Late congenital syphilis

Late congenital syphilis is a subset of cases of congenital syphilis. By definition, it occurs in children at or greater that 2 years of age who acquired the infection trans-placentally.

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Symptoms include^[1]

blunted upper incisor teeth known as Hutchinson's teeth
inflammation of the cornea known as interstitial keratitis
deafness from auditory nerve disease
frontal bossing (prominence of the brow ridge)
saddle nose (collapse of the bony part of nose)
hard pallet defect
swollen knees
saber shins
short maxillae
protruding mandible

A frequently-found group of symptoms is Hutchinson's triad, which consists of Hutchinson's teeth (notched incisors), keratitis and deafness and occurs in 63% of cases.^[1]

Treatment (with penicillin) before the development of late symptoms is essential. ^[2]