Resumen

PENA MARRERO, Liván et al. Non-specific flexor tendons tenosynovitis in rice grains of the hand. Rev Cubana Ortop Traumatol [online]. 2018, vol.32, n.1, pp.1-12. ISSN 0864-215X.

Tenosynovitis with loose rice grain-like structures is a very rare condition that usually presents associated with rheumatoid arthritis or tuberculosis. Cases not associated with these diseases are extremely rare. A 62-year-old male patient underwent surgery for a right carpal tunnel syndrome seven years ago. At that time, an opening of the transverse retinaculum of the carpus and synovectomy of the flexor tendons were performed. Synovial biopsy reported "chronic synovitis". It evolved satisfactorily during the first four years; then the patient began to present again the compressive symptoms of the median nerve and progressive increase in volume in the anterior aspect of the wrist. The ultrasound showed marked synovial hypertrophy of the flexor tendons at the level of the wrist. Neurophysiological studies reported axonal and myelin damage in the fibers of the right median nerve. A new intervention was performed. Synovial hypertrophy was visualized and abundant free loose rice grain-like structures grouped in synovial sacs. The carpal tunnel was decompressed, the free bodies were resected and wide synovectomy was performed. The result of the biopsy was non-specific synovitis with free rice grain-like structures. After two years of surgery, the patient is asymptomatic.

Palabras clave : synovitis; rice grains; tendons; flexors; median nerve.

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