Yoon HY, Kim HM, Kim YJ, Song JW. Prevalence and incidence of sarcoidosis in Korea: a nationwide population-based study. Respir Res. 2018;19(1):158. https://doi.org/10.1186/s12931-018-0871-3.

Article  PubMed  PubMed Central  Google Scholar 

Pietinalho A, Hiraga Y, Hosoda Y, Löfroos AB, Yamaguchi M, Selroos O. The frequency of sarcoidosis in Finland and Hokkaido, Japan. A comparative epidemiological study. Sarcoidosis. 1995;12(1):61–7.

PubMed  CAS  Google Scholar 

Baughman RP, Field S, Costabel U, Crystal RG, Culver DA, Drent M, et al. Sarcoidosis in America. Analysis Based on Health Care Use. Ann Am Thorac Soc. 2016;13(8):1244–52. https://doi.org/10.1513/AnnalsATS.201511-760OC.

Article  PubMed  Google Scholar 

Ungprasert P, Matteson EL. Neurosarcoidosis. Rheum Dis Clin North Am. 2017;43(4):593–606. https://doi.org/10.1016/j.rdc.2017.06.008.

Article  PubMed  Google Scholar 

Dumas O, Abramovitz L, Wiley AS, Cozier YC, Camargo CA Jr. Epidemiology of sarcoidosis in a prospective cohort study of U.S. women. Ann Am Thorac Soc. 2016;13(1):67–71. https://doi.org/10.1513/AnnalsATS.201508-568BC.

Article  PubMed  PubMed Central  Google Scholar 

Rybicki BA, Major M, Popovich J Jr, Maliarik MJ, Iannuzzi MC. Racial differences in sarcoidosis incidence: a 5-year study in a health maintenance organization. Am J Epidemiol. 1997;145(3):234–41. https://doi.org/10.1093/oxfordjournals.aje.a009096.

Article  PubMed  CAS  Google Scholar 

Baughman RP, Teirstein AS, Judson MA, Rossman MD, Yeager H Jr, Bresnitz EA, et al. Clinical characteristics of patients in a case control study of sarcoidosis. Am J Respir Crit Care Med. 2001;164(10 Pt 1):1885–9. https://doi.org/10.1164/ajrccm.164.10.2104046.

Article  PubMed  CAS  Google Scholar 

Judson MA, Boan AD, Lackland DT. The clinical course of sarcoidosis: presentation, diagnosis, and treatment in a large white and black cohort in the United States. Sarcoidosis Vasc Diffuse Lung Dis: Off J WASOG. 2012;29(2):119–27.

CAS  Google Scholar 

Sharma SK, Mohan A, Guleria JS. Clinical characteristics, pulmonary function abnormalities and outcome of prednisolone treatment in 106 patients with sarcoidosis. J Assoc Physicians India. 2001;49:697–704.

PubMed  CAS  Google Scholar 

Lower EE, Broderick JP, Brott TG, Baughman RP. Diagnosis and management of neurological sarcoidosis. Arch Intern Med. 1997;157(16):1864–8.

Article  CAS  Google Scholar 

Ricker W, Clark M. Sarcoidosis; a clinicopathologic review of 300 cases, including 22 autopsies. Am J Clin Pathol. 1949;19(8):725–49. https://doi.org/10.1093/ajcp/19.8.725.

Article  PubMed  CAS  Google Scholar 

Manz HJ. Pathobiology of neurosarcoidosis and clinicopathologic correlation. Can J Neurol Sci. 1983;10(1):50–5. https://doi.org/10.1017/s0317167100044577.

Article  PubMed  CAS  Google Scholar 

Stern BJ, Krumholz A, Johns C, Scott P, Nissim J. Sarcoidosis and its neurological manifestations. Arch Neurol. 1985;42(9):909–17. https://doi.org/10.1001/archneur.1985.04060080095022.

Article  PubMed  CAS  Google Scholar 

Chapelon C, Ziza JM, Piette JC, Levy Y, Raguin G, Wechsler B, et al. Neurosarcoidosis: signs, course and treatment in 35 confirmed cases. Medicine. 1990;69(5):261–76.

