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KMID : 0358820110380010089
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Journal of Korean Society of Plastic and Reconstructive Surgeons
2011 Volume.38 No. 1 p.89 ~ p.92
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A Case of Chronically Exposed Dura Following Electrical Scalp Burn
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Lim Tae-Geun
Hur Gi-Yeun
Chang Hak
Lee Dong-Lark
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Abstract
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Purpose: Electrical burn of scalp is uncommon. Much more, chronically exposed dura in unstable burn scar is quite exceptional. Hence, we report a case of chronically exposed dura following electrical burn.
Methods: A 63-year-old man presented with an about 40 years history of an ulcerative lesion arising from electrical burn scar with ’squeeze like sensation’ around wound. Wound was about cm. Area in the center was cm nonviable dura without sequestrum. Tangential excision with an intraoperative neurosurgical consultation and transposition flap under general anesthesia was done. Intraoperative biopsy was done. The wound was diagnosed as chronic osteomyelitis, not Marjolin ulcer. Flap was taken successfully. But after 5 days, infectious discharge had been appeared during 2 weeks, despite irrigation and drainage. As flap was re-evaluated, we could see remnant necrotic dura. After that, latissimus dorsi muscle free flap with meshed split thickness skin graft was transferred without excision of necrotic dura.
Results: Flap was taken successfully. Follow-up at 10 weeks has been uneventful, with good and stable coverage of the wound.
Conclusion: It is true that complete excision of devitalized tissue with sagittal sinus obliteration is prerequisite to flap taken. But necrotic dura was tangentially excised instead of total dura excision, because, posterior two-thirds of the sagittal sinus was involved underneath. Muscle is rich in blood vessels and decrease the recipient-site bacterial count effectively. In this case, muscle flap with skin graft without total dura excision is an alternative treatment.
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KEYWORD
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Dura mater, Chronic, Electric burn, Latissimus dorsi, Muscle flap
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