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排序方式: 共有352条查询结果,搜索用时 15 毫秒
1.
Stature estimation based on hand length and foot length   总被引:1,自引:0,他引:1  
This study was carried out to estimate the relationship between hand length, foot length and stature using multiple linear regression analyses based on a sample of male and female adult Turks residing in Adana. Measurements of hand length, foot length and stature were taken from 155 adult Turks (80 male, 75 female) aged 17-23 years. The participants were students of the Medical Faculty of Cukurova University. A multiple linear regression model was fitted to the observed data. Stature was taken as the response or dependent variable, hand length and foot length were taken as explanatory variables or regressors. All possible (simple and multiple) linear regression models for each of males, females and both genders together were tested for the best model. The multiple linear regression model for both genders together was found to be the best model with the highest values for the coefficients of determination R2 = 0.861 and R2adjusted = 0.859, and multiple correlation coefficient R = 0.928.  相似文献   
2.
The role of survivin that regulates the biological behavior of non-small-cell lung carcinoma (NSCLC) is still controversial. We aimed to investigate survivin expression in NSCLC and to define any correlation with expressions of p53, bcl-2, bax, apoptotic index (AI), tumor cell proliferation, clinicopathologic variables, and overall survival. Tumors of 63 patients with NSCLC were examined for expressions of survivin, p53, bcl-2, bax, and Ki-67 by immunohistochemistry. AI was also evaluated. Results for each antibody were correlated with each other, and with clinicopathologic variables including age, sex, histologic subtype, TNM (T: primary tumor, N: regional lymph node metastasis, M: distant metastasis) stage, lymph node status, smoking history, and prognosis. Nuclear survivin expression was inversely correlated with p53 expression (P = 0.04, r = - 0.367), and tumor stage (P = 0.03, r = - 0.273), and positively correlated with tumor cell proliferation (P = 0.009, r = 0.329). Cytoplasmic survivin expression positively correlated with smoking history (P = 0.02, r = 0.282). Survivin/bax ratio was inversely correlated with AI (r: - 0.004). By Kaplan-Meier analysis, TNM stage (P < or = 0.001), lymph node metastasis (P = 0.04), and Ki-67 index (P < or = 0.001) were associated with survival, whereas survivin was not. In multivariate analysis, only TNM stage was an independent predictor. Although survivin and other apoptosis-related protein expressions fail to predict the clinical outcome, the present findings suggest that survivin is involved in tumor cell apoptosis and proliferation and may play a role in critical steps of cancer progression in NSCLC.  相似文献   
3.
胸锁乳突肌肌骨膜瓣喉气管重建术动物实验与临床应用   总被引:1,自引:0,他引:1  
为探讨胸锁乳突肌肌骨膜瓣在喉气管重建术中的作用,切除狗环状软骨弓及部分气管前壁造成缺损,取胸锁乳突肌肌骨膜瓣修复,分别于术后2个月~8个月处死动物,观察修复情况,并取材作光镜及扫描电镜检查。结果发现:胸锁乳突肌肌骨膜瓣行喉气管重建具有良好支撑力,修复的呼吸道通畅,无瘢痕及肉芽组织形成,移植骨膜表面为粘膜上皮覆盖,深层有新骨组织形成。临床治疗5例患者,均拔除气管套管,恢复正常呼吸功能。胸锁乳突肌肌骨膜瓣是理想的喉气管重建材料。  相似文献   
4.
鼻内窥镜手术治疗鼻息肉65例临床观察   总被引:1,自引:0,他引:1  
目的:观察鼻内窥镜手术治疗鼻息肉之效果。方法:65例(120侧)鼻息肉患者进行界内窥镜手术,术后随访6~15月。结果:参照FESS-95广州标准,痊愈78侧(65%);好转32侧(26.7%);无效10侧(8.3%)。结论:1)横行切除中鼻甲前五1/3~1/2,有助于减少中鼻甲与鼻腔外侧壁粘连,改善窦道复合体引流,减少息肉复发;2)术前细致研究鼻窦CT片,熟悉鼻窦解剖及术后加强换药,是防止手术并发症和提高疗效的关键。  相似文献   
5.
Summary The authors report four patients with intracranial hydatic cysts. One patient had a pontine lesion which was punctured and aspirated and the cyst wall removed with a satisfactory outcome. The second patient had multiple cysts which was comparable to meningeomatosis. She had a rapidly deteriorating neurologic condition which proved to be fatal in spite of two consecutive surgical interventions. The third patient had nine lesions although only six were evident on the MRI. All of the cysts were removed, while two cysts ruptured. Multiple paracardial cysts of this patient were surgically removed shortly after the craniotomy. The last patient, again with multiple intracranial hydatid cysts had safe, total removal of all cysts. The first postoperative control CT raised the possibility of recurrence since the CT was highly suggestive of a hydatid cyst. However, this was not confirmed in the follow-up CT examination. Problems and the solutions of management are discussed.
Behandlung problematischer intrakranieller Echinococcus-Zysten
Zusammenfassung Die Autoren berichten über vier Fälle mit intrakraniellen Echinococcus-Zysten. Eine Patientin hatte eine Brückenläsion, die durch Punktion und Aspiration des Zysteninhaltes mit Entfernung der Zystenwand behandelt wurde. Die zweite Patientin wies multiple Zysten auf, die mit einer Meningomatose vergleichbar waren. Trotz zweier chirurgischer Interventionen kam es zur raschen neurologischen Verschlechterung mit tödlichem Ausgang. Der dritte Patient hatte neun Herde, von denen sich im Kernspintomogramm nur sechs darstellten. Alle Zysten wurden entfernt. Bei zwei Zysten kam es zur Ruptur. Kurz nach der Kraniotomie wurden bei diesem Patienten multiple parakardiale Zysten chirurgisch entfernt. Bei der vierten Patientin bestanden ebenfalls multiple intrakranielle Echinococcus-Zysten, die alle sicher exstirpiert werden konnten. Beim ersten postoperativen Kontroll-CT bestand aufgrund der zystenähnlichen Strukturen Verdacht auf ein Rezidiv, der sich bei der Wiederholungsuntersuchung jedoch nicht bestätigte. Probleme und therapeutisches Management werden diskutiert.
  相似文献   
6.
Annals of Nuclear Medicine - This study investigates the prognostic value of 68Ga-Pentixafor PET/CT using PET-derived quantitative in multiple myeloma (MM) patients with suspected recurrence in...  相似文献   
7.
目的探讨MRI、多层螺旋CT(MSCT)与数字减影血管造影(DSA)在急性脑梗死临床诊断中的应用。方法对本院2019年3月~2020年12月100例疑似急性脑梗死患者的临床资料进行回顾性分析,所有患者均接受MRI、MSCT及DSA检查,以DSA结果为金标准,分析MRI、MSCT诊断结果与DSA结果的一致性,计算MRI、MSCT诊断急性脑梗死的准确度、特异性、敏感度、阳性预测值、阴性预测值。结果DSA诊断结果显示,100例疑似急性脑梗死患者中,急性脑梗死患者79例,非急性脑梗死患者21例;MRI诊断结果显示,急性脑梗死患者77例,非急性脑梗死患者23例,与DSA诊断结果一致性分析,Kappa值为0.637;MSCT诊断结果显示,急性脑梗死患者71例,非急性脑梗死患者29例,与DSA诊断结果一致性分析,Kappa值为0.524。MRI对急性脑梗死的诊断准确度、敏感度分别为92.00%、93.67%均高于MSCT的82.00%、83.54%(P < 0.05)。MRI对发病24 h内、发病72 h内检出率分别为89.29%、87.50%,高于MSCT的64.29%、70.83%(P < 0.05)。结论MRI、MSCT对急性脑梗死的诊断结果与DSA具有较好的一致性,但MRI诊断优势更加明显,可为临床尽早拟定治疗方案提供参考。   相似文献   
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10.