Article  CAS  Google Scholar 

Joseph FG, Scolding NJ. Neurosarcoidosis: a study of 30 new cases. J Neurol Neurosurg Psychiatry. 2009;80(3):297–304. https://doi.org/10.1136/jnnp.2008.151977.

Article  PubMed  CAS  Google Scholar 

Zajicek JP, Scolding NJ, Foster O, Rovaris M, Evanson J, Moseley IF, et al. Central nervous system sarcoidosis–diagnosis and management. QJM: Mon J Assoc Phys. 1999;92(2):103–17. https://doi.org/10.1093/qjmed/92.2.103.

Article  CAS  Google Scholar 

Ferriby D, de Seze J, Stojkovic T, Hachulla E, Wallaert B, Destée A, et al. Long-term follow-up of neurosarcoidosis. Neurology. 2001;57(5):927–9. https://doi.org/10.1212/wnl.57.5.927.

Article  PubMed  CAS  Google Scholar 

Stern BJ, Aksamit A, Clifford D, Scott TF. Neurologic presentations of sarcoidosis. Neurol Clin. 2010;28(1):185–98. https://doi.org/10.1016/j.ncl.2009.09.012.

Article  PubMed  Google Scholar 

• Fritz D, Timmermans WMC, van Laar JAM, van Hagen PM, Siepman TAM, van de Beek D et al. Infliximab treatment in pathology-confirmed neurosarcoidosis. Neurol(R) Neuroimmunol Neuroinflammation. 2020; 7(5). https://doi.org/10.1212/nxi.0000000000000847. This study demonstrates a role for infliximab in difficult to treat NS.

Pawate S, Moses H, Sriram S. Presentations and outcomes of neurosarcoidosis: a study of 54 cases. QJM: Mon J Assoc Phys. 2009;102(7):449–60. https://doi.org/10.1093/qjmed/hcp042.

Article  CAS  Google Scholar 

Joubert B, Chapelon-Abric C, Biard L, Saadoun D, Demeret S, Dormont D, et al. Association of prognostic factors and immunosuppressive treatment with long-term outcomes in neurosarcoidosis. JAMA Neurol. 2017;74(11):1336–44. https://doi.org/10.1001/jamaneurol.2017.2492.

Article  PubMed  PubMed Central  Google Scholar 

Herring AB, Urich H. Sarcoidosis of the central nervous system. J Neurol Sci. 1969;9(3):405–22. https://doi.org/10.1016/0022-510x(69)90086-0.

Article  PubMed  CAS  Google Scholar 

Meyer JS, Foley JM, Campagna-Pinto D. Granulomatous angiitis of the meninges in sarcoidosis. AMA Arch Neurol Psychiatry. 1953;69(5):587–600. https://doi.org/10.1001/archneurpsyc.1953.02320290039005.

Article  PubMed  CAS  Google Scholar 

Reske-Nielsen E, Harmsen A. Periangiitis and panangiitis as a manifestation of sarcoidosis of the brain: report of a case. J Nerv Ment Dis. 1962;135:399–412. https://doi.org/10.1097/00005053-196211000-00003.

Article  PubMed  CAS  Google Scholar 

Sohn M, Culver DA, Judson MA, Scott TF, Tavee J, Nozaki K. Spinal cord neurosarcoidosis. Am J Med Sci. 2014;347(3):195–8. https://doi.org/10.1097/MAJ.0b013e3182808781.

Article  PubMed  Google Scholar 

•• Stern BJ, Royal W 3rd, Gelfand JM, Clifford DB, Tavee J, Pawate S, et al. Definition and Consensus Diagnostic Criteria for Neurosarcoidosis: From the Neurosarcoidosis Consortium Consensus Group. JAMA Neurol. 2018;75(12):1546–53. https://doi.org/10.1001/jamaneurol.2018.2295. The most recent update of consensus criteria for the diagnosis of NS. Includes clinical presentations, patient assessment, histopathology and diagnostic testing.

