Magnetic resonance (MR) imaging (MRI) has the advantage of demonstrating lesions not visualized by other radiologic modalities. We present a case involving pediatric malignancy where MR-guided bone biopsy confirmed correct histologic diagnosis and was used to plan additional treatment. A 2-year, 9-month-old boy had a history of spontaneous regression of stage 4S neuroblastoma. 123I-metaiodobenzylguanidine scintigraphy showed a hot spot at his right lower leg; however, neither plain radiograph 99mTc diphosphonate bone scan was positive. Only MRI depicted a lesion at the distal third of his right tibia, and a subsequent MR-guided bone biopsy was diagnostic of bone marrow metastasis. After 6 courses of intensive chemotherapy, he has been in complete remission. MR-guided biopsy technique is likely to be particularly useful for the resection of invisible metastatic lesions, especially those that are only visible using MRI.
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January 2002
Electronic Article|
January 01 2002
Use of Real-Time Magnetic Resonance Guidance to Assist Bone Biopsy in Pediatric Malignancy
Shigeru Ueno, MD;
Shigeru Ueno, MD
*Department of Pediatric Surgery, Tokai University, School of Medicine, Kanagawa, Japan
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Seishichi Yokoyama, MD;
Seishichi Yokoyama, MD
*Department of Pediatric Surgery, Tokai University, School of Medicine, Kanagawa, Japan
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Hitoshi Hirakawa, MD;
Hitoshi Hirakawa, MD
*Department of Pediatric Surgery, Tokai University, School of Medicine, Kanagawa, Japan
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Hiromasa Yabe, MD;
Hiromasa Yabe, MD
‡Department of Pediatrics, Tokai University, School of Medicine, Kanagawa, Japan
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Yutaka Suzuki, MD;
Yutaka Suzuki, MD
§Department of Radiology, Tokai University, School of Medicine, Kanagawa, Japan
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Hideki Atsumi, MD;
Hideki Atsumi, MD
∥Department of Neurosurgery, Tokai University, School of Medicine, Kanagawa, Japan
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Mitsunori Matsumae, MD
Mitsunori Matsumae, MD
∥Department of Neurosurgery, Tokai University, School of Medicine, Kanagawa, Japan
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Reprint requests to (S.U.) Department of Surgery (Pediatric Surgery), Tokai University, School of Medicine Bohseidai, Isehara-shi, Kanagawa, Japan 259-1193. E-mail: uenois.icc.u-tokai.ac.jp
Pediatrics (2002) 109 (1): e18.
Article history
Received:
July 19 2001
Accepted:
September 20 2001
Citation
Shigeru Ueno, Seishichi Yokoyama, Hitoshi Hirakawa, Hiromasa Yabe, Yutaka Suzuki, Hideki Atsumi, Mitsunori Matsumae; Use of Real-Time Magnetic Resonance Guidance to Assist Bone Biopsy in Pediatric Malignancy. Pediatrics January 2002; 109 (1): e18. 10.1542/peds.109.1.e18
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