CuTS

What is cubital tunnel syndrome?

Cubital tunnel syndrome is a condition caused by pressure or irritation of the ulnar nerve at the elbow.The ulnar nerve is commonly known as the funny bone nerve.It supplies sensation to the little finger and part of the ring finger and controls some of the hand muscles.

Common symptoms

Patients may experience numbness or tingling in the little finger and ring finger,especially when the elbow is bent.There may be pain or aching on the inner side of the elbow,weak grip,hand clumsiness,or difficulty with fine finger movements.Symptoms often worsen at night or during activities such as talking on the phone or resting the elbow on hard surfaces.

Why does it happen?

Cubital tunnel syndrome occurs because the ulnar nerve is stretched or compressed as it passes behind the elbow.Common causes include repeated or prolonged elbow bending,leaning on the elbow for long periods,previous elbow injury,arthritis,or swelling around the joint.In some cases,no clear cause is identified.

How is it diagnosed?

Diagnosis is usually based on your symptoms,medical history,and physical examination.If needed,nerve conduction studies or EMG tests may be performed to confirm the diagnosis and assess how well the nerve is functioning.Imaging studies are rarely required.

Treatment options

Treatment depends on how severe the symptoms are.Mild to moderate cases are often managed without surgery.This may include avoiding prolonged elbow bending,using an elbow splint especially at night,activity modification,and anti inflammatory medications.In selected cases,a steroid injection may be considered.

When is surgery needed?

Surgery may be recommended if symptoms are severe,progressive,or do not improve with conservative treatment.The goal of surgery is to relieve pressure on the ulnar nerve and prevent permanent nerve damage.

Key message for patients

Cubital tunnel syndrome is common and often treatable.Most patients improve with early diagnosis and appropriate treatment.Delaying care may lead to permanent nerve weakness or numbness.