Masticatory muscle tendon-aponeurosis hyperplasia that was initially misdiagnosed for polymyositis: a case report and review of the literature

• Main Authors: Wataru Katagiri (Author), Daisuke Saito (Author), Satoshi Maruyama (Author), Makiko Ike (Author), Hideyoshi Nisiyama (Author), Takafumi Hayashi (Author), Jun-ichi Tanuma (Author), Tadaharu Kobayashi (Author)
• Format: Book
• Published: SpringerOpen, 2023-05-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background Masticatory muscle tendon-aponeurosis hyperplasia (MMTAH) is a relatively newly identified clinical condition that manifests as trismus with a square-shaped mandible. Herein, we report a case of MMATH that was initially misdiagnosed for polymyositis due to trismus and simultaneou...