Focal Myositis in the Temporal Muscle; A Case Report.

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Focal myositis is an inflammatory pseudotumor of the skeletal muscle that often mimics a growing neoplasm.We report the tenth case of focal myositis in the head and neck region; the first in the temporal muscle.A 42-year-old man was referred to our hospital with a subcutaneous mass in the right temporal region. An excisional biopsy was performed under general anesthesia. The mass was localized within the right temporal muscle. The histopathological diagnosis was focal myositis.Since focal myositis is a self-limited disease which regresses spontaneously, no further treatment is required. However, careful observation is necessary to exclude localized initial symptoms of polymyositis.
耳鼻咽喉科臨床学会の論文