This definition appears rarely
See other definitions of T/N
Samples in periodicals archive:
Mice bearing EMT-6 mammary carcinomas received a single intravenous injection of 1. 9 nm-diameter gold particles (AuroVist™-1. 9 nm), up to 2. 7 g Au/kg body weight, which elevated concentrations of gold to 7 mg [Au]/g in tumors. Tumor-to-normal-tissue gold concentration ratios remained ~8:1 during several minutes of 250 kVp X-ray therapy. Tumor volume was then monitored over 30 days in four groups of mice: (a) no treatment; (b) gold only (1.
≥ 33. 33) and in adjacent normal tissue (0 vs. > 0, < 10 vs. ≥ 10, or < 2 vs ≥ 2) was significantly associated with a higher risk of recurrence and poor OS. High tumor to normal ratio for PD-L1 staining was also associated with higher risk of recurrence and poorer OS. Mutations in CTLA4, PD-1 and PD-L1 genes were very rare. No association of CTLA-4 or PD-L1 gene expression differences or CNV with survival in patients groups defined by histology or smoking status.
On unenhanced scan, the MTSCC-K, as many of the other subtypes of solid RCCs, are with attenuation values ranged from 31 to 40 HU. And the attenuation values were ranged from 38 to 50 HU on CMP, 45 to 67 HU on NP, respectively. Many previous studies suggest that MTSCCs may represent a variant of papillary RCC [2,6], but the CT features are different of them. Post contrast CT image of papillary RCC in the CMP and NP shows uniform, mild enhancement approximately of 30 HU . Zhang and his colleagues  suggested that low tumor-to-aorta enhancement ratio or tumor-to-normal.
Consequently, many probes targeting general molecular events including metabolism, angiogenesis, hypoxia and apoptosis in melanoma have been successfully developed. Our research has focused on developing novel small molecules based PET probes targeting melanoma associated specific targets such as melanin, etc. Small molecule benzamide analogs can bind with melanin overproduced in malignant melanoma. Through rational design of the probes and further in vivo evaluation of several PET radionuclide labeled compounds, we have successfully identified 18F-benzamide analogs 18F-FBZA, 18F-P3BZA, 18F-FPDA which display excellent properties for melanoma imaging. Especially, 18F-P3BZA was found to specifically target melanoma with high tumor uptakes and good tumor to normal.
By comparing DNA isolated from the tumor to normal.
Neurolemoma A benign, encapsulated neoplastic tissue consisting of Schwann cells. Oncogenes A family of genes that may foster malignant processes if mutated or activated by retrovirus. Ossification The formation of bone. Papilloma A benign epithelial neoplasm. Pedunculated A stalk-like connecting structure attaching a tumor to normal.