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Comparative study of fluorodeoxyglucose positron emission tomography and magnetic resonance imaging for the detection of spinal bone marrow infiltration in untreated patients with multiple myeloma

 J. HUR  ;  C.-S. YOON  ;  Y. HOON RYU  ;  M. J. YUN  ;  J.-S. SUH 
 ACTA RADIOLOGICA, Vol.49(4) : 427-435, 2008 
Journal Title
Issue Date
Aged ; Algorithms ; Bone Marrow/pathology* ; Contrast Media ; Female ; Fluorodeoxyglucose F18* ; Gadolinium DTPA ; Humans ; Image Interpretation, Computer-Assisted ; Magnetic Resonance Imaging* ; Male ; Middle Aged ; Multiple Myeloma/diagnosis* ; Multiple Myeloma/diagnostic imaging* ; Positron-Emission Tomography* ; Radiopharmaceuticals* ; Sensitivity and Specificity ; Spinal Neoplasms/diagnosis* ; Spinal Neoplasms/diagnostic imaging*
Fluorodeoxyglucose positron emission tomography (FDG-PET) ; magnetic resonance imaging (MRI) ; multiple myeloma ; spine
BACKGROUND: The presence and extent of osteolytic bone lesions in untreated patients with multiple myeloma are important factors in the staging of the disease, and the extent of bone lesions in multiple myeloma cases significantly influences decisions regarding therapy. Recently, fluorodeoxyglucose positron emission tomography (FDG-PET) and magnetic resonance imaging (MRI) have been used to detect bone marrow involvement in patients with multiple myeloma. PURPOSE: To compare the efficacy of FDG-PET and MRI for the detection of bone marrow infiltration into the spine in untreated patients with multiple myeloma. MATERIAL AND METHODS: Twenty-two patients with multiple myeloma underwent both FDG-PET and spine MRI. The examined spinal regions by MRI included 21 thoracic and lumbar spines, one lumbar spine, and 12 cervical spines. The following imaging sequences were performed: T1-weighted spin-echo MRI with and without fat suppression, and T2-weighted spin-echo MRI in the sagittal plane. In the patients with bone marrow abnormalities, an additional contrast-enhanced T1-weighted spin-echo MR image and a fat-suppressed T1-weighted spin-echo MR image were obtained. Patients were divided into three groups on the basis of the criteria defined by Durie and Salmon: stage I (n=9), stage II (n=3), and stage III (n=10). The number and location of lesions detected in both FGD-PET and MRI were recorded, and the lesions were compared using the McNemar test. Bone marrow biopsy results, the patient's clinical examinations, and other imaging findings (MRI, FDG-PET, etc.) were used as references. RESULTS: In stages I and II (37 lesions in 12 patients), FDG-PET and MRI detected lesions in 78% (29 of 37 lesions) and 86% (32 of 37 lesions), respectively. However, the difference between the abilities of FDG-PET and MRI to detect lesions was not statistically significant (P=0.317). In stage III (101 lesions in 10 patients), FDG-PET and MRI detected lesions in 80% (81 of 101 lesions) and 92% (93 of 101 lesions), respectively. The difference between the abilities of FDG-PET and MRI to detect lesions was statistically significant (P=0.038). CONCLUSION: MRI is superior to FDG-PET in detecting bone marrow involvement in the spine of patients with advanced multiple myeloma.
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1. College of Medicine (의과대학) > Dept. of Nuclear Medicine (핵의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Suh, Jin Suck(서진석) ORCID logo https://orcid.org/0000-0001-9455-9240
Ryu, Young Hoon(유영훈) ORCID logo https://orcid.org/0000-0002-9000-5563
Yun, Mi Jin(윤미진) ORCID logo https://orcid.org/0000-0002-1712-163X
Yoon, Choon Sik(윤춘식) ORCID logo https://orcid.org/0000-0003-2010-6710
Hur, Jin(허진) ORCID logo https://orcid.org/0000-0002-8651-6571
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