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자료유형
학술저널
저자정보
Lim, Seok-Tae (Department of Nuclear Medicine, Chonbuk National University Medical School) Park, Soon-Ah (Department of Nuclear Medicine, Chonbuk National University Medical School) Sohn, Myung-Hee (Department of Nuclear Medicine, Chonbuk National University Medical School) Yim, Chang-Yeol (Department of Internal Medicine, Chonbuk National University Medical School)
저널정보
대한핵의학회 대한핵의학회지 대한핵의학회지 제34권 제5호
발행연도
2000.1
수록면
436 - 437 (2page)

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A 63-year-old male who had subtotal gastrectomy for early gastric cancer three months ago underwent Tc-99m bone scintigraphy for the evaluation of skeletal metastases. He had no symptoms such as fever, tenderness, or wound discharge. On physical examination, the surgical scat along the midline of the upper abdomen had keloid formation and there was no radiographic evidence of calcification. Bone scintigraphy (Fig. 1A & 1B) demonstrated all unusual linear increased uptake along the midline of the upper abdomen that corresponded to the,skin incision for subtotal gastrectomy. Usually, an incisional scar will not be visualized in Tc-99m methylene diphosphate (MDP) scintigraphy beyond two weeks after surgery.$^{1)}$ Upon reviewing the literature, there were only a few reports where localization of Tc-99m MDP in surgical scars were found two months after surgery.$^{2)}$ It was also reported that a few cases with Tc-99m MDP uptake in the keloid scar developed after surgery. Although there are several potential mechanisms that may explain the uptake of Tc-99m MDP in scar tissue, the primary mechanism in older scars is suggested to be a result of pathological calcification.$^{2)}$ Siddiqui et al$^{3)}$ suggested it could be due to microscopic calcification in small resolving hematomas. However, the primary mechanism in keloid scar is not well-known. We should obtain oblique or lateral views to differentiate the uptake in healing surgical scars from the artifactual uptake.

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