T ree cases of sarcomas of theJ we femur were treated by region-a?ir? ation with overdosage of me-chlorethamine for 3 weeks and there-after a high amputation was done,and the distal leg was replantedwith the length that the anklewould act as a knee joint and thefoot pointing backword. Follow-upfor 1 -5 years discovered no me-tastasie of the tumor and the artifi-cial limb showed a better function.
This article reviews the development and progress in the field of limb salvage treatment, surgical techniques, and function reconstruction of pelvic malignant tumors in China in the past 30 years. Based on the surgical classification of pelvic tumor resection in different parts, the development of surgical techniques and bone defect repair and reconstruction methods were described in detail. In recent years, in view of the worldwide problem of biological reconstruction after pelvic tumor resection, Chinese researchers have systematically proposed the repair and reconstruction methods and prosthesis design for bone defects after resection of different parts for the first time in the world. In addition, a systematic surgical classification (Beijing classification) was first proposed for the difficult situation of pelvic tumors involving the sacrum, as well as the corresponding surgical plan and repair and reconstruction methods. Through unremitting efforts, the limb salvage rate of pelvic malignant tumors in China has reached more than 80%, which has preserved limbs and restored walking function for the majority of patients, greatly reduced surgical complications, and achieved internationally remarkable results.
Objective To investigate the clinical features, treatment methods, and prognostic influence factors of patients with malignant peripheral nerve sheath tumor (MPNST). MethodsA retrospective analysis was conducted on 96 MPNST patients treated between January 1, 2015 and December 31, 2021. There were 46 males and 50 females, aged between 15 and 87 years (mean, 48.2 years). The tumors were located in the trunk in 50 cases, extremities in 39 cases, and head and neck in 7 cases. The maximum tumor diameter was <5 cm in 49 cases, ≥5 cm in 32 cases, with 15 cases missing data. Tumor depth was deep in 77 cases and superficial in 19 cases. The Fédération Nationale des Centres de Lutte Contre le Cancer (FNCLCC) histological grading was G1 in 9 cases, G2 in 12 cases, and G3 in 34 cases, with 41 cases missing data. There were 37 recurrent MPNST cases, 32 cases with neurofibromatosis type 1 (NF1), and 26 cases in stage Ⅳ. Postoperative adjuvant radiotherapy was administered to 25 patients, perioperative chemotherapy to 45 patients, and anlotinib-targeted therapy to 30 patients. R0 resection was achieved in 73 cases. Patients were divided into groups based on the presence or absence of NF1, and baseline data between the two groups were compared. Kaplan-Meier curves were generated to assess disease-free survival (DFS) and overall survival (OS) based on various factors (age, gender, presence of NF1, recurrent MPNST, stage Ⅳ MPNST, FNCLCC grade, R0 resection, tumor location, tumor size, tumor depth, perioperative chemotherapy, postoperative adjuvant radiotherapy, and anlotinib-targeted therapy), and differences between survival curves were analyzed using the Log-Rank test. Multivariate COX proportional hazards regression was used to identify independent prognostic factors for MPNST. Results Patients with NF1 had a significantly higher proportion of superficial tumors and lower FNCLCC grade compared to those without NF1 (P<0.05); no significant difference was found for other variables (P<0.05). Kaplan-Meier analysis showed that recurrent MPNST, stage Ⅳ MPNST, FNCLCC grade, R0 resection, perioperative chemotherapy, and anlotinib-targeted therapy were factors influencing 1-year DFS (P<0.05), while stage Ⅳ MPNST, FNCLCC grade, and perioperative chemotherapy were factors affecting 3-year OS (P<0.05). Multivariate COX proportional hazards regression analysis revealed that recurrent MPNST and high-grade FNCLCC (G3) were independent prognostic factors for 1-year DFS (P<0.05), while stage Ⅳ MPNST, superficial tumor depth, age over 60 years, postoperative adjuvant radiotherapy, and anlotinib-targeted therapy were independent prognostic factors for 3-year OS (P<0.05). Conclusion MPNST patients with NF1 tend to have more superficial tumors and lower FNCLCC grades. FNCLCC grade, R0 resection, and adjuvant therapies, including radiotherapy and anlotinib-targeted therapy, are closely associated with MPNST prognosis. Complete surgical resection should be prioritized in clinical management, along with adjuvant treatments such as radiotherapy and targeted therapy of anlotinib to improve patient outcomes.
