Common Causes

De'Quervains tenosynovitis.
Carpometacarpal joint arthrosis.
Trigger thumb.
Paronychia.

Less Common Causes

Glomus tumour under the nail bed.
Cervical spondylosis / disc herniation.

De'Quervains Tenosynovitis

• This lesser known cause of thumb pain. But is one of the most common causes
• Affects 10 times as many women as men.
• It is usually associated with over use either at work or at home. Also common during pregnancy and after childbirth.
• 30-50 years age group is commonly effected.
• Presentation: Pain at the base of the thumb. Increases on pinching movement.

Treatment

Use a splint.
Non steroidal anti-inflammatory medicines.
Ultrasonic locally.
Steroid injection, effective only if started within 6 weeks of starting of pain.
Surgery to free the thumb tendon from its constricting sheaths.

Trigger Thumb

• Commonly seen in people over 45 years.
• The affected thumb feels stiff in the morning, opens with difficulty and with a snap.
• Often there is nodule in the palm.
• Treatment is purely surgical.