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Related Experiment Video

Updated: Mar 10, 2026

Author Spotlight: Ultrasound-Guided Needle Release Combined with Corticosteroid Injection for the Treatment of Supinator Syndrome

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Extracompartmental Two-Injection Technique for Treating De Quervain Tenosynovitis.

Tyler S Iodence¹, William F McCormick², Jeffrey A Marchessault²

¹Orthopedic Surgery, Watauga Orthopaedics, Bristol, USA.

|March 9, 2026

Summary

A novel two-injection technique for De Quervain tenosynovitis (DQT) significantly improved pain and grip strength. This extracompartmental approach offers a promising alternative to traditional injections for DQT treatment.

Keywords:

corticosteroid injection de quervain hand injection tenosynovitis

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Last Updated: Mar 10, 2026

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Published on: May 26, 2023

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Published on: January 21, 2018

Area of Science:

Orthopedics
Hand Surgery
Musculoskeletal Disorders

Background:

De Quervain tenosynovitis (DQT) is a common condition affecting the tendons of the thumb.
Traditional treatments, including intracompartmental steroid injections, carry risks and potential complications.

Purpose of the Study:

To evaluate the efficacy of a novel extracompartmental two-injection technique for treating De Quervain tenosynovitis.
To compare the outcomes of this new technique with baseline measurements and reported results of other injection methods.

Main Methods:

A prospective study involving fifteen patients diagnosed with DQT.
Patients underwent a novel extracompartmental two-injection technique.
Pain (Visual Analog Scale), grip strength, and physical examination findings were assessed before and four weeks after treatment.

Main Results:

100% of patients showed symptom improvement and absent physical exam findings.
73% of patients achieved complete symptom resolution.
93% of patients experienced improved grip strength post-treatment.
The technique demonstrated significant improvement in pain and grip strength compared to baseline.

Conclusions:

The extracompartmental two-injection technique is effective for De Quervain tenosynovitis.
This method offers comparable short-term outcomes to other techniques while potentially reducing pain and risks.
The reproducible technique provides a valuable option for clinicians and patients managing DQT.