A case of true aneurysm on facial artery.

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Generally, the aneurysms are found on the arterial stems like the ascending, descending and thoracic aorta. The appearance of aneurysm on head and neck regions is very rare in the literature. However, recently we experienced a case of true aneurysm on the buccal region.<BR>Almost all of these cases have been false aneurysm resulting from traumatic, iatrogenic or other causes. This lesion occurred on a 21 year-old fireman. Clinical examination showed the left buccal to have diffusal swelling, and to produce a pulsating and aneurysmal bruit. The patient has not experienced any facial trauma, fracture, operative sequelae or other causes usually associated with a false aneurysm. Histopathologically, the extirpated rami buccales tissue exhibited a bilocular construction, while the structure of the arterial wall was of external, medial and internal layers with no apparent defect of lamination. The elastic fiber of the arterial wall was found to exhibit plasmotomy and absorption strongly supporting the diagnosis of a true sneurysm.<BR>The operation method was as followed: The transverse cutaneous excision ran along the mandible to the mandibular angle and down the frontal edge of the sternocleidomastoid muscle to form an inverted triangular flap. The external carotid artery was abrased, and the rami buccalaes was ligated at its junction with the external carotid artery. A small section of the rami buccales was excised and examined microscopically. Finally the excised flap was closed by stereotaxic suture.<BR>The operation resulted in the subsidence of both buccal swelling and aneurysmal bruit.
社団法人日本口腔外科学会の論文

A case of true aneurysm on facial artery.

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