Signs and symptoms of TF are as follows:
Locking or catching during active flexion-extension activity (passive manipulation may be needed to extend the digit in the later stages)
Stiff digit, especially in long-standing or neglected cases
Pain over the distal palm
Pain radiating along the digit
Triggering on active or passive extension by the patient
Palpable snapping sensation or crepitus over the A1 pulley
Tenderness over the A1 pulley
Palpable nodule in the line of the flexor digitorum superficialis (FDS), just distal to the metacarpophalangeal (MCP) joint in the palm
Fixed-flexion deformity in late presentations, especially in the proximal interphalangeal (PIP) joint
Evidence of associated conditions (eg, rheumatoid arthritis [RA], gout)
Early signs of triggering in other digits (may be bilateral)
Children with trigger thumb rarely complain of pain. They usually are brought in for evaluation when aged 1-4 years, when the parent first notices a flexed posture of the thumb’s interphalangeal (IP) joint. These children often demonstrate bilateral fixed flexion contractures of the thumb by the time they present to the physician.[4] By the time the child presents to the clinic, surgical treatment is already indicated in most instances.
See Clinical Presentation for more detail.
Signs and symptoms of TF are as follows:Locking or catching during active flexion-extension activity (passive manipulation may be needed to extend the digit in the later stages)Stiff digit, especially in long-standing or neglected casesPain over the distal palmPain radiating along the digitTriggering on active or passive extension by the patientPalpable snapping sensation or crepitus over the A1 pulleyTenderness over the A1 pulleyPalpable nodule in the line of the flexor digitorum superficialis (FDS), just distal to the metacarpophalangeal (MCP) joint in the palmFixed-flexion deformity in late presentations, especially in the proximal interphalangeal (PIP) jointEvidence of associated conditions (eg, rheumatoid arthritis [RA], gout)Early signs of triggering in other digits (may be bilateral)Children with trigger thumb rarely complain of pain. They usually are brought in for evaluation when aged 1-4 years, when the parent first notices a flexed posture of the thumb’s interphalangeal (IP) joint. These children often demonstrate bilateral fixed flexion contractures of the thumb by the time they present to the physician.[4] By the time the child presents to the clinic, surgical treatment is already indicated in most instances.See Clinical Presentation for more detail.
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