Morton's Neuroma

Question 1

What is Morton’s neuroma?

Answer 1

Dysfunction of a nerve in the intermetatarsal space

Question 2

Where is the abnormal nerve usually located in Morton’s neuroma?

Answer 2

Between the third and fourth metatarsal

Question 3

What causes Morton’s neuroma?

Answer 3

Irritation of the nerve due to the mechanics of the foot

High-heels or narrow shoes may exacerbate it

Question 4

What are the typical symptoms of Morton’s neuroma?

Answer 4

Pain at the front of the foot

Lump sensation in the shoe

Burning, numbness or paraesthesia in distal toes

Question 5

How do you test for Morton’s neuroma?

Answer 5

Deep pressure to the affected intermetatarsal space on the dorsal foot causing pain

Metatarsal squeeze test-squeezing foot while using other hand to press affected plantar side causing pain

Mulder’s sign painful click when using two hands on either side of the foot to use metatarsal heads to rub neuroma

Question 6

What can be used to confirm diagnosis of Morton’s neuroma?

Answer 6

Ultrasound or MRI

Question 7

How is Morton’s neuroma managed?

Answer 7

Adapting activities
Analgesia
Insoles
Weight loss
Steroid injections
Radiofrequency ablation
Surgery