Clinical manifestations of late congenital syphilis include perioral fissures (rhagades), saddle nose deformity, frontal bossing, Hutchinson's triad (peg-shaped, notched, widely spaced permanent upper central incisors; interstitial keratitis; and the eighth cranial nerve deafness), multicusped first molars (mulberry molars), mental retardation, perforation of the hard palate, prognathism, painless effusion of knees (Clutton joints), thickening of sternoclavicular joint (
Higoumenakis sign), scaphoid scapula, and anterior bowing of shins (saber shins) [5, 7, 9, 12].