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Novel Ultrasound Techniques for Diagnosing Perianal Abscess and Anal Fistula

A Prospective Comparative Diagnostic Study on the Application Value of Multimodal Ultrasound Combined with CrystalVue Technology in the Diagnosis of Perianal Abscess and Anal Fistula

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500110747
Enrollment
Unknown
Registered
2025-10-20
Start date
2025-10-20
Completion date
Unknown
Last updated
2025-10-27

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

Conditions

Perianal abscess and anal fistula

Interventions

Gold Standard:Surgery
Index test:Multimodal ultrasound combined with CrystalVue technology

Sponsors

The Third Affiliated Hospital Sun Yat-sen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Patients aged >=18 years; 2.Clinical suspicion of perianal abscess or anal fistula requiring imaging evaluation; 3. No recent perianal surgery (within the past 3 months); 4. Agreement to participate in the study and provision of signed informed consent.

Exclusion criteria

Exclusion criteria: 1. History of major perianal surgery (e.g., extensive anal reconstruction); 2. Pregnant women; 3. Contrast allergy or contraindications to MRI (e.g., cardiac pacemaker or metallic prosthesis implantation); 4. Severe infection requiring emergency surgery.

Design outcomes

Primary

MeasureTime frame
Abscess presence; Fistula presence; Internal opening visibility; Sphincter involvement; Secondary fistula presence;Diagnostic manifestations across different lesion types and severity levels;—

Secondary

MeasureTime frame
Interobserver and intraobserver consistency in ultrasound image interpretation;—

Countries

China

Contacts

Public ContactHuang Zeping

The Third Affiliated Hospital Sun Yat-sen University

hzep@mail.sysu.edu.cn+86 20 8525 3030

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026