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European Radiology

, Volume 28, Issue 9, pp 3986–3995 | Cite as

Solitary fibrous tumour of the spine: imaging features of a commonly misdiagnosed entity

  • Ning Lang
  • Enlong Zhang
  • Xiaoying Xing
  • Huishu Yuan
Musculoskeletal
  • 295 Downloads

Abstract

Objective

Solitary fibrous tumours (SFTs) occurring in the spine are rare. Herein, we review the clinical and imaging data of spinal SFT.

Methods

We retrospectively analysed eight cases of pathologically confirmed spinal SFT imaging and clinical data, pathological manifestations, surgical methods, and follow-up results.

Results

Five SFTs cases occurred in the cervical spine, two in the thoracic spine, and one in the lumbosacral spine. Five cases showed a dumbbell-shaped or lobulated soft tissue mass that grew across the intervertebral foramen, two cases showed an expansive intraosseous mass formation in the vertebral body and/or posterior element, and one case showed a long-spindle shaped intraspinal canal mass growing along the spinal canal. Seven caused local invasion and destruction of the vertebral body and posterior element. Benign SFTs displayed a good prognosis, whereas malignant SFTs were prone to recurrence and metastasis (3/4).

Conclusion

Spinal SFTs are difficult to characterise with imaging and required pathological and immunohistochemical investigation. Prolonged follow-up is recommended once a diagnosis of spinal SFTs has been established because of the unclear biology.

Key Points

• Spinal solitary fibrous tumours are extremely rare.

• SFTs should be showed the differential of masses developing though the foramen.

• Combing imaging with pathology and immunochemistry assesses the diagnosis and establish nature.

Keywords

Tomography X-ray computed Magnetic resonance imaging Solitary fibrous tumours Spine 

Abbreviations

CT

Computed tomography

CTV

Clinical tumour volume

GTR

Gross total resection

GTV

Gross tumour volume

HPFs

High-power fields

MR

Magnetic resonance

PGTV

Planning gross tumour volume

PTV

Planning target volume

SFT

Solitary fibrous tumour

T1WI

T1-weighted imaging

T2WI

T2-weighted imaging

Notes

Funding

This study has received funding by National Natural Science Foundation of China (81701648) and Beijing Municipal Natural Science Foundation (7164309) and National Natural Science Foundation of China(81471634).

Compliance with ethical standards

Guarantor

The scientific guarantor of this paper is professor Min-Ying Su. 164 Irvine Hall, Center for Functional Onco-Imaging, University of California, Irvine,CA 92697-5020. E-mail: msu@uci.edu

Conflict of interest

The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.

Statistics and biometry

No complex statistical methods were necessary for this paper.

Informed consent

Written informed consent was obtained from all subjects (patients) in this study.

Ethical approval

Institutional Review Board approval was obtained.

Methodology

• Retrospective

• Diagnostic or prognostic study

• Performed at one institution

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Copyright information

© European Society of Radiology 2018

Authors and Affiliations

  1. 1.Department of RadiologyPeking University Third HospitalBeijingPeople’s Republic of China
  2. 2.Department of RadiologyPeking University International HospitalBeijingPeople’s Republic of China

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