Mucinous nonneoplastic cyst of the pancreas: CT and MRI appearances

Kousei Ishigami, Akihiro Nishie, Naoki Mochidome, Yoshiki Asayama, Yasuhiro Ushijima, Daisuke Kakihara, Daisuke Okamoto, Nobuhiro Fujita, Takao Ohtsuka, Yoshihiro Miyasaka, Tomoyuki Hida, Tomoharu Yoshizumi, Hiroshi Honda

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Purpose: The purpose of this retrospective study was to evaluate imaging features of mucinous nonneoplastic cyst (MNNC) of the pancreas. Materials and methods: Three (0.9%) patients with MNNC of the pancreas were found in 335 surgically resected pancreatic cystic lesions. Three MDCT and two MRI/MRCP studies were retrospectively reviewed. Results: Three cases of MNNC were found in the pancreatic neck, body, and tail, respectively. All the three cases were multilocular without communication with the main pancreatic duct (MPD), although upstream MPD dilatation was seen in two of the three cases. The signal intensity of the cyst fluid was low on T1-weighted, high on T2-weighted, and low on diffusion-weighted images. Cyst wall was thin in two cases, and the remaining case with obstructive pancreatitis showed visible cyst wall enhancement. Conclusion: Imaging findings of MNNC of the pancreas were nonspecific without communication with the MPD. Cyst wall is typically thin without visible enhancement.

Original languageEnglish
Pages (from-to)2827-2834
Number of pages8
JournalAbdominal Radiology
Volume42
Issue number12
DOIs
Publication statusPublished - Dec 1 2017

All Science Journal Classification (ASJC) codes

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Gastroenterology
  • Urology

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