<prompt> Most common cancer arising from a burns scar is:Adeno carcinomaFibrosarcomaSquamous carcinomaAdeno squamous carcinoma  <response>: Ans: C Squamous carcinoma Ref: Bailey Loves Short Practice of Surgery, 25th Edition 611Explanation:Squamous carcinoma of SkinSecond most common form of skin cancerTwice more common in menRisk factorsUV rays exposureChronic inflammationChronic sinus tractsPre-existing searsOsteomyelitisBumsVaccination pointsImmunosuppression organ-transplant recipientsChemical carcinogens arsenieals, tarHPV5 and HPY16 infe etionTobacco useClinical featuresLesions vary from smooth nodular to verrucous, papillomatous and ulcerating lesions.All variants will eventually ulcerate as they grow.The u leers hav e a characterisecally e verted edgeDiagnosis - By biopsyManagementSurgical excisionLesion 2 cm - Excision with 4mm marginLesion 2 cm Excision with l cm margin 