynamyske terapy, of útsnijing fan de lesion.
Squamous-cell skin cancer is one of the main types of skin cancer along with basal cell cancer, and melanoma. It usually presents as a hard lump with a scaly top but can also form an ulcer. Onset is often over months. Squamous-cell skin cancer is more likely to spread to distant areas than basal cell cancer. When confined to the outermost layer of the skin, a precancerous or in situ form of cSCC is known as Bowen's disease.
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Typysk gefal: Intraepithelial Carcinoma (Bowen Sykte) (Intraepithelial carcinoma (Bowen disease)) kin ferkeard diagnostearre wurde as in lang duorjende, net‑jeukende eczeem.
Cutaneous horn – oars as wratten, presintearret it as in hûrde nodule, en in biopsie is nedich om maligniteit út te sluten.
As in wûne foar in langere perioade oanhâldt, moat hûdkanker beskôge wurde.
Bowen's disease (BD) is in soarte fan hûdkanker dat begjint yn 'e bûtenste laach fan' e hûd (epidermis). It komt faker foar by Kaukasiërs en komt faak foar yn gebieten dy't bleatsteld binne oan sinneljocht, mar it kin ek earder oars ferskine. BD ferskynt typysk as in inkele lesion. BD wurdt faak sjoen as in warskôgingsteken foar't in mear serieuze soarte fan hûdkanker ûntwikkelt. Om BD te diagnostearjen, fertrouwe dokters gewoanlik op it ûndersykjen fan weefselmonsters ûnder in mikroskoop (biopsy). Bowen's disease (BD) is an in-situ squamous cell carcinoma of epidermis. The etiology of BD is multifactorial with high incidence among Caucasians. BD is common in photo-exposed areas of skin, but other sites can also be involved. Lesions are usually solitary. The morphology of BD differs based on age of the lesion, site of origin, and the degree of keratinization. BD is considered as the lull before the storm, which precedes an overt squamous cell carcinoma. Histopathology is the gold standard diagnostic modality to confirm the diagnosis.
Bowen's disease beinvloedt meast blanke persoanen âlder as 60 jier. Wichtige risikofaktoaren omfetsje lange‑termyn bleatstelling oan de sinne, in ferswakke immúnsysteem, bleatstelling oan arseen, en HPV‑ynfeksje fan 'e hûd. HPV‑stammen 16, 18, 34 en 48 binne keppele oan de sykte Bowen yn genitale gebieten. De belutsenheid fan HPV yn net‑genitale gefallen is minder dúdlik. Bowen disease is most commonly found in white patients over 60 years old. Other risk factors include chronic sun exposure, immunosuppression, arsenic exposure and cutaneous human papillomavirus (HPV) infection. HPV types 16, 18, 34 and 48 cause Bowen disease at genital sites; the role of HPV in nongenital cases of Bowen disease is less well defined. HPV types 2, 16, 34 and 35 have been rarely identified within nongenital lesions.
It ferskynt meastentiids as in erythemateus, skaalich of krústich gebiet op elke lokaasje fan it lichem. De meast foarkommende lokaasje is de ûnderste skonken.
It kin genêzen wurde mei ferskate behannelingsopsjes, lykas kryoterapy, curettage, cautery, fotodynamyske terapy, of útsnijing fan de lesion.
○ Diagnose en behanneling
#Dermoscopy
#Skin biopsy
#Mohs surgery
#Photodynamic therapy