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Case Reports in Surgery
Volume 2017, Article ID 3056285, 6 pages
Case Report

Intracranial Myeloid Sarcoma Metastasis Mimicking Acute Subdural Hematoma

1Heera Neurosurgical Associates, 17075 Devonshire St., Suite 101, Northridge, CA, USA
2University of California, Riverside, Riverside, CA, USA
3University of California, Irvine, Irvine, CA, USA
4Riverside Community Hospital, Riverside, CA, USA

Correspondence should be addressed to Amandip S. Gill; moc.liamg@lligspidnama

Received 24 May 2017; Revised 2 August 2017; Accepted 15 August 2017; Published 22 October 2017

Academic Editor: Eiichi Ishikawa

Copyright © 2017 Amandip S. Gill et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Myeloid sarcoma, a rare consequence of myeloproliferative disorders, is rarely seen in the central nervous system, most commonly in the pediatric population. Although there are a handful of case reports detailing initial presentation of CNS myeloid sarcoma in the adult population, we have been unable to find any reports of CNS myeloid sarcoma presenting as a large mass lesion in a herniating patient. Here, we present the case of a patient transferred to our facility for a very large subdural hematoma. Based on imaging characteristics, it was felt to be a spontaneous hematoma secondary to coagulopathy. No coagulopathy was found. Interestingly, he did have a history of acute myeloid leukemia (AML) diagnosed 2 months previously, and intraoperatively he was found to have a confluent white mass invading both the subdural and subarachnoid spaces. There was minimal associated hemorrhage and final pathology showed myeloid sarcoma. This is the first report we are aware of in which CNS myeloid sarcoma presented as a subdural metastasis and also the first report in which we are aware of this etiology causing a herniation syndrome secondary to mass effect.