Corn/callus (singular: callus, callosity, tyloma; plural: callosities, tylomas, tylomata) Clavus (clavi; singular: clavus, corn, heloma; plural: corns, helomas, helomata)
Are You Confident of the Diagnosis? Characteristic findings on physical examination Corns (clavi) are very well demarcated and usually are less than 1.5cm in diameter (Figure 1, Figure 2). Clavi may be further classified as a hard clavus (heloma durum) or a soft clavus (heloma mole). Calluses are poorly demarcated and can be of any…