Xue Kui Liu
Sun Yat-sen University
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Oral Oncology | 2012
Quan Li; Xin Rui Zhang; Xue Kui Liu; Zhi Min Liu; Wei Wei Liu; Hao Li; Zhu Ming Guo
Minor salivary gland carcinoma of the hard palate is rare, and its long-term survival rate is high, making it difficult to evaluate the prognostic factors and the efficacy of treatment. This study was designed to evaluate the treatment outcome of minor salivary gland carcinoma of the hard palate. 103 cases of minor salivary gland carcinoma of the hard palate treated with surgery alone or underwent surgery combined with post-operative radiotherapy hospitalized in Cancer Center, Sun Yet-Sen University, from 1968 to 2008 were reviewed retrospectively. The most common histologic types were adenoid cystic carcinoma in 48 patients(46.6%), mucoepidermoid carcinoma in 37(35.92%), malignant mixed tumor in 15(14.56%), and acinic cell carcinoma in 3(2.91%). The median follow-up time was 74.83 months (range 0.9-356.57 months). Overall outcomes at 5 and 10 years were overall survival (OS), 77.9% and 65.7%; recurrence-free survival (RFS), 64.4% and 53.2%; and disease specific survival (DSS), 77.9% and 67.7%, respectively. There was no significant difference in overall survival (P=0.52), recurrence-free survival (P=0.762) and disease specific survival (P=0.449) between patients who underwent surgery alone and those who underwent surgery plus post-operative radiotherapy. Surgery has been accepted as the primary treatment for minor salivary gland carcinoma of hard palate. Sufficient surgical excision with adequate margins is essential for a favorable outcome. We advocate using radiotherapy in the post-operative context for patients with poorly differentiated, cervical lymph node metastasis, positive or close margins, and large primary lesions.
Head and Neck-journal for The Sciences and Specialties of The Head and Neck | 2010
Xue Kui Liu; Yong Su; Naresh Jha; Ming Huan Hong; Hai Qiang Mai; Wei Fan; Zong Yuan Zeng; Zhu Ming Guo
Our aim in this study was to investigate the value of the submandibular salivary gland transfer procedure in prevention of radiation‐induced xerostomia in patients with nasopharyngeal carcinoma (NPC).
Journal of Translational Medicine | 2013
Xue Kui Liu; Xin Rui Zhang; Qian Zhong; Man Zhi Li; Zhi Min Liu; Zhi Rui Lin; Di Wu; Mu Sheng Zeng
BackgroundProtein tyrosine kinase 6 (PTK6), also known as breast tumor kinase (Brk), was a nonreceptor tyrosine kinase containing SH3, SH2, and tyrosine kinase catalytic domains. The deregulated expression of PTK6 was observed in various human cancers. However, little was known about PTK6 expression and its clinicopathological significance in human laryngeal squamous cell carcinoma (LSCC).MaterialsPTK6 expression was evaluated in 7 pairs of surgically resectable laryngeal tissues by Western blotting and in 13 pairs of surgically resectable laryngeal tissues by reverse transcription-PCR (RT-PCR). Using immunohistochemistry, we performed a retrospective study of the PTK6 expression levels on 134 archival LSCC paraffin-embedded samples. Prognostic outcomes correlated with PTK6 were examined using Kaplan–Meier analysis and Cox proportional hazards model.ResultsThe PTK6 expression level was lower in LSCC tissues than in the adjacent noncancerous epithelial laryngeal tissues by Western blots and RT-PCR. By immunohistochemical analysis, we observed high expression of PTK6 in 25 of 76 (32.9%) adjacent noncancerous epithelial laryngeal tissues and in 39 of 134 (29.1%) of LSCC, respectively. Multivariate analysis demonstrated that pN status and the expression level of PTK6 (P < 0.05) were independent and significant prognostic factors. In the primary LSCC category, median DFS (disease free survival) of high, medium and low PTK6 expression patients were 88.5 months ,74.5 months and 49.0 months (log-rank test, P = 0.002); median OS (overall survival) of high, medium and low PTK6 expression patients were 88.5 months ,76.3 months and 65.7 months (log-rank test, P = 0.002). Reduced cytoplasmic PTK6 expression in LSCC was significantly associated with late pN status (P =0.005, r = 0.27), advanced pTNM stages (III and IV) (P =0.027, r = 0.147), and poor differentiated LSCC (P <0.0001, r = 0.486). In adjacent paracancerous laryngeal epithelial samples, median DFS of high, medium and low PTK6 expression patients were 92.6 months ,75.6 months and 48.5 months (log-rank test, P = 0.020); median OS of high, medium and low PTK6 expression patients were 92.9 months ,78.9 months and 74.6 months (log-rank test, P = 0.042).ConclusionThe present findings indicated that cytoplasmic PTK6 expression is a potential prognostic factor for survival in LSCC patients. High expression of PTK6 was associated with favorable OS and DFS in LSCC patients.
