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Vol. 17. Issue 2.
Pages 113-115 (February 2021)
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Vol. 17. Issue 2.
Pages 113-115 (February 2021)
Case Report
DOI: 10.1016/j.reumae.2019.08.002
Cholinergic synovitis: Description of four cases
Sinovitis colinérgica: descripción de 4 casos
Carlos Guillén Astetea,
Corresponding author

Corresponding author.
, Miguel Zamorano Serranob, Mónica Luque Alarcónc
a Servicio de Reumatología, Hospital Universitario Ramón y Cajal, Madrid, Spain
b Servicio de Urgencias, Hospital Universitario Ramón y Cajal, Madrid, Spain
c Servicio de Neurología, Hospital Universitario Ramón y Cajal, Madrid, Spain
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We present the clinical and ultrasound findings of four patients with moderate synovitis and urticarial skin lesions associated with sports activity in warm environments. We include progress after treatment with hydroxycin. We suggest a causal relationship similar to cholinergic urticaria where the neighbouring synovium responds with effusion that self-limits once the triggering process has been halted.

Cholinergic synovitis
Cholinergic urticaria
Synovial physiology
Joint ultrasound

Presentamos los hallazgos clínicos y ecográficos de 4 pacientes con sinovitis moderada y lesiones cutáneas urticariales asociadas a la actividad deportiva en ambientes cálidos. Incluimos la evolución tras su tratamiento con hidroxicina. Sugerimos una relación causal similar a la urticaria colinérgica en la que la sinovia vecina responde con derrame que autolimita una vez suspendido el proceso desencadenante.

Palabras clave:
Sinovitis colinérgica
Urticaria colinérgica
Fisiología sinovial
Ecografía articular


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