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1.
مقالة ي صينى | WPRIM | ID: wpr-1029992

الملخص

Objective:To provide theoretical guidance for the treatment of mandibular ameloblastoma by comparing the differences in the quality of life (QOL) of patients with mandibular ameloblastoma repaired by vascularized iliac bone flap and fibular flap.Methods:Seventy-two patients with mandibular ameloblastoma were admitted to the Department of Oral and Maxillofacial Surgery, the First Affiliated Hospital of Zhengzhou University from August 2016 to April 2019. There were 38 males and 34 females, aged 18-45 years, with an average of 33 years. The patients were divided into group A (iliac bone flap) with 28 cases and group B (fibula skin flap) with 44 cases. The 14-item Oral Health Impact Profile questionnaires (OHIP-14) was used to investigate and compare the differences in the QOL of patients 6 and 24 months after surgery.Results:All the 72 cases of free flaps survived. The OHIP-14 showed that there was no difference in physiological pain between the preoperative and postoperative levels ( P>0.05). There was no difference between the two groups. The scores of psychological discomfort and psychological disorder decreased at 24 months after surgery, without significantly statistical difference compared with that at 6 months after surgery ( P>0.05). The scores of physical impairment, disability and social impairment significantly reduced at 24 months after surgery, with significantly statistical difference compared with that at 6 months after surgery (iliac bone group t=8.07, 6.01 and 23.19; fibula group t=6.56, 4.27 and 13.01, P<0.05). The scores of functional limitations significantly reduced in both groups at 24 months after surgery, but the difference was still statistically significant ( t=2.30, P<0.05) between the iliac bone group (17.68±3.44) and the fibula group (22.70±11.19). Conclusions:There is no significant difference in the QOL between the two groups of patients with mandibular defects at 24 months after surgery. The application of iliac bone flapis is recommended for patients with mandibular body defects and fibular flap for large defects or lesions involving the condyles and chin.

2.
Chinese Journal of Stomatology ; (12): 416-419, 2019.
مقالة ي صينى | WPRIM | ID: wpr-810648

الملخص

Objective@#To investigate the clinical manifestations and pathological changes of salivary duct carcinoma (SDC) and the relationship between them, so as to provide reference for the diagnosis of SDC.@*Methods@#In this retrospective analysis 40 cases of SDC diagnosed from January 2012 to August 2018 in the Department of Pathology of the First Affiliated Hospital of Zhengzhou University were enrolled and the clinical and pathological characteristics were analyzed, 29 were male and 11 were female, the ratio of male to female was 2.64∶1, the median age was 59.0 years, the average course of disease was 3.5 years. The reported cases of SDC were reviewed and compared with patients of this study.@*Results@#Among the 40 patients, 24 cases occurred in parotid gland, 9 cases in submandibular gland and 7 cases in small salivary glands; 24 cases had cancer cell infiltration and invasion of adjacent tissues, 11 cases had lymph node metastasis and 9 cases had distant metastasis at the time of diagnosis. Pathological results showed that 27 cases belonged to primary salivary duct carcinoma, 13 cases belonged to malignant transformation of pleomorphic adenoma; 10 cases invaded local nerve, 22 cases invaded glandular lobules and ducts. Immunohistochemical results showed that 33 cases were positive for androgen receptor, 27 cases were positive for cytokeratin-7, 22 cases were positive for human epidermal growth factor receptor-2, 8 cases were positive for gross cyst disease fluid protein 15. The proliferation index of nuclear antigen Ki-67 ranged from 10% to 90%. Among them 18 cases were over 50% and 22 cases were below 50%.@*Conclusions@#Salivary duct carcinoma is a rare and highly malignant tumor of the salivary gland. Accurate pathological diagnosis is helpful to inhibit the early local recurrence, distant metastasis and improve survival rate of salivary duct carcinoma.

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