1. Diagnosis of complications associated with acute cholecystitis using computed tomography and diffusion-weighted imaging with background body signal suppression/T2 image fusion
- Author
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Eriko Sugiyama, Satoshi Kagayama, Yoshinori Shirai, Yoshiya Fukamizu, Fuminobu Shinozaki, Misaki Shite, Yasufumi Motoyoshi, Daisuke Kano, Ryouta Haga, Satomi Tanaka, Toshiyuki Fujita, Rumiko Hasegawa, Minoru Tomizawa, Shigenori Yamamoto, Naoki Ishige, Takafumi Sunaoshi, and Takao Sugiyama more...
- Subjects
Cancer Research ,medicine.medical_specialty ,Image fusion ,medicine.diagnostic_test ,business.industry ,Gallbladder ,Whole body imaging ,Computed tomography ,General Medicine ,Articles ,medicine.disease ,030218 nuclear medicine & medical imaging ,03 medical and health sciences ,0302 clinical medicine ,medicine.anatomical_structure ,Immunology and Microbiology (miscellaneous) ,medicine ,Acute cholecystitis ,030211 gastroenterology & hepatology ,Radiology ,Gallbladder wall ,business ,Diffusion MRI ,Liver abscess - Abstract
In a clinical setting, it is important to diagnose complications of acute cholecystitis accurately. Diffusion-weighted whole body imaging with background body signal suppression/T2-weighted image fusion (DWIBS/T2) provides high signal intensity with a strong contrast against surrounding tissues in anatomical settings. In the present study, patients who were being treated for acute cholecystitis and underwent DWIBS/T2 in the National Hospital Organization Shimoshizu Hospital between December 2012 and August 2015 were enrolled. A total of 10 men and 4 women underwent DWIBS/T2. Records, including DWIBS/T2 and computed tomography (CT) imaging, were retrospectively analyzed for patients with acute cholecystitis. CT images revealed thickened gallbladder walls in patients with acute cholecystitis, and high signal intensity was observed in DWIBS/T2 images for the thickened gallbladder wall. Inflammation of the pericholecystic space and the liver resulted in high intensity signals with DWIBS/T2 imaging, whereas CT imaging revealed a low-density area in the cholecystic space. Plain CT scanning identified a low-density area in the liver, which became more obvious with contrast-enhanced CT. DWIBS/T2 imaging showed the inflammation of the liver and pericholesyctic space as an area of high signal intensity. Detectability of inflammation of the pericholecystic space and the liver was the same for DWIBS/T2 and CT, which suggests that DWIBS/T2 has the same sensitivity as CT scanning for the diagnosis of complicated acute cholecystitis. However, the strong contrast shown by DWIBS/T2 allows for easier evaluation of acute cholecystitis than CT scanning. more...
- Published
- 2017