Chronic Expanding Hematoma of the Ala Nasi: A Case Report

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  • TOMIOKA TAKAHIRO
    Department of Oral and Maxillofacial Surgery, Shiga University of Medical Science
  • YAMADA SHIN-ICHI
    Department of Dentistry and Oral Surgery, Shinshu University School of Medicine

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  • 鼻翼部に発生したchronic expanding hematomaの1例

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Abstract

We herein report a rare case of chronic expanding hematoma （CEH） of the left ala nasi that developed 2 years after a facial injury. A man in his fifties visited our hospital with painless swelling of the left side of his face. An elastic solid mass, approximately 30mm in diameter, was palpable at the inferior portion of the left cheek. Computed tomography revealed a cyst-like lesion surrounded by a thick capsule wall in the left ala nasi. Magnetic resonance imaging showed a heterogeneous lesion with high signal intensity on T2-weighted images. The results of clinical and radiological examinations were consistent with a benign tumor. The mass was excised under general anesthesia. Histopathologically, fibrous tissue was prominent and granulation tissue associated with microvascular proliferation and fibrin were also observed. A diagnosis of CEH was reached based on clinical and histopathological features. The patient has remained free of recurrence for 10 years.

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