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Characteristic MRI Findings of Spinal Metastases from Various Primary Cancers: Retrospective Study of Pathologically-Confirmed Cases

Other Titles
 다양한 원발성 암의 척추전이 병변의 특징적인 자기공명영상 소견들:병리학적으로 확인된 병변들의 후향적인 분석 
Authors
 Chansik An  ;  Young Han Lee  ;  Sungjun Kim  ;  Hee Woo Cho  ;  Jin-Suck Suh  ;  Ho-Taek Song 
Citation
 Journal of the Korean Society of Magnetic Resonance in Medicine (대한자기공명의과학회지), Vol.17(1) : 8-18, 2013 
Journal Title
 Journal of the Korean Society of Magnetic Resonance in Medicine (대한자기공명의과학회지) 
ISSN
 1226-9751 
Issue Date
2013
Keywords
Spine ; Magnetic resonance imaging ; Metastasis
Abstract
Purpose The purpose of this study was to find and categorize the various magnetic resonance imaging (MRI) findings of spinal metastases that correlate with the type of primary cancer. Materials and Methods We retrospectively reviewed gadolinium-enhanced magnetic resonance images of 30 patients with 169 spinal metastatic lesions from lung cancer (n = 56), breast cancer (n = 29), colorectal cancer (n = 20), hepatocellular carcinoma (HCC) (n = 17), and stomach cancer (n = 47). The size, location, extent of invasion, signal intensity, margin, enhancement pattern, and osteoblastic or osteolytic characteristics of each metastatic tumor were analyzed. Results The metastatic lesions from HCC were larger than those from the other primary tumors (P < 0.05) except for colorectal cancer (P = 0.268). Well-defined metastatic tumor margins were more frequently seen in lung cancer and breast cancer (P < 0.01). All but HCC showed a tendency to invade the vertebral body rather than the posterior elements (P < 0.02). Colorectal cancer and HCC showed a tendency toward extraosseous invasion without statistical significance. HCC showed a characteristic enhancement pattern of 'worms-in-a-bag'. Rim enhancement with a sclerotic center was only seen in spinal metastases from stomach cancer. Conclusion Despite many overlapping imaging features, spinal metastases of various primary tumors display some characteristic MRI findings that can help identify the primary cancer.
Files in This Item:
T201304478.pdf Download
DOI
10.13104/jksmrm.2013.17.1.8
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sungjun(김성준) ORCID logo https://orcid.org/0000-0002-7876-7901
Suh, Jin Suck(서진석) ORCID logo https://orcid.org/0000-0001-9455-9240
Song, Ho Taek(송호택) ORCID logo https://orcid.org/0000-0002-6655-2575
Lee, Young Han(이영한) ORCID logo https://orcid.org/0000-0002-5602-391X
Cho, Hee Woo(조희우) ORCID logo https://orcid.org/0000-0002-5079-6954
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/88676
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