Presacral dermoid cyst with scanty fat component: Usefulness of chemical shift and diffusion-weighted MR imaging

Akihiro Nishie, Kengo Yoshimitsu, Hiroshi Honda, Hiroyuki Irie, Hitoshi Aibe, Kenji Shinozaki, Kazuhiro Mizumoto, Yoshio Matsuo, Kouji Masuda

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Abstract

We present a case of a dermoid cyst located at the presacral space. Although CT and conventional MR (T1- and T2-weighted images) demonstrated a non-specific cystic mass with little evidence of calcification or fat, chemical shift and diffusion-weighted MR imaging suggested the presence of small amount of fat and abundant keratinoid substance within the tumor, respectively. Pre-operative diagnosis of dermoid cyst was made. The tumor was surgically resected and the diagnosis was confirmed. Chemical shift and diffusion-weighted MR imaging are useful in the diagnosis of dermoid cyst with little evidence of calcification and fat.

Original languageEnglish
Pages (from-to)293-296
Number of pages4
JournalComputerized Medical Imaging and Graphics
Volume27
Issue number4
DOIs
Publication statusPublished - Jan 1 2003

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All Science Journal Classification (ASJC) codes

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Computer Vision and Pattern Recognition
  • Health Informatics
  • Computer Graphics and Computer-Aided Design

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