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논문 기본 정보

자료유형
학술저널
저자정보
Jang, Su-Jin (Department of Nuclear Medicine, Seoul National University Hospital, Seoul National University School of Medicine) Choi, Joon-Young (Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkawn University School of Medicine) Sung, Duk-Hyun (Department of Physical Medicine and Rehabilitation, Samsung Medical Center, Sungkyunkawn University School of Medicine) Park, Kwang-Hong (Department of Physical Medicine and Rehabilitation, Samsung Medical Center, Sungkyunkawn University School of Medicine) Lee, Ji-Young (Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkawn University School of Medicine) Cho, Sook-Kyung (Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkawn University School of Medicine) Yu, Jang (Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkawn University School of Medicine) Lee, Kyung-Han (Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkawn University School of Medicine) Kim, Byung-Tae (Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkawn University School of Medicine)
저널정보
대한핵의학회 Nuclear medicine and molecular imaging : NMMI Nuclear medicine and molecular imaging : NMMI 제44권 제1호
발행연도
2010.1
수록면
33 - 38 (6page)

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Purpose This study was conducted to compare $^{18}F$-FDG PET/CT and electromyography (EMG) mapping in patients with primary cervical dystonia (PCD) to find dystonic superficial cervical muscles. Methods Ten consecutive patients with PCD (M:F=5:5, age $44{\pm}13$ years) whose dystonic posture was not relieved with conventional muscle relaxant therapy were included. Target cervical muscles for the comparison between $^{18}F$-FDG PET/CT and EMG mapping were four representative superficial bilateral cervical muscles: splenius capitis muscle, sternocleidomstoid muscle, upper trapezius muscle, and leavator scapulae muscle. The diagnostic efficacy was compared between $^{18}F$-FDG PET/CT and EMG mapping using physical exam and measurement of rotation angle as the gold standard. Results Among 80 muscles evaluated, there were 21 (26%) dystonic superficial cervical muscles assessed with physical exam and motion analysis. The sensitivity, specificity, and accuracy for localizing dystonic muscles were 76, 92, and 88% for $^{18}F$-FDG PET/CT, and 95, 66, and 74% for EMG mapping, respectively. The sensitivity of EMG mapping was significantly higher than that of $^{18}F$-FDG PET/CT. In contrast, $^{18}F$-FDG PET/CT was significantly superior to EMG mapping for specificity and accuracy. Conclusions $^{18}F$-FDG PET/CT is more specific and accurate than EMG mapping for finding superficial dystonic cervical muscles. The high sensitivity of EMG mapping suggests that $^{18}F$-FDG PET/CT and EMG mapping are complementary for finding dystonic superficial cervical muscles.

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