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Thoracic Outlet Syndrome Clinic

The Johns Hopkins Thoracic Outlet Syndrome Clinic diagnoses and treats all forms of thoracic outlet syndrome (TOS), whether it is neurogenic (nerve compression) or vascular (blood vessel compression). Our experts study your medical history, run tests to rule out similar conditions, and examine you to develop a clear picture of what’s causing your arm and shoulder symptoms.

TOS Surgeons

Our Specialists
Meet the experts who diagnose and treat thoracic outlet syndrome.

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What You Need to Know
Learn more about causes, symptoms, treatments and prevention.

Dr. Ying Wei Lum

Patient Information
Find out what to expect, from your first visit to your last treatment


Patient Resources

Surgical Treatment for Thoracic Outlet Syndrome | Mark’s Story

When Mark Norwich was determined to find a treatment for thoracic outlet syndrome that would allow him to start in his college football program. The Norwich family traveled from New York City to Baltimore to see Dr. Ying Wei Lum. Mark and his family tell the story of the surgical treatment, rehabilitation and recovery from thoracic outlet syndrome.

Treatment for Thoracic Outlet Syndrome | Aaron's Story

Aaron Hoover first felt the shoulder pain while pitching in a college baseball game. After numerous tests and scans, Aaron's doctor found a blood clot — a major clue that he had Thoracic Outlet Syndrome. Aaron talks about his experience with the Johns Hopkins Thoracic Outlet Syndrome clinic, from surgery to recovery.


Transaxillary First Rib Resection for Thoracic Outlet Syndrome (TOS)

Learn more about the tranaxillary first rib resection surgical approach to treat TOS from the Johns Hopkins Thoracic Outlet Syndrome Clinic. Watch to find out what happens during and after this decompression surgery, which is a low risk and effective surgical treatment for patients diagnosed with neurogenic or venous TOS.

Nerve Block Treatment for Thoracic Outlet Syndrome (TOS)

Nerve Block is a non-surgical alternative for patients suffering from Thoracic Outlet Syndrome (TOS). This animation illustrates how physicians at the Johns Hopkins Thoracic Outlet Syndrome Clinic perform interscalene brachial plexus blocks using botulinum toxin type A injections to provide temporary pain relief for patients.

Read about our treatment approaches

Read more about TOS and how Ying Wei Lum, M.D. has become the go-to doctor for the unusual condition

Learn more about the signs, symptoms and diagnosis of thoracic outlet syndrome

Take a look at how far our patients travel for treatment of thoracic outlet syndrome 

Thoracic Outlet Syndrome Diagnosis and Treatment: A Johns Hopkins Mainstay