Adeel Mohammad, Rajput Muhammad Shaheryar Ahmed, Arain Asif Ali, Baloch Maqbool, Khan Mumtaz
Head and Neck Oncology, Shaukat Khanum Memorial Cancer Hospital and Research Center, Lahore, PAK.
Otolaryngology, Head and Neck Surgery, Liaquat University of Medical and Health Sciences, Jamshoro, PAK.
Cureus. 2018 Oct 10;10(10):e3437. doi: 10.7759/cureus.3437.
Introduction Ameloblastoma is a locally destructive tumor with a propensity for recurrence if not entirely excised. Management of ameloblastoma poses a challenge for all involved in the field of head and neck surgery because successful treatment requires not only adequate resection but also a functional and aesthetically acceptable reconstruction of the residual defect. Methods Patients who had histologically proven ameloblastoma between 1991 and 2009 were identified from the database of Aga Khan University Hospital. A review of all medical records, radiological images, operative reports and pathology reports was undertaken. Results A total of 15 patients with histologically confirmed ameloblastoma were identified. Out of 15 patients nine were males and six were females with age range from 20 to 60 years (mean age 43 years). The most common symptom found in our patient group was painless facial swelling. In 13 patients the origin of tumor was mandible and in the remaining two the tumor originated from maxilla. Eleven out of 15 patients underwent segmental mandibulectomy, two had maxillectomy and two had enucleation. All patients who underwent segmental mandibulectomy required reconstruction. Reconstruction was done with microsurgical free tissue transfer in eight patients, non-vascularized iliac crest bone graft was used in one patient and two had plating only. All free flaps survived with no evidence of flap loss. The mean follow-up was eight years. There was no evidence of graft failure which was used in one patient. Complication was seen in only one of our patients in the form of plate exposure. Recurrence was seen in two of our cases who primarily underwent enucleation. All patients had satisfactory speech, cosmesis and mastication. Conclusion The management of ameloblastoma still poses a big challenge in spite of being the most common odontogenic tumor. In our study we have found that segmental mandibulectomy with disease-free margin of around 1 cm and immediate reconstruction with free tissue transfer have shown good results.
引言
成釉细胞瘤是一种具有局部侵袭性的肿瘤,如果未完全切除,容易复发。成釉细胞瘤的治疗对所有头颈外科领域的从业者来说都是一项挑战,因为成功的治疗不仅需要充分切除肿瘤,还需要对残留缺损进行功能和美学上均可接受的重建。
方法
从阿迦汗大学医院数据库中识别出1991年至2009年间组织学确诊为成釉细胞瘤的患者。对所有病历、放射影像、手术报告和病理报告进行了回顾。
结果
共识别出15例组织学确诊的成釉细胞瘤患者。15例患者中,男性9例,女性6例,年龄范围为20至60岁(平均年龄43岁)。我们患者组中最常见的症状是无痛性面部肿胀。13例患者肿瘤起源于下颌骨,其余2例肿瘤起源于上颌骨。15例患者中有11例行节段性下颌骨切除术,2例行上颌骨切除术,2例行摘除术。所有接受节段性下颌骨切除术的患者均需要重建。8例患者采用显微外科游离组织移植进行重建,1例患者使用非血管化髂嵴骨移植,2例仅行钢板固定。所有游离皮瓣均存活,无皮瓣丢失迹象。平均随访8年。1例患者使用的移植骨无失败迹象。仅1例患者出现钢板外露形式的并发症。2例最初接受摘除术的患者出现复发。所有患者的言语、美容和咀嚼功能均令人满意。
结论
尽管成釉细胞瘤是最常见的牙源性肿瘤,但其治疗仍然是一项巨大的挑战。在我们的研究中,我们发现切除边缘距肿瘤约1 cm的节段性下颌骨切除术及立即采用游离组织移植进行重建取得了良好效果。