Journal of Oral and Maxillofacial Surgery | 2013
Zhi Min Liu; Di Wu; Xue Kui Liu; Wei Wei Liu; Hao Li; Quan Li; Xin Rui Zhang; Zong Yuan Zeng; Zhu Ming Guo
PURPOSE The purpose of this study was to assess the clinical application and therapeutic efficacy of through-and-through cheek defects reconstructed with folded anterolateral thigh (ALT) flaps. PATIENTS AND METHODS From January 2009 to May 2012, 10 patients with through-and-through cheek defects resulting from resection of cheek tumor underwent reconstruction with the folded ALT flap at Sun Yat-Sen University Cancer Center, Guangzhou, China. Surgical procedures in harvesting the ALT flap, as well as the surgical anatomy, are described, and the success rate is reported. RESULTS All ALT flaps were fasciocutaneous flaps. One patient with a thrombotic event required operative exploration in the perioperative period. All 10 flaps were based on a single perforator for reconstruction of defects. In all 10 cases, the donor site was closed primarily for the ALT flap, leaving only a linear scar that was inconspicuous with normal clothing, and the thigh had no functional deficit. CONCLUSIONS The free ALT flap has good pliability and can be folded for the reconstruction of both the inner and outer lining of through-and-through cheek defects. This flap presents good functional results at the recipient site with the additional advantages of minimal donor-site morbidity, a very acceptable esthetic result, and a high level of patient satisfaction.
Oral Surgery, Oral Medicine, Oral Pathology, and Oral Radiology | 2013
Quan Li; Di Wu; Wei Wei Liu; Hao Li; Wei Guo Liao; Xin Rui Zhang; Zhi Min Liu; Zhu Ming Guo; Xue Kui Liu
OBJECTIVE Evaluate the impact of cervical metastasis on the survival of patients with squamous cell carcinoma (SCC) of the hard palate. METHODS 155 cases of SCC of the hard palate hospitalized in Cancer Center, Sun Yat-sen University, from 1964 to 2008 were reviewed retrospectively. RESULTS The 5-year DSS rates for N+ and N0 patients were 21.54% and 47.36% (P = .048). The 5-year DSS rates were 47.36%, 27.48%, 15.55% and 0 for N0-N3 lesions, respectively (P = .041). Cervical metastasis was detected in 40% patients for initial consultation. After therapy, those individuals who presented with clinically negative necks had a 9.03% rate of cervical metastasis. Ultimately, 49.03% of patients manifested disease to the cervical lymph nodes. CONCLUSION The presence of cervical nodal disease in patients is associated with the decreased survival rates. SCC of the hard palate should be treated aggressively, and elective neck dissection should be considered because of the high rate of cervical metastasis.
