Application of the three-dimensional visualization and 3D printing technology for the preoperative evaluation of retroperitoneal tumors

目的探讨三维重建及3D打印技术在腹膜后肿瘤术前评估中的应用价值。方法回顾性分析2011年3月至2015年9月厦门大学附属成功医院收治的50例腹膜; 后肿瘤病人的临床资料,应用人体器官三维建模软件将病人的CT二维图像重建成三维可视化图像,使用人体器官模型3D打印设备,用两色热塑性塑料打印实物模; 型,通过观察肿瘤与腹腔器官、腹部大血管之间的关系进行术前评估并制定手术方案。实施手术,术中比较重建结果与实际的区别。结果50例病人均成功完成三维; 重建,其中10例病人完成3D打印,三维重建结果及3D打印模型能够立体、清晰和实物化的显示肿瘤解剖学位置及与周围器官、血管的毗邻关系,与术中实际情; 况大致相符。50例病人均顺利施行手术,术中无死亡。结论三维重建及3D打印技术能够对腹膜后肿瘤术前进行精准评估,对指导手术具有一定的应用价值。Objective To explore the application value of three dimensional; visualization and 3D printing technology in the preoperative evaluation; of retroperitoneal tumors. Methods March 2011 to September 2015,the; clinical data of 50 cases of retroperitoneal tumor patients in Xiamen; University Affiliated successful hospital were retrospectively analyzed.; Xiamen strong science and technology R & D human organ 3D modeling; software will reconstruct 2D CT image visualization into a; three-dimensional visualization image,and then it can print physical; model with the company's XMQB-I human organ model 3D printing equipment; and white thermoplastic. At last,preoperative evaluation and surgical; plan can be made through the relationship between the tumor,organs in; abdominal cavity,and abdominal vascular. During the surgery,make a; comparison between the visualization results with the actual condition.; Results 50 cases of patients were successfully completed the; three-dimensional visualization,including 10 cases of patients; completed. Three-dimensional visualization and 3D printing model can; three-dimensionally,clearly show the adjacent relationship between the; anatomical tumour location and surrounding organs and blood; vessels,broadly in line with the actual surgery. 50 surgeries were; successfully performed,no death during perioperative period. Conclusion; Three dimensional visualization and 3D printing technology can make an; accurate preoperative evaluation of retroperitoneal tumors,which has a; certain application value for guiding surgery.国家自然科学基

结肠癌伴孤立巨大肝转移切除术一例

患者男,72岁,因“反复中上腹胀痛不适1月余“入院;既往有乙肝病史,无高血压、糖尿病、心脏病等病史,无手术史。入院查CT示:左肝巨大占位,约22.1 CMx11.3 CM,与胃小弯粘连(图1);门静脉右支无显示(图2),左结肠壁增厚,考虑结肠癌肝转移可能。肿瘤标记物检查示:CEA 54.52μg/l,CA19-9 120.10 u/Ml,AfP正常,血常规、血液生化分析未见国家自然科学基金资助项目(81272246、81101502、61271336、61327001

Application of a three-dimensional visualization technology for precise before retroperitoneal tumor surgery(Report of 15 cases)

目的探讨三维可视化技术在腹膜后肿瘤术前评估中的应用价值。方法回顾性分析2011年3月至2013年12月厦门大学附属成功医院收治的15例腹膜后肿瘤病人的临床资料,应用三维可视化技术将病人术前二维CT图像进行三维可视化重建,通过观察肿瘤与腹腔脏器、腹部大血管之间的关系及测量肿瘤体积、手术模拟进行术前评估。对实施手术的病人,比较重建结果与实际手术的区别,对模拟切除肿瘤体积与实际切除肿瘤体积进行相关性分析。结果 15例病人三维可视化重建后图像清晰立体地显示肿瘤组织、腹腔实质脏器、腹腔大血管的解剖结构及毗邻关系,12例评估后行腹膜后肿瘤切除术,三维重建肿瘤的解剖关系与术中大致相符。12例手术病人术前模拟切除肿瘤体积(1117.50±690.35)M l,实际切除肿瘤体积(1189.92±737.74)M l,两者比较差异无统计学意义(T=0.25,P>0.05),具有相关性(r=0.81,P0.05).The actual liver resection volume was positively correlated with the predicted liver resection volume(r=0.81, P<0.05).Conclusions The three-dimensional visualization technology has acertain degree of clinical value in the precise before retroperitoneal tumor surgery.国家自然科学基金资助(No.81272246;81101502;61271336;61327001

