All are true regarding bone infection with yaws except
|A||Characteristic bone changes are periosteal new bone formation|
|B||Cortical rarefaction or destruction|
|C||It is because of infection with treponema pallidum|
|D||Active infection in best treated with penicillin|
It is because of infection with treponema pallidum
a. Yaws is a non-venereal spirochetal infection caused by the organism Treponema perteune it is seen mainly in the tropics.
b. The characteristic bone changes are periosteal bone formation and cortical rarefaction or destruction. Sclerosis is less marked than in syphilis.