<prompt> The most strongly implicated premalignant condition of the oral cavity isFordyce spotsErythroplakiaMedian rhomboid glossitisErythema multiforme  <response>: ConditionUsual locationClinical featuresCourseFordyce spotsBuccal and labial mucosaNumerous small yellowish spots just beneath the mucosa; no symptoms; due to hyperplasia of sebaceous glandsbenignErythroplakiaFloor of mouth in men; tongue and buccal mucosa in womenVelvety, reddish plaqueHigh risk for squamous cell cancerMedian rhomboid glossitisMedian posterior poion of tongueCongenital abnormality of tongue with ovoid, denuded areabenignErythema multiformeOral mucosa Intraoral ruptured bullae surrounded by inflammatory areas; lips may show hemorrhagic crustsNot a premalignant conditionRef: Harrisons 18e p217, table 32.1-32.4 