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Musculoskeletal > Cubital tunnel syndrome > Flashcards

Cubital tunnel syndrome Flashcards

1
Q

What is cubital tunnel syndrome?

A

This is the inflammation of the structures forming the cubital tunnel, causing pressure on the structures running through it

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2
Q

Who is most at risk of cubital tunnel syndrome?

A

Males
Over 30

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3
Q

What are some causes of cubital tunnel syndrome?

A

Trauma
Arthritis
Pressure from cysts or tumours

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4
Q

What structures form the roof of the cubital tunnel?

A

Flexor carpi ulnaris fascia
Osborne’s ligament

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5
Q

What structures form the floor of the cubital tunnel?

A

Medial colateral ligament
Joint capsule

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6
Q

What structures form the walls of the cubital tunnel?

A

Medial epicondyle
Olecranon

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7
Q

What is the main nerve passing through the cubital tunnel?

A

Ulnar nerve

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8
Q

What structures are innervated by the ulnar nerve?

A
  • Ulnar two lumbricals
  • All hypothenar muscles
  • Deep head of flexor pollicis brevis
  • Adductor pollicis
  • Forearm flexors
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9
Q

How will early cubital tunnel syndrome present?

A

Ulnar nerve region pins and needles
Pain
Clumsiness

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10
Q

How will late stage cubital tunnel syndrome present?

A

Numbness
Weakness

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11
Q

What are some clinical signs of cubital tunnel syndrome?

A
  • Hypothenar and interosseous atrophy
  • Clawing of ring and small finger
  • Altered sensation
  • Weakness of abductor digitorum minimus
  • Weakness of grasp and pinch
  • Wartenberg’s sign
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12
Q

What is Wartenberg’s sign?

A

Abduction of the small finger

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13
Q

What are the tests performed in cubital tunnel syndrome?

A
  • Tinnels test
  • Modified Phalen’s test
  • Froment’s test
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14
Q

What is performed in tinnel’s test for cubital tunnel syndrome?

A

Tapping the cubital tunnel will cause shooting pain down the ulna

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15
Q

What is performed in Phalen’s test for cubital tunnel syndrome?

A

Elbow flexion will cause shooting pain down the ulna

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16
Q

What is performed in Froment’s test for cubital tunnel syndrome?

A

Thumb will flex during gripping (e.g. paper) instead of lying flat

17
Q

What investigations can be used in cubital tunnel syndrome?

A

Clinical examination
Nerve conduction studies
Electromyogram

18
Q

How is mild to moderate cubital tunnel syndrome managed?

A

Elbow splintage
Physiotherapy (Nerve gliding)
NSAIDs

19
Q

How is severe cubital tunnel syndrome managed?

A

Ulnar nerve decompression surgery

20
Q

Describe the procedure of ulnar nerve decompression surgery

A

This is a day surgery which involved either local or general anaesthetic, in which the nerve is released from the Arcade of Struthers to the heads of the FCU

21
Q

Describe the rehab pathway of cubital tunnel syndrome

A
  • 2 days reduc dressings
  • 5 days keeping dry
  • 10 days for sutures
  • Early return of function if successful (80-90%)
22
Q
A

Musculoskeletal (123 decks)

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