目的探讨肉瘤样肾细胞癌组织中PD-L1的表达及肿瘤内微血管密度情况,为肉瘤样肾细胞癌免疫治疗及靶向治疗方案的选择提供理论依据。方法通过免疫组化法检测PD-L1、CD31及CD34在16例肉瘤样肾细胞癌(癌成分均为透明细胞肾细胞癌)中的表达,...目的探讨肉瘤样肾细胞癌组织中PD-L1的表达及肿瘤内微血管密度情况,为肉瘤样肾细胞癌免疫治疗及靶向治疗方案的选择提供理论依据。方法通过免疫组化法检测PD-L1、CD31及CD34在16例肉瘤样肾细胞癌(癌成分均为透明细胞肾细胞癌)中的表达,并评估肿瘤微血管密度。结果16例肿瘤中CD31和CD34免疫组化染色显示,肉瘤样肾细胞癌区域微血管密度明显高于不伴肉瘤样分化的区域,微血管密度计数分别为68.6±25.8 vs 38.7±16.0(t=3.931,P=0.0005)和69.5±28.1 vs 40.1±18.4(t=3.506,P=0.0015),差异有统计学意义。肉瘤样区域PD-L1表达水平高于非肉瘤样区域,CPS分别为34.7±26.9和25.9±27.6,但差异无统计学意义。结论在肉瘤样肾细胞癌中,肉瘤样区域微血管密度和PD-L1表达水平明显高于非肉瘤样区域,提示靶向治疗联合免疫治疗可能为此类肿瘤提供一种有效的治疗方法。展开更多
Renal cell carcinoma represents the 16th cause of death by cancer. It is one of the most frequent kidney tumors. This tumor could behave as a good mimicker, and is frequently associated with paraneoplastic syndromes. ...Renal cell carcinoma represents the 16th cause of death by cancer. It is one of the most frequent kidney tumors. This tumor could behave as a good mimicker, and is frequently associated with paraneoplastic syndromes. Metastases to peritoneum, mesentery or omentum are very rare. Sarcomatoid renal cell carcinoma is a high-grade undifferentiated component that can be found in any subtypes of renal cell carcinoma, and is associated with an aggressive behavior and a poor prognosis. We present the case of a 59-year-old male, diabetic patient, with nephron preserved left nephrectomy through lumbotomy seven years ago, upper pole renal carcinoma, admitted to the emergency department with indeterminate shock. He underwent a diagnostic laparoscopy and then open surgery due to findings where a greater omentum subtotal infarction. Omentum microscopic examination resulted in vaguely differentiated neoplasia, with sarcomatoid like cells, highly positive to CD10 inmunolabeling. Even though renal cell carcinomas have unusual clinical presentations, this case is unique because of the convergence of extremely rare manifestations such as the combination of malignant ascites, peritoneal carcinomatosis, and contralateral suprarenal gland metachronous metastases at the major omentum with paraneoplastic syndrome type leukemoid reaction;which have not been reported previously in literature.展开更多
A case of metastatic sarcomatoid renal cell carcinoma to the mandible treated with Sorafenib is reported. A 76-year-old man consulted us for hyposthesia of the right lower lip. Panorama X-ray film showed a ra-diolucen...A case of metastatic sarcomatoid renal cell carcinoma to the mandible treated with Sorafenib is reported. A 76-year-old man consulted us for hyposthesia of the right lower lip. Panorama X-ray film showed a ra-diolucent lesion in the right mandibular body. A diagnosis of metastatic tumor to the mandible from the left kidney was made after evaluation by computed tomography and positron emission tomography, which also revealed multiple bone metastases. After radiotherapy for mandibular and thoracic lesions, nephrectomy was performed. Histological diagnosis was sarcomatoid renal cell carcinoma. Interferon therapy was performed but was not effective;therefore, a molecular targeted drug, Sorafenib, was administered. Sorafenib effectively inhibited the growth of oral and other metastatic lesions for 10 months. Quality of life was relatively well maintained with tolerable adverse effects. The patient survived for as long as 2 years after appearance of the first symptom.展开更多
Background Surgical resection is the most effective treatment for renal cell carcinoma （RCC）.Currently several prognostic factors and models are used for outcome prediction.However,whether intratumoral changes are i...Background Surgical resection is the most effective treatment for renal cell carcinoma （RCC）.Currently several prognostic factors and models are used for outcome prediction.However,whether intratumoral changes are independent prognostic factors for RCC or not remains unclear.The aim of the study was to investigate the prognostic roles of intratumoral changes in surgical treated localized clear cell renal cell carcinoma （ccRCC）.Methods Patients who received partial or radical nephrectomy between 2004 and 2009 in our center were retrospectively reviewed.Univariate and multivariate analyses were used to assess gender,age,body mass index （BMI）,intratumoral hemorrhage,tumor necrosis,cystic degeneration,sarcomatoid change,Ki-67 expression,Fuhrman grade,and T stage on recurrence-free survival （RFS） and cancer-specific survival （CSS）.Results A total of 378 patients were included in our study.In univariate analysis,age,BMI,intratumoral hemorrhage,tumor necrosis,sarcomatoid change,Ki-67 expression level,Fuhrman grade,and T stage were prognostic factors for RFS.Age,BMI,tumor necrosis,sarcomatoid change,Ki-67 expression level,Fuhrman grade,and T stage were prognostic factors effecting CSS.In multivariate analysis,age,BMI,tumor necrosis,sarcomatoid change,Ki-67,Fuhrman grade,and T stage were independent prognostic factors for both RFS and CSS.Conclusion Intratumoral changes such as tumor necrosis and sarcomatoid change are independent prognostic factors for ccRCC.展开更多
