Diagnostic Ultrasound in Houston, TX
When foot and ankle pain involves the soft tissues — tendons, ligaments, fascia, nerves, or fluid-filled structures — imaging that goes beyond bone is essential for an accurate diagnosis. At In Motion Foot & Ankle, we use diagnostic ultrasound to provide real-time, radiation-free visualization of the soft tissue structures of the foot and ankle right in our office. This advanced imaging tool helps us see what X-rays cannot, allowing for faster, more precise diagnoses and better-targeted treatment plans.
How Diagnostic Ultrasound Works
Diagnostic ultrasound works by emitting high-frequency sound waves that bounce off internal structures and return to a receiver, creating detailed real-time images of the tissues beneath the skin. Because it does not use ionizing radiation, ultrasound is completely safe for patients of all ages and can be used as frequently as needed to monitor healing progress or guide treatment procedures.
One of the unique advantages of ultrasound over other imaging modalities is its dynamic capability — we can observe how structures behave while the foot or ankle is in motion. This allows us to detect subtle abnormalities in tendon gliding, ligament stability, and joint function that might not be apparent on a static image. Combined with our in-office digital X-ray capabilities, diagnostic ultrasound gives our team a complete picture of both the bony and soft tissue anatomy involved in your condition.
Conditions Diagnosed with Ultrasound
Diagnostic ultrasound is used at In Motion Foot & Ankle to evaluate a wide range of soft tissue conditions, including:
Plantar fasciitis — Ultrasound allows us to measure the thickness of the plantar fascia and identify areas of thickening, tearing, or degeneration that confirm the diagnosis of plantar fasciitis and help guide treatment decisions.
Achilles tendon injuries — From early-stage Achilles tendonitis to partial or complete tendon tears, ultrasound provides detailed visualization of tendon integrity, fiber alignment, and any associated fluid or degeneration.
Ligament sprains and tears — Soft tissue damage from ankle sprains often involves ligament injury that X-rays cannot detect. Ultrasound allows direct visualization of ligament continuity and fluid accumulation consistent with tearing.
Neuromas — Morton’s neuromas and other nerve entrapment conditions can be identified and measured with ultrasound, helping to confirm diagnosis and guide injection placement.
Ganglion cysts and soft tissue masses — Fluid-filled cysts and other soft tissue lumps on the foot or ankle can be characterized with ultrasound to determine their nature before deciding on management.
Tendon pathology — Posterior tibial tendon dysfunction, peroneal tendon tears, and flexor tendon abnormalities are all visible with ultrasound and commonly contribute to ankle pain and flat foot deformity.
Ultrasound-Guided Injections
Beyond diagnosis, ultrasound is a valuable tool for guiding therapeutic procedures — particularly corticosteroid or regenerative injections. By visualizing the needle in real time, ultrasound guidance ensures that medication is placed precisely within the target structure, maximizing efficacy and minimizing the risk of complications from misplaced injections. This is especially important for injections around tendons, bursae, and small joints of the foot and ankle.
To schedule a diagnostic ultrasound evaluation or learn more about our imaging services, call In Motion Foot & Ankle at (281) 955-5500 or visit our New Patients page. We serve patients throughout Houston, TX and the surrounding Houston (Cypress), TX area.
Frequently Asked Questions — Diagnostic Ultrasound
What does diagnostic ultrasound show that X-rays cannot?
While digital X-rays excel at imaging bone, diagnostic ultrasound provides detailed visualization of soft tissues — including tendons, ligaments, fascia, nerves, cysts, and fluid. It is the preferred imaging modality for conditions like Achilles tendonitis, plantar fasciitis, and ligament injuries from ankle sprains.
Is diagnostic ultrasound safe?
Yes. Diagnostic ultrasound uses high-frequency sound waves — not radiation — to create images. It is completely safe for patients of all ages, including pregnant women and children, and can be repeated as often as needed to monitor healing progress without any health risk.
Is the ultrasound procedure painful?
No. Diagnostic ultrasound is entirely painless. A small handheld device called a transducer is moved over the skin after a gel is applied to the area. The gel helps conduct the sound waves and patients do not experience any discomfort during the imaging process.
Can ultrasound be done the same day as my appointment?
Yes. Because we have ultrasound capabilities in our office, imaging can typically be performed during your appointment. This means you receive a diagnosis and can begin treatment planning in a single visit — no referral to an outside imaging center required.
Can ultrasound guide injections?
Yes. Ultrasound-guided injections allow our team to place medication precisely within the target structure in real time. This improves accuracy and efficacy compared to landmark-based injections, particularly for small or difficult-to-target areas like tendon sheaths, bursae, and small foot joints.
What conditions is diagnostic ultrasound used for at In Motion Foot & Ankle?
We use diagnostic ultrasound to evaluate plantar fasciitis, Achilles tendonitis, ligament sprains, neuromas, ganglion cysts, tendon tears, and a broad range of soft tissue conditions affecting the foot and ankle.
Does diagnostic ultrasound replace the need for an MRI?
For many soft tissue conditions of the foot and ankle, diagnostic ultrasound provides equivalent or complementary diagnostic information to MRI — with the added advantages of real-time dynamic imaging, in-office availability, no radiation, and lower cost. In some complex cases, MRI may still be indicated, and our team will refer for advanced imaging when clinically appropriate.