Intraoperative Freehand Real-time Elastography for Small Focal Liver Lesions

Intraoperative Freehand Real-time Elastography for Small Focal Liver Lesions - Elastography for Small Focal Liver Lesions

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000001054

Enrollment

Registered

2008-03-01

Start date

2006-11-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Forcal liver lesions to be resected.

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who are scheduled to undergo hepatectomy at our institution, provide a written informed consent, and do not meet the below exclusion criteria.

Exclusion criteria

Exclusion criteria: 1) the preoperative lesion size was more than 2.5 cm in maximum diameter 2) the lesion center was located deeper than 4 cm from the liver surface, 3) the lesion was protruded from the liver surface 4) emergent surgery was required.

Design outcomes

Primary

Measure	Time frame
The diagnostic ability of small liver lesions with EI is analyzed with ROC analysis.	—

Secondary

Measure	Time frame
The evaluation of specific patterns in which B mode ultrasonography has difficulty in detection.	—

Countries

Japan

Contacts

Public ContactYosuke Inoue

University of Tokyo, Tokyo University Hospital Hepato-Biliary-Pancreatic Surgery Division, The Artificial Organ and Transplantation Division, Depar

sukeyaubj@yahoo.co.jp

Outcome results