目的总结巨大纵隔肿瘤的外科治疗方法。 方法回顾性分析我院胸外科2008年10月至2013年10月18例巨大纵隔肿瘤患者的临床资料，其中男10例、女8例，年龄33.5（13～63）岁。肿瘤完整切除12例，大部分切除6例；良性肿瘤11例，恶性肿瘤7例。 结果全组围手术期无死亡病例，术中呼吸循环衰竭2例。术后发生复张性肺水肿2例，损伤喉返神经l例，肌无力危象1例，心律失常10例，胸腔活动性出血再次开胸止血l例，经治疗均恢复良好出院。 结论手术治疗是巨大纵隔肿瘤的主要治疗方法，良性肿瘤患者手术效果佳，恶性者生存时间与组织分化及肿瘤分期有关，手术以缓解症状为主。
目的 探讨急诊条件下胆囊结石合并胃恶性肿瘤的诊断与治疗。方法 回顾性分析6例因胆囊结石行胆囊切除、术中意外发现胃恶性肿瘤患者的临床资料及治疗过程。结果 6例患者中5例发现胃癌，1例发现原发性胃恶性淋巴瘤。5例施行胃癌根治术，1例施行全胃切除术，无术后并发症，术后定期化疗，随访6～43个月，至术后随访截止日（2008年12月）均存活。结论 老年胆囊结石患者应注意合并胃恶性肿瘤的可能，胆囊切除术中仔细探查胃及周围器官极为重要，同时施行根治性切除是最佳选择。
ObjectiveTo explore risk factors and prognosis of unplanned reoperation in patients with malignant tumors of digestive tract. MethodsThe clinical data of patients with malignant tumors of digestive tract underwent unplanned reoperation who treated in the Department of General Surgery, the Northern District of the Shanghai Ninth People’s Hospital from January 2014 to December 2017 were retrospectively collected, and each operation was matched in a ratio of 1∶3 as a case-conontrol study object. The risk factors and prognosis of unplanned reoperation were analyzed by the basic information, surgical related informations, and postoperative relevant informations. ResultsThere were 33 cases of unplanned reoperation in the 588 patients with malignant tumors of digestive tract treated surgically, 8 cases died after the unplanned reoperation. The analysis results showed that the basic diseases, history of previous abdominal surgery, preoperative anemia, the first operative time >4 h and intraoperative blood loss ≥400 mL were the independent risk factors of the unplanned reoperations (P<0.050); the basic diseases, unplanned preoperative hemoglobin <90 g/L and intraoperative blood loss ≥400 mL were the independent factors of death for patients with unplanned reoperation (P<0.050). ConclusionsEffective intervention on independent risk factors associated with unplanned reoperation in patients with digestive tract malignant tumors can reduce incidence of unplanned reoperation in future and improve prognosis.
目的 探讨胰腺恶性纤维组织细胞瘤的诊断及治疗。方法 对兰州大学第一医院收治的1例胰腺恶性纤维组织细胞瘤患者，结合国、内外文献对其临床特点，影像学、病理学及免疫组化特征、治疗和预后进行分析。结果 行胰腺肿瘤切除，术后医用直线加速器采取三维适形精确放疗，随访9个月，未见肿瘤复发。结论 胰腺恶性纤维组织细胞瘤恶性度高，易复发、转移，生存率低，诊断主要依靠病理和免疫组化检查。外科手术联合放射治疗可延长生存时间和延缓肿瘤的复发。
Bone malignancies exhibit the characteristics of high incidence, poor prognosis, and strong chemoresistance. Exosomal microRNAs can regulate the proliferation of bone malignant cells, improve chemoresistance, influence cell communication and the microenvironment, and have significant potential in the diagnosis and treatment of bone malignancies. Due to their stability, exosomal microRNAs can serve as non-invasive biomarkers for diagnosis and prognosis. However, their widespread application in clinical settings requires standardized research. This review summarizes the progress of exosomal microRNA research in various bone malignancies including osteosarcoma, chondrosarcoma, Ewing sarcoma, and fibrosarcoma, to provide new theoretical foundations and perspectives for the field.