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KMID : 0361020160590090688
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Korean Journal of Otolaryngology - Head and Neck Surgery
2016 Volume.59 No. 9 p.688 ~ p.691
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AA Case of Extramedullary Relapsed Acute Promyelocytic Leukemia Presenting as a Mass in the External Auditory Canal
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Lee Seung-Chul
Lee Sang-Kuk
Lee Jong-Dae
By Davy
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Abstract
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Acute promyelocytic leukemia (APL) is a unique subtype of acute myelogenous leukemia for which complete remission is induced by using anticancer drugs with all-trans retinoic acid (ATRA). Extramedullary involvement at relapse is occasionally observed in patients with APL, and is said to be more common after treatment with ATRA. We describe a 35-year-old man who had a relapse due to a mass that developed in the external auditory canal after treatment with ATRA. He was successfully treated with arsenic trioxide and radiotherapy.
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KEYWORD
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Acute promyelocytic leukemia, External auditory canal, Relapse, Tumor
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