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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한자기공명의과학회 Investigative Magnetic Resonance Imaging Investigative Magnetic Resonance Imaging 제19권 제3호
- 발행연도
- 2015.1
- 수록면
- 153 - 161 (9page)
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초록· 키워드
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Purpose: To identify the differential MRI findings between myxoid tumors and benignperipheral nerve sheath tumors (BPNSTs) in the musculoskeletal system.
Materials and Methods: The study participants included a total of 35 consecutivepatients who underwent MRI between September 2011 and December 2013.
The patients were pathologically diagnosed with myxoid tumors (22 patients)or BPNSTs (13 patients). Evaluation was done by two radiologists, based on thefollowing characteristics: size, margin, degree of signal intensity (SI) on T2-weightedimages (T2WI), homogeneity of SI on T2WI, enhancement pattern, enhancementhomogeneity, presence of cystic portion, internal fat component, presence of fat splitsign, presence of target sign, presence of continuation with adjacent neurovascularbundle, and presence of surrounding halo.
Results: Large size, high SI on T2WI, heterogeneous enhancement, and internalfat component were commonly observed in myxoid tumors, while homogenousenhancement, fat split sign, target sign were common in BPNSTs. The differenceswere statistically significant (P < 0.05). Other findings, such as margin, homogeneityof SI on T2WI, enhancement pattern (peripheral or solid), internal cystic portion,continuation with neurovascular bundle, and surrounding halo, did not showsignificant difference between myxoid tumors and BPNSTs (P > 0.05).
Conclusion: In the differential diagnosis of myxoid tumors and BPNSTs involvingthe musculoskeletal system, several MRI findings such as degree of SI on T2WI,enhancement homogeneity, internal fat component, fat split sign, and target sign,may be helpful in establishing the diagnosis.
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참고문헌 (25)
참고문헌 신청
Banks KP / 2005 / The target sign: extremity / Radiology 234 : 899 ~ 900
Bermejo A / 2013 / MR imaging in the evaluation of cystic-appearing soft-tissue masses of the extremities / Radiographics 33 : 833 ~ 855
Chee DW / 2011 / Pictorial essay: imaging of peripheral nerve sheath tumours / Can Assoc Radiol J 62 : 176 ~ 182
Graadt van Roggen JF / 1999 / Myxoid tumours of soft tissue / Histopathology 35 : 291 ~ 312
Gustafson P / 1994 / Soft tissue sarcoma. Epidemiology and prognosis in 508 patients / Acta Orthop Scand Suppl 259 : 1 ~ 31
Bermejo A / 2013 / MR imaging in the evaluation of cystic-appearing soft-tissue masses of the extremities / Radiographics 33 : 833 ~ 855
Chee DW / 2011 / Pictorial essay: imaging of peripheral nerve sheath tumours / Can Assoc Radiol J 62 : 176 ~ 182
Graadt van Roggen JF / 1999 / Myxoid tumours of soft tissue / Histopathology 35 : 291 ~ 312
Gustafson P / 1994 / Soft tissue sarcoma. Epidemiology and prognosis in 508 patients / Acta Orthop Scand Suppl 259 : 1 ~ 31
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