Article  PubMed  Google Scholar 

Said G, Lacroix C, Planté-Bordeneuve V, Le Page L, Pico F, Presles O, et al. Nerve granulomas and vasculitis in sarcoid peripheral neuropathy: a clinicopathological study of 11 patients. Brain: J Neurol. 2002;125(Pt 2):264–75. https://doi.org/10.1093/brain/awf027.

Article  Google Scholar 

Miller R, Sheron N, Semple S. Sarcoidosis presenting with an acute Guillain-Barré syndrome. Postgrad Med J. 1989;65(768):765–7. https://doi.org/10.1136/pgmj.65.768.765.

Article  PubMed  PubMed Central  CAS  Google Scholar 

Bathla G, Singh AK, Policeni B, Agarwal A, Case B. Imaging of neurosarcoidosis: common, uncommon, and rare. Clin Radiol. 2016;71(1):96–106. https://doi.org/10.1016/j.crad.2015.09.007.

Article  PubMed  CAS  Google Scholar 

Dubey D, Pittock SJ, Krecke KN, Morris PP, Sechi E, Zalewski NL, et al. Clinical, radiologic, and prognostic features of myelitis associated with myelin oligodendrocyte glycoprotein autoantibody. JAMA Neurol. 2019;76(3):301–9. https://doi.org/10.1001/jamaneurol.2018.4053.

Article  PubMed  Google Scholar 

Shah R, Roberson GH, Curé JK. Correlation of MR imaging findings and clinical manifestations in neurosarcoidosis. AJNR Am J Neuroradiol. 2009;30(5):953–61. https://doi.org/10.3174/ajnr.A1470.

Article  PubMed  PubMed Central  CAS  Google Scholar 

Perry A, Brat DJ. Practical surgical neuropathology: a diagnostic approach. Second Edition ed. Philadelphia: Elsevier; 2018.

Silverstein A, Siltzbach LE. Muscle involvement in sarcoidosis. Asymptomatic, myositis, and myopathy. Arch Neurol. 1969;21(3):235–41. https://doi.org/10.1001/archneur.1969.00480150025002.

Article  PubMed  CAS  Google Scholar 

Stjernberg N, Cajander S, Truedsson H, Uddenfeldt P. Muscle involvement in sarcoidosis. Acta Med Scand. 1981;209(3):213–6. https://doi.org/10.1111/j.0954-6820.1981.tb11579.x.

Article  PubMed  CAS  Google Scholar 

Goebel HH, Sewry CA, Weller RO. Muscle Disease: Pathology and Genetics. 2nd Edition ed. Wiley-Blackwell; 2013.

Wengert O, Rothenfusser-Korber E, Vollrath B, Bohner G, Scheibe F, Otto C, et al. Neurosarcoidosis: correlation of cerebrospinal fluid findings with diffuse leptomeningeal gadolinium enhancement on MRI and clinical disease activity. J Neurol Sci. 2013;335(1–2):124–30. https://doi.org/10.1016/j.jns.2013.09.008.

Article  PubMed  Google Scholar 

Oksanen V. Neurosarcoidosis: clinical presentations and course in 50 patients. Acta Neurol Scand. 1986;73(3):283–90. https://doi.org/10.1111/j.1600-0404.1986.tb03277.x.

Article  PubMed  CAS  Google Scholar 

Bridel C, Courvoisier DS, Vuilleumier N, Lalive PH. Cerebrospinal fluid angiotensin-converting enzyme for diagnosis of neurosarcoidosis. J Neuroimmunol. 2015;285:1–3. https://doi.org/10.1016/j.jneuroim.2015.05.020.

Article  PubMed  CAS  Google Scholar 

Chopra A, Kalkanis A, Judson MA. Biomarkers in sarcoidosis. Expert Rev Clin Immunol. 2016;12(11):1191–208. https://doi.org/10.1080/1744666x.2016.1196135.

Article  PubMed  CAS  Google Scholar 

Arun T, Pattison L, Palace J. Distinguishing neurosarcoidosis from multiple sclerosis based on CSF analysis: A retrospective study. Neurology. 2020;94(24):e2545–54. https://doi.org/10.1212/wnl.0000000000009491.

Article  PubMed  CAS