Case presentation A 47-year-old man presented with diffuse gingival redness. The redness started in the lower left canine area and progressively spread throughout the dentition. The patient reported the lesions were painful when eating or brushing. Upon presentation to the periodontist, there was intense erythema on teeth #12-13, 19-25, and 28-29. The most intense redness was on #20-25.
The tissue bled easily with any contact and exhibited a positive Nikolsky sign. Past medical history: Benign atrial fibrillation and non-alcoholic fatty liver disease Social history: Rare alcohol consumption and no use of any tobacco products or recreational drugs Medication history: Current medications include propranolol and fish oil What is the most likely diagnosis for this patient? *This Case Challenge is from the Editorial Team of Docplexus and is meant for educational purposes only.
