title: Juxta-adrenal schwannoma: dynamic multi-slice CT and MRI findings.
abstract: BACKGROUND
  We retrospectively analyzed the MSCT and MRI findings of three cases of juxta-adrenal schwannoma and reviewed literature.
  
  
  RESULTS
  Three patients were male, and showed no signs for endocrine activity. The three cases of juxta-adrenal schwannoma were all well-circumscribed, oval masses with cystic components, and one case with hemorrhage. Hypointense signal capsules were observed on T2-weighted images in two cases, and the capsule in one case showed rim enhancement. The tumors displayed mild enhancement in the arterial phase and progressive enhancement during the portal venous phase and equilibrium phase. Computed tomography angiography clearly showed the tumor feeding vessels arising from the abdominal aorta.
  
  
  CONCLUSIONS
  MSCT and MRI are valuable imaging modalities for diagnosis of juxta-adrenal schwannoma.
authors.affiliation: Department of Radiology, The Second Affiliated Hospital of Sun Yat-sen University, Guangzhou 510120, Guangdong Province, China. liu.qingyu@163.com
authors.forename: Qing-Yu
authors.initials: QY
authors.lastname: Liu
authors.forename: Ming
authors.initials: M
authors.lastname: Gao
authors.forename: Hai-Gang
authors.initials: HG
authors.lastname: Li
authors.forename: Xiao-Feng
authors.initials: XF
authors.lastname: Lin
authors.forename: Sui-Qiao
authors.initials: SQ
authors.lastname: Huang
authors.forename: Bi-Ling
authors.initials: BL
authors.lastname: Liang
mesh_terms: D000293:Adolescent; D000310:Adrenal Gland Neoplasms / Q000175:diagnosis; D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D008875:Middle Aged; D009442:Neurilemmoma / Q000175:diagnosis*; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*; D014057:Tomography, X-Ray Computed / Q000379:methods*