Objective

Low grade gliomas (LGGs) are slow-growing primary brain tumors with heterogeneous clinical behaviors. The aim of our study is to review the treatment outcome of 63 patients with LGGs focusing on surgical outcome and the current therapeutic strategy.

Methods

We retrospectively enrolled 63 patients surgically treated for LGGs. The gross total resection (GTR) was performed in 35 patients (60.3%), subtotal resection (STR) was performed in 19 patients (31.7%) and partial resection (PR) or biopsy was performed in 9 patients (14.3%). We analyzed their progression-free survival (PFS), overall survival (OS), and malignant transformation with regard to age, gender, Karnofsky performance score (KPS), clinical presentation, tumor location, radiologic pattern, contrast enhancement, extent of removal, pathologic subtype, chemotherapy (CT) and radiotherapy (RT) treatment.

Results

Among all LGGs, the 3-year OS rate was 80% and the 5-year OS was 76%. The 3-year PFS rate was 83.6% and the 5-year PFS was 25%. The non-eloquent area location showed a longer PFS than the eloquent area location (p = 0.05). Oligodendroglial pathology showed a longer PFS compared to oligoastrocytomas and astrocytomas (p = 0.02). Patients older than 60 years had poorer OS than younger patients (p < 0.05). Female gender had a shorter OS than male gender (p < 0.05), and a KPS of 90 or 100 had a longer OS than a KPS of 80 (p < 0.05). Oligodendroglial pathology statistically correlated with a longer OS (p < 0.05).

Conclusion

The findings from our study, which were confirmed by uni- and multivariate analyses, demonstrated that radical tumor resection was associated with better long-term outcomes and tumor progression for patients with LGG.  相似文献   
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