Symptomatic parkinsonism secondary to ipsilateral lesion is rarely reported. Although the contribution of the contralateral lesions was assumed in some cases, the pathomechanism remains undetermined. Herein we report a patient with a subdural hematoma, who developed parkinsonism in the ipsilateral hemibody. Structural and functional imaging suggests the contralateral dopaminergic dysfunction as the major culprit of apparently ipsilateral parkinsonism.

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• Secondary parkinsonism caused by chronic subdural hematomas owing to compressed cortex and a disturbed cortico–basal ganglia–thalamocortical circuit: illustrative case
  Masao Fukumura, Sho Murase, Yuzo Kuroda, Kazutomo Nakazawa, Yasufumi Gon
  Journal of Neurosurgery: Case Lessons.2021;[Epub]     CrossRef

Subdural hematoma is a rare cause of parkinsonism. We present the case of a 78-year-old man with right-side dominant parkinsonism about 3 months after a minor head injury. MRI reveals a chronic subdural hematoma on the left side with mildly displaced midline structures. The parkinsonian features were almost completely disappeared after neurosurgical evacuation of the hematoma without any anti-parkinson drug.

Citations

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• Systematic Review of Post-Traumatic Parkinsonism, an Emerging Parkinsonian Disorder Among Survivors of Traumatic Brain Injury
  Catherine Rojvirat, Gabriel R. Arismendi, Erin Feinstein, Maynard Guzman, Bruce A. Citron, Vedad Delic
  Neurotrauma Reports.2024; 5(1): 37.     CrossRef
• Parkinsonism-like features following reconstructive cranioplasty
  Mayank Tyagi, Charu Mahajan, Indu Kapoor, Hemanshu Prabhakar
  Neurological Sciences.2021; 42(4): 1591.     CrossRef
• Chronic subdural hematoma-induced parkinsonism: A systematic review
  Achmad Fahmi, Heru Kustono, Komang Sena Adhistira, Heri Subianto, Budi Utomo, Agus Turchan
  Clinical Neurology and Neurosurgery.2021; 208: 106826.     CrossRef
• Secondary parkinsonism caused by chronic subdural hematomas owing to compressed cortex and a disturbed cortico–basal ganglia–thalamocortical circuit: illustrative case
  Masao Fukumura, Sho Murase, Yuzo Kuroda, Kazutomo Nakazawa, Yasufumi Gon
  Journal of Neurosurgery: Case Lessons.2021;[Epub]     CrossRef