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Pediatrics and Neonatal Care

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Original Research Vol. 3, Issue 1 (2015)

Isolated Intracranial Relapse of Acute Myelocytic Leukemia (AML) Following 4 and 1/2 Years of Complete Remission

Faisal Niazi1, Susumu Inoue2*, Gagandeep Singh3, Nkechi Onwuzurike2, Elna Saah2 and Junaid Farooq1
Corresponding Author: Susumu Inoue
Received: Dec 31, 2014
Accepted: Mar 09, 2015
Published: Mar 12, 2015
Views: 12
DOI: 10.14437

Abstract

A seven year old Hispanic girl developed headache, backache and vomiting. A computed tomography showed 2 intracranial masses. A complete blood count was normal. Bone marrow aspiration showed hypoplastic but otherwise normal marrow. However, cerebrospinal fluid contained leukemic myeloblasts. Four and a half years earlier the patient had presented with an orbital mass, lethargy, and loss of appetite. MRI demonstrated a mass in left maxillary sinus extending to the left orbital cavity causing left proptosis. Bone marrow aspiration was diagnostic of Acute Myelogenous Leukemia (AML). She was treated with the standard AML chemotherapy regimen. Patient achieved complete remission and remained in remission during the subsequent 4 and a half years until the above event.  AML recurrence after 4 years of remission is rare. In addition this patient initially showed the recurrence only in the extramedullary site which is also unusual.  We postulate that the intracranial recurrence was due to late activation of latent leukemic cells that had seeded in the leptomeningeal space at the time of original presentation. Because of these 2 unusual aspects we wish to report this case.

 

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Susumu Inoue (2015), Isolated Intracranial Relapse of Acute Myelocytic Leukemia (AML) Following 4 and 1/2 Years of Complete Remission. Pediatr Neonatal Care Open Access 3:114
Copyright: Copyright: © 2015 PNCOA. This is an open-access article distributed under the terms of the Creative Commons Attribution License, Version 3.0, which permits
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