A 6-month-old girl presents with a perirectal mass, frontal bossing, and severe Periostitis on tibial radiograph. Explore the diagnostic workup.
A 6-month-old girl was referred to the hospital for evaluation and treatment of a perirectal mass which had first been noted at 2 weeks of age. Physical examination showed frontal bossing but no rash, hepatosplenomegaly, lymphadenopathy, or limitation of limb movement. A lateral radiograph of the right tibia showed severe periostitis. What is the diagnosis?
What is the most likely diagnosis?
Congenital syphilis, Infectious Disease, Pediatrics, Periostitis, Treponema pallidum
