Affordable Access

Access to the full text

Metastatic lymph node calcification in rectal cancer: comparison of CT and high-resolution MRI

Authors
  • Chen, Yan1
  • Wen, Ziqiang1
  • Ma, Yuru1
  • Liu, Yiyan1
  • Que, Yutao1
  • Yang, Xinyue2
  • Wu, Yunzhu3
  • Yu, Shenping1
  • 1 Sun Yat-Sen University, Guangzhou, 510080, China , Guangzhou (China)
  • 2 Southern Medical University, Guangzhou, 510282, China , Guangzhou (China)
  • 3 MR Scientific Marketing, SIEMENS Healthineers Ltd., Guangzhou, 510620, China , Guangzhou (China)
Type
Published Article
Journal
Japanese Journal of Radiology
Publisher
Springer Singapore
Publication Date
Mar 09, 2021
Volume
39
Issue
7
Pages
642–651
Identifiers
DOI: 10.1007/s11604-021-01108-6
Source
Springer Nature
Keywords
Disciplines
  • Pictorial Essay
License
Yellow

Abstract

Calcification causes mixed signal intensity in the lymph node (LN) on high-resolution magnetic resonance imaging (MRI), which is a strong indicator of regional LN metastasis in rectal cancer. Calcified metastatic LNs in rectal cancer commonly display scattered fine punctate calcifications to varying degrees on computed tomography (CT). On high-resolution MRI, the calcifications manifest a patchy area of signal loss in corresponding calcified area that is larger than on CT. It is necessary to recognize the appearance of metastatic LN calcifications on high-resolution MRI in rectal cancer because it is the primary imaging method for local staging in rectal cancer. This pictorial essay aims to introduce an important imaging finding that can contribute to the diagnosis of LN metastasis by illustrating features and differences between CT and high-resolution MRI of metastatic LN calcifications in rectal cancer.

Report this publication

Statistics

Seen <100 times