European Archives of Oto-rhino-laryngology | 2012
Quan Li; Xin Rui Zhang; Xue Kui Liu; Zhi Gang Zhang; Wei Wei Liu; Hao Li; Zhu Ming Guo
The free jejunum flap approach is the optimal option for circumferential pharyngolaryngectomy reconstruction. In this study, we designed a “watch window” for monitoring buried free jejunum flaps, thereby allowing us to assess graft viability. From 2007 to 2011, 14 patients with hypopharyngeal cancer underwent circumferential pharyngolaryngectomy that was reconstructed using a free jejunum flap at the Sun Yat-sen University Cancer Centre. During the closing of the neck incision, a “watch window” was designed for postoperative monitoring. Two patients experienced thrombosis of the pedicle. One was detected early and successfully rescued by removal of the thrombosis, the other one managed with a second free jejunum flap. The success rate of the buried flaps was 92.9%. No pharyngocutaneous fistulas or strictures occurred. All patients eventually resumed oral feeding and swallowing. The “watch window” technique for monitoring buried free jejunum flaps is simple, reliable and useful for finding vascular problems. Level of evidence Case series
Oral Surgery, Oral Medicine, Oral Pathology, and Oral Radiology | 2013
Xin Rui Zhang; Zhi Min Liu; Xue Kui Liu; Feng Hua Wang; Quan Li; Hao Li; Qiu Li Li; Zhu Ming Guo; Zong Yuan Zeng
OBJECTIVE The aim of this study was to analyze whether pathologic complete response (PCR) to neoadjuvant chemotherapy (NAC) affected long-term survival in advanced head and neck squamous cell carcinoma (HNSCC) patients. MATERIALS All patients with advanced HNSCC were previously untreated and underwent NAC followed by surgery. The 5-year overall survival, disease-free survival, local control rate, and reasons for treatment failure were analyzed. RESULTS A total of 101 cases were included, and the response rate to NAC was 67.3%, including 17 patients (16.8%) who achieved PCR. The 5-year overall survival (OS) of the PCR group (82.4%; histologically complete response group [HCG]) was higher than that of the pathologic incomplete responder group (45.4%; histologically incomplete response group [HICG]) (P = 0.045). No statistically significant difference was noted between the two groups in terms of local recurrence and nodal recurrence, but the local control rate in HCG (88.2%) was higher than that in HICG (62.7%) (P = 0.034). CONCLUSIONS Achieving PCR could improve locoregional control and long-term survival in patients with advanced HNSCC.
Chinese Journal of Cancer | 2016
Lie Qiang Liao; Hong Hong Yan; Jun Hao Mai; Wei Wei Liu; Hao Li; Zhu Ming Guo; Zong Yuan Zeng; Xue Kui Liu
BackgroundThe increasing incidence of radiation-induced osteosarcoma of the maxilla and mandible (RIOSM) has become a significant problem that can limit long-term survival. The purpose of this study was to analyze the association of clinicopathologic characteristics with treatment outcomes and prognostic factors of patients who developed RIOSM after undergoing radiotherapy for nasopharyngeal carcinoma (NPC).MethodsWe reviewed the medical records of 53,760 NPC patients admitted to Sun Yat-sen University Cancer Center during the period August 1964 to August 2012. Of these patients, 47 who developed RISOM and met inclusion criteria were included in this study. Two of these 47 patients refused treatment and were then excluded.ResultsFor all patients treated for NPC at Sun Yat-sen University Cancer Center during the study period, the total incidence of RIOSM after radiotherapy was 0.084% (47/53,760). Two patients (4.4%) had metastases at the diagnosis of RIOSM. Thirty-nine of the 45 (86.7%) patients underwent surgery for RIOSM; most patients (24/39; 61.5%) who underwent resection had gross clear margins, with 15 patients (38.5%) having either a gross or microscopic positive margin. All patients died. The 1-, 2-, and 3-year overall survival (OS) rates for the entire cohort of 45 patients were 53.3%, 35.6% and 13.5%, respectively. The independent prognostic factors associated with high OS rate were tumor size and treatment type.ConclusionsRISOM after radiotherapy for NPC is aggressive and often eludes early detection and timely intervention. Surgery combined with postoperative chemotherapy might be an effective treatment to improve patient survival.
Laryngoscope | 2010
Xue Kui Liu; Quan Zhang; Quan Li; Wei Wei Liu; Hao Li; Zong Yuan Zeng; Zhu Ming Guo
To investigate the feasibility and efficacy of laryngeal framework reconstruction using titanium mesh in patients with glottic cancer after frontolateral vertical partial laryngectomy.
Journal of Industrial Microbiology & Biotechnology | 1998
Xue-Wu Zhang; Tao Sun; Xue Kui Liu; Xiongfei Huang
Human nerve growth factor (hNGF) gene was proliferated with human leucocyte DNA as template by PCR. Then a fusion gene coding hNGF and luciferase (Luc) cDNAs was inserted into transfer vector pSXIVVI+X3/3 with the control of Syn XIV promoter. Luc and hNGF were simultaneously synthesized in Spodoptera larvae upon infection with a recombinant baculovirus, TnNPV-Luc-NGF-OCC+. Densitometric scanning of SDS-PAGE revealed that ∼18% of the total Coomassie blue-stainable protein of the infected larvae was represented by Luc protein, while the hNGF level was ∼8%. Both proteins were similar to their authentic counterparts in terms of immunoreactivity.