not-yet-known not-yet-known not-yet-known unknown References: Aghemo, K., Salmanzadeh, R., DeAngelo, O., & Salmanzadeh, A. M. (2023). Advanced Early-Onset Fahr’s Disease: A Case Report. Cureus, 15(5). Amisha, F. and S. Munakomi (2023). Fahr syndrome. StatPearls [Internet], StatPearls Publishing. Asokan, A. G., et al. (2013). ”Fahr’s syndrome-an interesting case presentation.” Journal of Clinical and Diagnostic Research: JCDR 7 (3): 532. Bhandari, S., et al. (2023). ”Fahr’s syndrome with hypoparathyroidism, thrombocytopenia, and seizure: a rare case report.” Annals of Medicine and Surgery 85 (8): 4131-4133.Naqvi, S., Arshad, S., Hanif, R., & Elfert, K. A. H. (2017). Fahr’s syndrome misdiagnosed as schizophrenia: a case report. Cureus, 9(3).Palu, G., Moraes, S. T., Romaniello, G., Zatorre, L. O., Seixas, L. K., Miyazima, R., & Marques, G. L. (2021). Could Fahr’s Syndrome Have More Than One Simultaneous Etiology?. Cureus , 13 (12).Perugula, M. L. and S. Lippmann (2016). ”Fahr’s disease or Fahr’s syndrome?” Innovations in clinical neuroscience 13 .Pistacchi, M., Gioulis, M., Sanson, F., & Marsala, S. Z. (2016). Fahr’s syndrome and clinical correlation: a case series and literature review. Folia neuropathologica, 54(3), 282-294.Rissardo, J. P., Caprara, A. L. F., & Silveira, J. O. F. (2019). Fahr’s Disease Presenting with Pure Dementia: A Case Report and Literature Review. Apollo Medicine , 16 (4), 236-239.Rücker, M., Halder, W., Kofler, M., Ehling, R., & Brenneis, C. (2019). Levodopa-responsive dystonia and parkinsonism in Fahr syndrome. Neurology: Clinical Practice, 9(6), 527-529. Video1. Manifestations of parkinsonism and dystonia in the initial examination.