Clutton's joint is seen in ?

Ans. is 'd' i.e., Congenital syphilis Syphilic ahritis Syphilic ahritis may be seen in congenital or acquired syphilis. Congenital syphilis The joint may be affected early or late : ? Early congenital syphilis : - Osteochondritis in juxta-epiphyseal region results in breakdown of the bone and cailage. Late congenital syphilis : - Painless synovitis at pubey is called clutton's joint. Most comon site is knee followed by elbow, and often is bilateral Acquired syphilis Joint may be involved in the secondary or teiary stage. Secondary stage : - Transient polyahritis. Teiary stage : - Gummatous polyahritis, Chorcot's (neuropathic) joint