Pigmented villonodular synovitis: a retrospective multicenter study of 237 cases.

Purpose: To review clinical characteristics of pigmented villonodular synovitis (PVNS) in China.

Methods: Electronic medical records (EMR) of four Chinese institutes were queried for patients with histologically proven PVNS between January 2005 and February 2014. Their data were collected including gender, age at diagnosis, clinical presentation, affected site, symptom duration, comorbidities, treatment strategy, recurrence and routine laboratories.

Eucommia ulmoides Oliv. bark aqueous extract inhibits osteoarthritis in a rat model of osteoarthritis.

Ethnopharmacological Relevance: Eucommia ulmoides Oliv. bark (EU) is a common traditional Chinese herbal medicine for treatment of osteoarthritis (OA), but its therapeutic effect on OA and the underlying mechanisms have not been fully clarified. Our previous study showed that Eucommia ulmoides Oliv.