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KMID : 1039520150190020108
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Journal of Audiology & Otology
2015 Volume.19 No. 2 p.108 ~ p.110
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Skin Flap Necrosis by Bone Marking with Methylene Blue in Cochlear Implantation
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Kim Yeon-Hoo
Cho Sung-Il
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Abstract
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One of surgical complications in cochlear implantation is the necrosis of the skin flap above the receiver-stimulator coil. We present a case of 55-year-old woman who underwent cochlear implantation and developed a bluish skin necrosis due to bone marking. The planned position for the receiver-stimulator was marked using methylene blue through skin to bone. She did not undergo skin flap thinning and underwent successful implantation with complete electrode insertion. Few weeks postoperatively, the patient developed bluish discoloration with progressive thick, blue eschar formation and skin flap necrosis. She subsequently underwent wound debridement and skin flap closure. Cochlear explantation was not necessary. Timely diagnosis and management about this complication is necessary to prevent further skin breakdown and subsequent device extrusion. This report identifies the marking using methylene blue as another possible source of skin flap necrosis in cochlear implantation, and surgeons should be aware of this potential complication.
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KEYWORD
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Cochlear implantation, Methylene blue, Skin, Necrosis, Postoperative complications
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