RESUME Le carcinome spinocellulaire est une tumeur invasive développée aux dépens des kératinocytes épidermiques. Il survient plutôt sur des lésions de dysplasies. Nous rapportons le cas dʼun homme de 35 ans, connu porteur depuis lʼâge de 15 ans de lupus discoïde chronique, non traité. Ce patient nous a consulté pour une lésion bourgeonnante de lʼhémi lèvre inférieure gauche évoluant depuis une année, apparue sur une lésion lupique. La biopsie a conclu à un carcinome spinocellulaire. Le patient a eu une exérèse tumorale avec un curage triangulaire homolatéral et une reconstruction en un seul temps. Mots-clé : Carcinome spinocellulaire, carcinome épidermoïde, lupus discoïde chronique, dermatose pré-cancéreuse. SUMMARY Epidermoïd carcinoma is the most common malignant tumor of the lips. They often develop on precancerous lesions. Leukoplasia is the most frequent precancerous lesion. We report a case of a 35 years old man, who suffered from discoid lupus erythematous since 20 years; and wasnʼt treated from. He consulted for a squamous ulceration of the under lip, developed from one year. The biopsy concluded to an epidermoïd carcinoma. He was treated with surgical excision with reconstruction and homolateral triangular recovery.
Cysts of the thyroglossal duct are a congenital anomaly. they are common but the incidence of papillary carcinoma arising in a thyroglossal duct cyst (TDC) is rare. The clinical presentation of these cancers is generally nonspecific. There are usually identified only after histopathologic examination. Aim: Modalities of treatment and prevention are discussed. Methods: We report 4 cases of a papillary carcinoma developed on a thyroglossal duct cyst, who underwent surgery. Two cases have been detected on préopératory and two at the definitive anatomopathology. Our therapeutic attitude has been discussed in each of our 4cases. Conclusion: there is no consensus about the modalities of treatment of papillary carcinoma in thyroglossal duct cyst.
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