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  • Title: Vacuum phenomenon in non-open fracture of the mandibular condyle: report of three cases.
    Author: Minowa K, Sakakibara N, Inoue N, Ohmori K, Kuroshima T, Totsuka Y, Kitagawa Y, Nakamura M.
    Journal: Dentomaxillofac Radiol; 2008 Sep; 37(6):361-4. PubMed ID: 18757722.
    Abstract:
    Gas in the joint space was observed in three patients with condylar fracture who were referred for CT examinations of the mandible. CT showed that the condylar fractures were non-open fractures. The gas was only observed in the intrajoint capsule of the temporomandibular joint (TMJ). Follow-up CT, 4 days after the initial CT, showed that the gas in the joint space was absorbed in one of three cases. In the non-open condylar fractures, the gas collection in the TMJ was considered to be a vacuum phenomenon due to the intact joint capsule of the TMJ on CT.
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