Anorectal melanoma is an uncommon and aggressive disease. Because the patients often present with non specific complaints, a high clinical suspicion is important to avoid a delayed diagnosis. Patients undergoing radical surgery have no significant survival difference compared to those undergoing wide local excision. Abdominoperineal resection should be reserved for selected patients in whom loc...

Oral leukoplakia is a common potentially malignant oral lesion. Most scholars consider that its cancerization follows a multistep process of gradual progression. If surveillance and assessment could be performed at earlier stages to assess the risk of cancerization, the probability of malignancy would obviously be reduced. In this paper, we report on a patient with cancerous oral leukoplakia in...