• Anzhela D Moskalik, Melanie R Graber, Santhanam Lakshminarayanan, and Ketan R Bulsara.
• University of Connecticut School of Medicine, University of Connecticut School of Medicine, Farmington, Connecticut, USA.
• World Neurosurg. 2020 Jul 1; 139: 253-259.

BackgroundSarcoidosis is a granulomatous disease most often affecting the lungs, but extrapulmonary manifestations are also common. While virtually any organ system can be involved, skeletal manifestations are present in 1%-13% of cases. Skull lesions are even more rare. We found 14 case reports describing symptomatic skull lesions in patients with no prior history of sarcoid to better understand the symptomology and disease progression.Case DescriptionHere we present the case of a 57-year-old female with history of sarcoidosis and new-onset forgetfulness, confusion, and headaches who was found to have multiple skull lesions with epidural extension. On histopathologic examination of the excised lesion, noncaseating granulomas were observed and diagnoses of skull sarcoidosis and neurosarcoid were made. Since the patient was actively treated with corticosteroids, the plan was to initiate infliximab.ConclusionSarcoidosis affecting the skull and central nervous system is exceedingly rare and can mimic many pathologies including metastatic bone disease, multiple myeloma, and eosinophilic granulomatosis. With a wide differential, surgical specimen is needed for concrete diagnosis and treatment. While the rates of skeletal involvement are low, a skeletal survey might be an important step in monitoring disease burden in patients, especially as lesions can be asymptomatic.Copyright © 2020 Elsevier Inc. All rights reserved.

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