Differentiation of soft tissue benign and malignant peripheral nerve sheath tumors with magnetic resonance imaging

Chao Shiang Li; Guo Shu Huang; Hong Da Wu; Wei Tsung Chen; Li Sun Shih; Jiunn Ming Lii; Shyi Jye Duh; Ran Chou Chen; Hsing Yang Tu; Wing P. Chan

doi:10.1016/j.clinimag.2007.05.006

Differentiation of soft tissue benign and malignant peripheral nerve sheath tumors with magnetic resonance imaging

Chao Shiang Li, Guo Shu Huang, Hong Da Wu, Wei Tsung Chen, Li Sun Shih, Jiunn Ming Lii, Shyi Jye Duh, Ran Chou Chen, Hsing Yang Tu, Wing P. Chan

研究成果: 雜誌貢獻 › 文章 › 同行評審

103 引文斯高帕斯（Scopus）

摘要

Purpose: The objective of this study was to differentiate the magnetic resonance (MR) imaging appearance of benign peripheral nerve sheath tumors (PNSTs) from that of malignant PNSTs. Materials and methods: Twenty-six patients who underwent MR imaging and had a histologic diagnosis of benign (schwannoma, n=16; neurofibroma, n=1) or malignant (n=9) PNST were retrospectively reviewed. The size, location, shape, margin, and signal intensities of the tumors on precontrast and gadolinium-enhanced MR imaging were analyzed. In each patient, the presence or absence of split fat, target, and fascicular signs was determined. Results: The mean size of the benign PNSTs (3.4 cm, S.D.=2.5 cm) was significantly smaller than that of the malignant tumors (8.2 cm, S.D.=3.1 cm) (P1-weighted, T₂-weighted, and contrast-enhanced MR images. The split fat and target signs were present more frequently in the benign PNSTs than in the malignant PNSTs (P

原文	英語
頁（從 - 到）	121-127
頁數	7
期刊	Clinical Imaging
卷	32
發行號	2
DOIs	https://doi.org/10.1016/j.clinimag.2007.05.006
出版狀態	已發佈 - 3月 2008

ASJC Scopus subject areas

放射學、核子醫學和影像學

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10.1016/j.clinimag.2007.05.006

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title = "Differentiation of soft tissue benign and malignant peripheral nerve sheath tumors with magnetic resonance imaging",

abstract = "Purpose: The objective of this study was to differentiate the magnetic resonance (MR) imaging appearance of benign peripheral nerve sheath tumors (PNSTs) from that of malignant PNSTs. Materials and methods: Twenty-six patients who underwent MR imaging and had a histologic diagnosis of benign (schwannoma, n=16; neurofibroma, n=1) or malignant (n=9) PNST were retrospectively reviewed. The size, location, shape, margin, and signal intensities of the tumors on precontrast and gadolinium-enhanced MR imaging were analyzed. In each patient, the presence or absence of split fat, target, and fascicular signs was determined. Results: The mean size of the benign PNSTs (3.4 cm, S.D.=2.5 cm) was significantly smaller than that of the malignant tumors (8.2 cm, S.D.=3.1 cm) (P1-weighted, T2-weighted, and contrast-enhanced MR images. The split fat and target signs were present more frequently in the benign PNSTs than in the malignant PNSTs (P",

keywords = "Fascicular sign, Magnetic resonance (MR) imaging, Peripheral nerve sheath tumor, Split fat sign, Target sign",

author = "Li, {Chao Shiang} and Huang, {Guo Shu} and Wu, {Hong Da} and Chen, {Wei Tsung} and Shih, {Li Sun} and Lii, {Jiunn Ming} and Duh, {Shyi Jye} and Chen, {Ran Chou} and Tu, {Hsing Yang} and Chan, {Wing P.}",

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doi = "10.1016/j.clinimag.2007.05.006",

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T1 - Differentiation of soft tissue benign and malignant peripheral nerve sheath tumors with magnetic resonance imaging

AU - Li, Chao Shiang

AU - Huang, Guo Shu

AU - Wu, Hong Da

AU - Chen, Wei Tsung

AU - Shih, Li Sun

AU - Lii, Jiunn Ming

AU - Duh, Shyi Jye

AU - Chen, Ran Chou

AU - Tu, Hsing Yang

AU - Chan, Wing P.

PY - 2008/3

Y1 - 2008/3

N2 - Purpose: The objective of this study was to differentiate the magnetic resonance (MR) imaging appearance of benign peripheral nerve sheath tumors (PNSTs) from that of malignant PNSTs. Materials and methods: Twenty-six patients who underwent MR imaging and had a histologic diagnosis of benign (schwannoma, n=16; neurofibroma, n=1) or malignant (n=9) PNST were retrospectively reviewed. The size, location, shape, margin, and signal intensities of the tumors on precontrast and gadolinium-enhanced MR imaging were analyzed. In each patient, the presence or absence of split fat, target, and fascicular signs was determined. Results: The mean size of the benign PNSTs (3.4 cm, S.D.=2.5 cm) was significantly smaller than that of the malignant tumors (8.2 cm, S.D.=3.1 cm) (P1-weighted, T2-weighted, and contrast-enhanced MR images. The split fat and target signs were present more frequently in the benign PNSTs than in the malignant PNSTs (P

AB - Purpose: The objective of this study was to differentiate the magnetic resonance (MR) imaging appearance of benign peripheral nerve sheath tumors (PNSTs) from that of malignant PNSTs. Materials and methods: Twenty-six patients who underwent MR imaging and had a histologic diagnosis of benign (schwannoma, n=16; neurofibroma, n=1) or malignant (n=9) PNST were retrospectively reviewed. The size, location, shape, margin, and signal intensities of the tumors on precontrast and gadolinium-enhanced MR imaging were analyzed. In each patient, the presence or absence of split fat, target, and fascicular signs was determined. Results: The mean size of the benign PNSTs (3.4 cm, S.D.=2.5 cm) was significantly smaller than that of the malignant tumors (8.2 cm, S.D.=3.1 cm) (P1-weighted, T2-weighted, and contrast-enhanced MR images. The split fat and target signs were present more frequently in the benign PNSTs than in the malignant PNSTs (P

KW - Fascicular sign

KW - Magnetic resonance (MR) imaging

KW - Peripheral nerve sheath tumor

KW - Split fat sign

KW - Target sign

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Differentiation of soft tissue benign and malignant peripheral nerve sheath tumors with magnetic resonance imaging

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