A Case of Myeloid Sarcoma Mimicking Otomastoiditis with Retroauricular Abscess
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Acute myelogenous leukemia (AML) is a type of cancer that typically involves intramedullary proliferation of myeloid precursor cells. Extramedullary manifestations of AML are exceedingly rare. They include myeloid sarcoma (chloroma), a disease in which extramedullary leukemia cells form a tumorous mass. Herein, we report a case of facial nerve paralysis that was caused by a myeloid sarcoma in the temporal bone. In this case, our preferred early differential diagnosis was otomastoiditis with retroauricular abscess; thus, the patient was scheduled for operative debridement and mastoidectomy. Further evaluation of the patient’s symptoms confirmed a diagnosis ofmyeloid sarcoma, thus obviating the need for any surgical interventions and instead requiring chemotherapy followed by radiotherapy.
Abstract
Acute myelogenous leukemia (AML) is a type of cancer that typically involves intramedullary proliferation of myeloid precursor cells. Extramedullary manifestations of AML are exceedingly rare. They include myeloid sarcoma (chloroma), a disease in which extramedullary leukemia cells form a tumorous mass. Herein, we report a case of facial nerve paralysis that was caused by a myeloid sarcoma in the temporal bone. In this case, our preferred early differential diagnosis was otomastoiditis with retroauricular abscess; thus, the patient was scheduled for operative debridement and mastoidectomy. Further evaluation of the patient’s symptoms confirmed a diagnosis ofmyeloid sarcoma, thus obviating the need for any surgical interventions and instead requiring chemotherapy followed by radiotherapy.
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