thoracic outlet syndrome
Findings
No curated finding names thoracic outlet syndrome yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
A syndrome resulting from the compression of the blood vessels or nerves in the space between the clavicle and first rib (thoracic outlet). It is caused by car accident injuries or repetitive job or sport-related injuries. Signs and symptoms include pain in the shoulders and neck, numbness in the fingers, and weakening grip.
Definition from the Mondo Disease Ontology (MONDO:0005979), read 2026-09-29. CC BY 4.0.
Features
11 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- ParesthesiaHPOHP:0003401
- Very frequent (80% to 99% of cases)
- Abnormal rib morphologyHPOHP:0000772
- Frequent (30% to 79% of cases)
- ArthralgiaHPOHP:0002829
- Frequent (30% to 79% of cases)
- EdemaHPOHP:0000969
- Frequent (30% to 79% of cases)
- Muscle weaknessHPOHP:0001324
- Frequent (30% to 79% of cases)
- MyalgiaHPOHP:0003326
- Frequent (30% to 79% of cases)
- EMG abnormalityHPOHP:0003457
- Occasional (5% to 29% of cases)
- Muscle spasmHPOHP:0003394
- Occasional (5% to 29% of cases)
- Sensory neuropathyHPOHP:0000763
- Occasional (5% to 29% of cases)
- Varicose veinsHPOHP:0002619
- Occasional (5% to 29% of cases)
- Venous thrombosisHPOHP:0004936
- Occasional (5% to 29% of cases)
Where it sits
- A kind of
Other names
2 names
Resolves to: thoracic outlet syndrome
- Also called
- thoracic outlet compression syndromeTOS