文摘目的探讨肉瘤样肾细胞癌组织中PD-L1的表达及肿瘤内微血管密度情况,为肉瘤样肾细胞癌免疫治疗及靶向治疗方案的选择提供理论依据。方法通过免疫组化法检测PD-L1、CD31及CD34在16例肉瘤样肾细胞癌(癌成分均为透明细胞肾细胞癌)中的表达,并评估肿瘤微血管密度。结果16例肿瘤中CD31和CD34免疫组化染色显示,肉瘤样肾细胞癌区域微血管密度明显高于不伴肉瘤样分化的区域,微血管密度计数分别为68.6±25.8 vs 38.7±16.0(t=3.931,P=0.0005)和69.5±28.1 vs 40.1±18.4(t=3.506,P=0.0015),差异有统计学意义。肉瘤样区域PD-L1表达水平高于非肉瘤样区域,CPS分别为34.7±26.9和25.9±27.6,但差异无统计学意义。结论在肉瘤样肾细胞癌中,肉瘤样区域微血管密度和PD-L1表达水平明显高于非肉瘤样区域,提示靶向治疗联合免疫治疗可能为此类肿瘤提供一种有效的治疗方法。
文摘Renal cell carcinoma represents the 16th cause of death by cancer. It is one of the most frequent kidney tumors. This tumor could behave as a good mimicker, and is frequently associated with paraneoplastic syndromes. Metastases to peritoneum, mesentery or omentum are very rare. Sarcomatoid renal cell carcinoma is a high-grade undifferentiated component that can be found in any subtypes of renal cell carcinoma, and is associated with an aggressive behavior and a poor prognosis. We present the case of a 59-year-old male, diabetic patient, with nephron preserved left nephrectomy through lumbotomy seven years ago, upper pole renal carcinoma, admitted to the emergency department with indeterminate shock. He underwent a diagnostic laparoscopy and then open surgery due to findings where a greater omentum subtotal infarction. Omentum microscopic examination resulted in vaguely differentiated neoplasia, with sarcomatoid like cells, highly positive to CD10 inmunolabeling. Even though renal cell carcinomas have unusual clinical presentations, this case is unique because of the convergence of extremely rare manifestations such as the combination of malignant ascites, peritoneal carcinomatosis, and contralateral suprarenal gland metachronous metastases at the major omentum with paraneoplastic syndrome type leukemoid reaction;which have not been reported previously in literature.
文摘A case of metastatic sarcomatoid renal cell carcinoma to the mandible treated with Sorafenib is reported. A 76-year-old man consulted us for hyposthesia of the right lower lip. Panorama X-ray film showed a ra-diolucent lesion in the right mandibular body. A diagnosis of metastatic tumor to the mandible from the left kidney was made after evaluation by computed tomography and positron emission tomography, which also revealed multiple bone metastases. After radiotherapy for mandibular and thoracic lesions, nephrectomy was performed. Histological diagnosis was sarcomatoid renal cell carcinoma. Interferon therapy was performed but was not effective;therefore, a molecular targeted drug, Sorafenib, was administered. Sorafenib effectively inhibited the growth of oral and other metastatic lesions for 10 months. Quality of life was relatively well maintained with tolerable adverse effects. The patient survived for as long as 2 years after appearance of the first symptom.
基金This work was supported by the grants from the National Natural Science Foundation of China （No. 81170637） and Shanghai Committee of Science and Technology General Program for Medicine （No. 11JC1402302 and No. 10ZR1438700）.
文摘Background Surgical resection is the most effective treatment for renal cell carcinoma （RCC）.Currently several prognostic factors and models are used for outcome prediction.However,whether intratumoral changes are independent prognostic factors for RCC or not remains unclear.The aim of the study was to investigate the prognostic roles of intratumoral changes in surgical treated localized clear cell renal cell carcinoma （ccRCC）.Methods Patients who received partial or radical nephrectomy between 2004 and 2009 in our center were retrospectively reviewed.Univariate and multivariate analyses were used to assess gender,age,body mass index （BMI）,intratumoral hemorrhage,tumor necrosis,cystic degeneration,sarcomatoid change,Ki-67 expression,Fuhrman grade,and T stage on recurrence-free survival （RFS） and cancer-specific survival （CSS）.Results A total of 378 patients were included in our study.In univariate analysis,age,BMI,intratumoral hemorrhage,tumor necrosis,sarcomatoid change,Ki-67 expression level,Fuhrman grade,and T stage were prognostic factors for RFS.Age,BMI,tumor necrosis,sarcomatoid change,Ki-67 expression level,Fuhrman grade,and T stage were prognostic factors effecting CSS.In multivariate analysis,age,BMI,tumor necrosis,sarcomatoid change,Ki-67,Fuhrman grade,and T stage were independent prognostic factors for both RFS and CSS.Conclusion Intratumoral changes such as tumor necrosis and sarcomatoid change are independent prognostic factors for ccRCC.
