Mechanic's hands is a skin condition seen in a number of autoimmune disorders, including the anti-synthetase syndrome.
Clinical findings:
(1) thick, hyperkeratotic and cracked skin on the lateral and ventral surfaces of the fingers
(2) hyperkeratotic plaques on the palms
Some patients also have skin lesions on the feet.
Autoimmune diseases associated with mechanic's hands:
(1) anti-synthetase syndrome, typically with anti-Jo1
(2) dermatomyositis
(3) mixed connective tissue disease (MCTD)
(4) systemic lupus erythematosus
Differential diagnosis:
(1) contact allergy
(2) chemical injury
(3) trauma
(4) eczema
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Purpose: To evaluate a patient for mechanic's hands.
Specialty: Immunology/Rheumatology
Objective: criteria for diagnosis
ICD-10: M35.8,
