An case of cystic lymphangioma in the pterygomandibular space that responded to local injection of OK432

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  • OK432の局注療法が奏功した翼突下顎隙囊胞状リンパ管腫の1例
  • OK432 ノ キョク チュウ リョウホウ ガ ソウコウ シタ ヨクトツカガク ゲキノウホウジョウ リンパカン シュ ノ 1レイ

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Lymphangioma is a benign tumor caused by the deformation of lymphatic tissues. Approximately half of all such tumors are confirmed at birth and are generally diagnosed before the early stages of childhood. The submandibular region is the most common site in the head and neck region, followed by the parotid region. Conventionally, surgical resection has been considered the best general treatment. However, treatment should be carefully selected taking into consideration the growth pattern of tumors. We describe a 50-year-old woman in whom a lymphangioma developed in the pterygomandibular space. She became aware of a swelling in the buccal region and the submandibular region several decades ago; a large quantity of yellow serous fluid was removed when aspiration of the swelling in the mouth was performed. The majority of blood components in the fluid were lymphocytes. Moreover, multiple, irregularly expanding lymphatic vessels were observed in the dermis on histological tissue examination of the swollen region. Consequently, she was given a diagnosis of lymphangioma. We report this case in which good results were obtained in response to local injection of OK432.

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