16/11/2025
上集分享完一個下顎骨折嘅病例，今日我哋要分享另一種口腔手術-頜面腫瘤移除手術。呢隻狗狗入嚟睇牙嘅時候，主人表示狗狗面部嘅骨腫起咗一段時間，經過我哋照CT之後，Jonathan 同Jerzy醫生發現狗狗嘅下顎被上顎一個腫瘤壓住，亦有可能因為咬合不正而令到牙齒開始變差，於是建議切除受影響頭骨及剝牙。
切除頭骨係一個要非常小心及精準嘅手術，以呢個手術為例，腫瘤位置近眼睛同牙骹，附近亦有唔少神經線，血管及口水腺。為咗避免傷害到呢啲重要組織，我哋使用種牙及脊椎手術會用到嘅超聲骨刀。呢種儀器嘅好處係只會切到骨，切唔到軟組織，可以喺一個非常微創嘅情況下完成手術，亦可減少手術時需要輸血嘅可能性。
手術完成後，我哋再進行CT，見到下顎已經回到返原本位置，化驗亦證實腫瘤屬於良性。
After sharing a case of mandibular fracture in the previous post, today we are going to share another type of oral surgery - maxillofacial tumor removal. When this dog came in for dental treatment, the the dog was also presented with a firm swelling on the face for a while. After our CT scan, Dr. Jonathan and Dr. Jerzy found that the dog's lower jaw was pressed by a tumor in the upper jaw, and the malocclusion may be why the teeth began to deteriorate. We recommended removal of the affected zygomatic arch in the skull and extraction of the affected teeth.
Resection of the skull is a procedure that requires very careful and precise surgery, in this case, the tumor is located near the eye and joints, and nearby nerves, blood vessels and salivary glands. To avoid injuring these vital tissues, we use a piezosurgery unit that is sometimes used in dental implants and spine surgery. The advantage of this type of instrument is that it will only cut the bone and not soft tissue, allowing the procedure to be completed in a very minimally invasive way and reducing the possibility of requiring blood transfusions at the time of surgery.
After the surgery, we performed another CT scan, which showed that the mandible had returned to its original position, and the pathologist confirmed that the tumor was benign with full margin excised.
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