Unmasking the hidden culprit: neurosyphilis mimicking parkinsonism in a middle-aged male

This case illustrates a rare manifestation of neurosyphilis, specifically parkinsonism. The diagnostic process was complicated by several confounding factors. As neurosyphilis is known as the "great imitator," capable of mimicking various neuropsychiatric disorders, routine syphilis screening is imperative for patients presenting with mental disorders and parkinsonian symptoms to facilitate early diagnosis and enhance prognosis.