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Journal of the Korean Society of Plastic and Reconstructive Surgeons 2011;38(2):194-198.
Published online March 1, 2011.
C-arm Guided Surgical Excision of Heterotopic Calcification.
Hwan Jun Choi, Yim Don Choi, Nae Kyeong Park, Yong Bae Kim
1Department of Plastic and Reconstructive Surgery, College of Medicine, Soonchunhyang University, Cheonan, Korea. medi619@hanmail.net
2Department of General Surgery, College of Medicine, Soonchunhyang University, Cheonan, Korea.
Heterotopic calcification is the abnormal deposition of calcium salts in tissues other than bone and enamel, and it occurs in the form of dystrophic calcification or metastatic calcification. This deposition can occur under many conditions, but in some rare cases, it may develop in burns and nonhealed scars. It is difficult to treat the combination of heterotopic calcification and ulceration in scar tissues by using conservative therapy and to determine the margin of excision in such cases. Our study proposes the use of intraoperative C-arm-guided mapping of lesions with heterotopic calcification, and adequate excision of ulcers in chronic scars where heterotopic calcification is also observed. METHODS: This study included 2 patients and was conducted from January 2010 to July 2010. The first patient was a 63-year-old woman who presented with atypical calcium deposits and chronic ulceration in the lower one-third region of the right leg. The second patient was a 38-year-old man who presented with a nonhealing ulcer that had developed on the right leg 3 months earlier he had a history of 40% scalding burns on the entire body. Surgery is the most reliable method for treating heterotopic calcification therefore, both patients were treated using intraoperative C-arm-guided marginal mapping of heterotopic calcification, followed by release of contracture, and eventually split-thickness skin grafting.
Plain radiographs of the leg showed spotty radiopaque areas in the hard part of the scar well superficial to the underlying bones. Histopathological analysis revealed multiple foci of calcified deposits, increased fibrosis, and inflammation in the scar tissue. Surgery-related complications were not observed.
C-arm guided excision of calcified scars and the release of contracture can cure nonhealing ulcers and may therefore prevent recalcification.
Keywords: Heterotopic ossification; Calcification; Burn scar; Skin graft
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