Léiríonn Carcinoma Intraepithelial (Galar Bowen) (Intraepithelial carcinoma (Bowen disease)) cealla squamous neamhghnách ag pluaiseadh trí thiús iomlán an eipideirm. Tá an tumór teoranta don eipideirm agus nach ionraíonn sé isteach sa derma. Cé go ndéantar an galar seo a rangú go teicniúil mar ailse, tá sé neamh‑ionrach—níl sé cosúil le h‑ailse choitianta—agus dá bhrí sin tá réamhaisnéis mhaith aige. (i.e. ailse a bhfuil réamhaisnéis mhaith aici.)
De ghnáth feictear é mar limistéar dearg, scáileach nó crústach áit ar bith ar an gcorp. Is é an suíomh is coitianta ná cosa íseal.
Is féidir é a leigheas trí roghanna cóireála éagsúla, mar shampla cryotherapy, curettage, cauterisation, teiripe fótadinimiciúil, nó gearradh den leásán.
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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Cás tipiciúil ― D’fhéadfaí mídhiagnóisiú a dhéanamh ar Carcinoma Intraepithelial (Galar Bowen) (Intraepithelial carcinoma (Bowen disease)) mar eachma fadó nach bhfuil breoite.
Cutaneous horn – ní cosúil le warts, léirítear é mar nódúl crua, agus tá biopsa riachtanach chun mí-chláir a sheachaint.
Má mhaireann créacht ar feadh tréimhse fada, ba cheart ailse craicinn a chur san áireamh.
Is cineál carnach intraepithelial é Bowen's disease (BD) a thosaíonn i gciseal seachtrach an chraicinn (eipideirm). Tá sé níos coitianta i measc na nCaucasach agus is minic a tharlaíonn sé i limistéir faoi sholas na gréine, ach is féidir é a bheith le feiceáil i áiteanna eile freisin. Is gnách go dtaispeántar BD mar lóg amháin. Is minic a fheictear BD mar chomhartha rabhadh sula bhforbraítear cineál níos tromchúisí de charnach craicinn. Chun BD a dhiagnóiseadh, bíonn dochtúirí ag brath go hiondúil ar shamplaí ailtéireacha a scrúdú faoi mhicreascóp (bithóipse). 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 is mó i measc daoine bána os cionn 60 bliain d'aois. Áirítear leis na príomhfhachtóirí riosca nochtadh fadtéarmach don ghrian, córas imdhíonachta lag, nochtadh arsanaic, agus ionfhabhtú HPV ar an gcraiceann. Tá cineálacha HPV 16, 18, 34, agus 48 nasctha le galar Bowen i limistéir ghiniúna. Níl rannpháirtíocht HPV i gcásanna neamhghiniúna chomh soiléir céanna. 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.
De ghnáth feictear é mar limistéar dearg, scáileach nó crústach áit ar bith ar an gcorp. Is é an suíomh is coitianta ná cosa íseal.
Is féidir é a leigheas trí roghanna cóireála éagsúla, mar shampla cryotherapy, curettage, cauterisation, teiripe fótadinimiciúil, nó gearradh den leásán.
○ Diagnóis agus Cóireáil
#Dermoscopy
#Skin biopsy
#Mohs surgery
#Photodynamic therapy