Neurosyphilis: An underdiagnosed entity.

Neurosyphilis has various clinical manifestations depending upon the stage of illness. However, it is not readily considered a differential diagnosis in early onset dementia and behavioral disturbances. This case report describes a patient presenting with disorganized behavior and later diagnosed with dementia in which neurosyphilis was found causative. This is followed by a pragmatic review of the diagnosis and treatment options for neurosyphilis.