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  • Title: [Psoriatic onycho-pachydermo-periostitis of the big toe. Anatomo-clinical study and physiopathogenic approach apropos of 4 cases].
    Author: Fournié B, Viraben R, Durroux R, Lassoued S, Gay R, Fournié A.
    Journal: Rev Rhum Mal Osteoartic; 1989; 56(8-9):579-82. PubMed ID: 2814294.
    Abstract:
    The authors report 4 cases of rheumatoid psoriasis in which involvement of the great toe, associating psoriatic onychosis, thickening of the distal soft tissues and osteo-periostitis of the distal phalanx without lesions of the interphalangeal joint, is the result of a direct repercussion of the ungual lesion on the distal phalanx. This is explained by very close anatomic links between nail and distal phalanx. They advocate the term of psoriatic onycho-pachydermo-periostitis of the great toe or OP3GT, when referring to this radio-clinical syndrome highly evocative of rheumatoid psoriasis.
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