浦城县大口窑调查勘探报告

浦城县大口窑是宋元时期闽北地区一处著名的窑场,以烧造青白瓷为主,此外还兼烧部分酱釉瓷、少量绿釉瓷等。器型种类丰富,质量较高,窑业技术与江西景德镇窑关系密切。其产品在东亚、东南亚等地有发现,是福建一处重要的外销瓷生产地

Damage to mangroves from extreme cold in early 2008 in southern China

通讯作者Author for correspondence (E-mail: [email protected])2008年初,我国南方19个省经历了50年一遇的持续低温雨雪冰冻天气。极端气候对华南沿海各省的红树林区造成不同程度的危害。2008年3月,在我国南方各省红树林区的10个代表性地点,对这次寒害造成的红树植物伤害程度进行了系统的调查。结果表明:冬季低温对红树林的影响极为显著,特别是在低纬度的海南、广西和广东湛江,由于极端低温正值夜间退潮,对红树林的影响更为显著;在纬度较高的福建,本地红树种类秋茄(Kandelia obovata)、桐花树(Aegiceras corniculatum)和白骨壤(Avicennia marina)及引种的木榄(Bruguiera gymnorrhiza)等,由于长期适应于冬季较低的气温或在种植前经过抗寒锻炼,具有较强的抗寒能力。各地主要红树植物中,广布种秋茄、桐花树和白骨壤最为耐寒,其耐寒性均大于红树科的木榄、海莲(Bruguiera sexangula)和红海榄(Rhizophora stylosa)。海桑(Sonneratia caseolaris)对温度的敏感性最强,抗寒能力最低,因此,即使在其原产地海南也受到较为严重的寒害,在纬度更高的引种地出现大面积受害甚至全部死亡,而从孟加拉国引种的无瓣海桑(Sonneratia apetala)却显示出一定的抗寒能力。同一地点的红树植物幼苗的抗寒能力低于大树。此次寒害也造成了苗圃场的种苗大量死亡,成熟的植株提前落花落果,这势必会影响后继一两年内红树林的自然更新和人工造林。因此,在未来红树林造林或人工引种中,一定要考虑到红树植物的抗寒能力。国家自然科学基金(30671646和30700092);厦门大学“闽江学者”启动基

Clinical Research of Mini-invasive Preservation of Gallbladder and Removal of Calculi by Laparoscope Combined with Choledochoscope

目的:探讨腹腔镜联合胆道镜保胆取石/息肉术的临床疗效及安全性。方法:回顾分析2011年3月—2012年9月采用腹腔镜联合胆道镜成功行保胆取石/息肉术的376例患者的临床资料。结果:手术平均时间(90±12)MIn,平均住院时间(5±1)d。手术均治愈顺利出院,无胆漏、胆囊及胆管出血、腹腔感染、胆石及息肉残留等并发症的发生。术后随访6~14个月,结石复发3例,复发率1.0%。结论:腹腔镜联合胆道镜保胆取石术应严格掌握适应证。双镜联合取石安全、可行、有效。Objective:To explore the clinical efficacy and safety of mini-invasive preservation of gallbladder and removal of calculi/polyp by laparoscope combined with choledochoscope.Methods:The clinical data of 376 patients who underwent preservation of gallbladder and removal of calculi/polyp by laparoscope combined with choledochoscope from March 2011 to September 2012 were retrospectively analyzed.Results:The mean operative time was(90±12)min,and the mean hospital stay was(5± 1)d.All patients were cured and discharged.No complications such as bile leakage,gallbladder or bile duct hemorrhage,abdominal infection,residual calculi or polyps occurred.During the follow-up of 6 to 14 months,the recurrence of calculi occurred in3 cases and the recurrence rate was 1.0%.Conclusions:It is safe,feasible,and effective to manage gallbladder calculi by mini-invasive gallbladder preservation surgery with combination of laparoscope and choledochoscope.However,the indications should be strictly selected