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European Radiology

, Volume 20, Issue 9, pp 2241–2247 | Cite as

Differentiation between hepatic haemangiomas and cysts with an inversion recovery single-shot turbo spin-echo (SSTSE) sequence using the TI nulling value of hepatic haemangioma with sensitivity encoding

  • Yoshiaki KatadaEmail author
  • Mayumi Yasumoto
  • Chikako Ishii
  • Hiroshi Tanaka
  • Kazuya Nakamoto
  • Isamu Ohashi
  • Miwako Nozaki
Hepatobiliary-Pancreas

Abstract

Objective

To evaluate the additional value of inversion recovery (IR) single-shot turbo spin-echo (SSTSE) imaging with sensitivity encoding (SENSE) using the inversion time (TI) value of hepatic haemangioma as a supplement to conventional T2-weighted turbo spin-echo (TSE) imaging for the discrimination of hepatic haemangiomas and cysts.

Methods

A total of 134 lesions (77 hepatic haemangiomas, 57 hepatic cysts) in 59 patients were evaluated. Three readers evaluated these images and used a five-point scale to evaluate the lesion status. A receiver operating characteristic (ROC) analysis and 2 × 2 table analysis were used.

Results

The ROC analysis for all the readers and all the cases revealed a significantly higher area under the curve (AUC) for the combination of moderately and heavily T2-weighted TSE with IR-SSTSE images (0.945) than for moderately and heavily T2-weighted TSE images alone (0.894) (P < 0.001). For the combination of T2-weighted TSE with IR-SSTSE versus T2-weighted TSE alone, the 2 × 2 table analysis revealed a higher true-positive rate; this difference was statistically significant (P < 0.0001).

Conclusion

The introduction of IR-SSTSE with SENSE sequences significantly improves the diagnostic accuracy of the differentiation of hepatic haemangioma and cysts while increasing the time required for routine abdominal imaging by only 20 s.

Keywords

Inversion recovery Parallel imaging Unenhanced MR Liver haemangioma Liver cyst 

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Copyright information

© European Society of Radiology 2010

Authors and Affiliations

  • Yoshiaki Katada
    • 1
    Email author
  • Mayumi Yasumoto
    • 2
  • Chikako Ishii
    • 3
  • Hiroshi Tanaka
    • 3
  • Kazuya Nakamoto
    • 3
  • Isamu Ohashi
    • 4
  • Miwako Nozaki
    • 1
  1. 1.Department of RadiologyDokkyo Medical University Koshigaya HospitalSaitamaJapan
  2. 2.Department of RadiologySaitama Red Cross HospitalSaitamaJapan
  3. 3.Department of RadiologyOchanomizu Surugadai ClinicTokyoJapan
  4. 4.Department of Radiology, Faculty of MedicineTokyo Medical and Dental UniversityTokyoJapan

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