Novel tissue harmonic imaging clearly visualizes a case of intraductal papillary mucinous neoplasm with mural nodules

Kazuyuki Matsumoto, Akio Katanuma

Research output: Contribution to journalArticlepeer-review

Abstract

Tissue Harmonic Echo (THE) imaging is a sonographic technique that potentially provides images of higher quality than can conventional B-mode images. Potential advantages of THE imaging include improved resolution, improved signal-to-noise ratio, and reduced artifacts [1, 2]. Recently, a novel THE imaging performed using an EUS system with a monitor/processing unit (EU-ME2 PREMIER PLUS; Olympus Medical Systems, Tokyo, Japan) has been developed. Using this technology, we can obtain two THE mode images, namely, THE-P (penetration) and THE-R (resolution). The THE-P mode is suitable for middle range distance observation because it receives a harmonic signal whose frequency is mainly 7.5 MHz. The THE-R mode is suitable for close distance observation from the probe because it receives a harmonic signal whose frequency mainly ranges from 10 to 12 MHz. Here, we report a case of intraductal papillary mucinous neoplasm (IPMN) with mural nodules which could be clearly detected using this novel THE imaging.

Original languageEnglish
Pages (from-to)274-275
Number of pages2
JournalJOP : Journal of the pancreas
Volume15
Issue number3
DOIs
Publication statusPublished - May 1 2014
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)

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