نتایج جستجو برای: p53 and ki67
تعداد نتایج: 16836534 فیلتر نتایج به سال:
OBJECT Thyroid cancer represents the most frequent malignancy of the endocrine system with an increasing incidence worldwide. Novel imaging techniques are able to further characterize tumors and even predict histopathology features. Texture analysis is an emergent imaging technique to extract extensive data from an radiology images. The present study was therefore conducted to identify possible...
Perfil imunoistoquímico das proteínas p53 e Ki67 em pacientes com retocolite ulcerativa inespecífica
To investigate the anti-carcinogenic effects of Atorvastatin (Atorva) on a rat bladder carcinogenesis model with N-butyl-N-(4-hydroxibutil)nitrosamine (BBN), four male Wistar rat groups were studied: (1) CONTROL: vehicle; (2) Atorva: 3 mg/kg bw/day; (3) Carcinogen: BBN (0.05%); (4) Preventive Atorva: 3 mg/kg bw/day Atorva + BBN. A two phase protocol was used, in which the drug and the carcinoge...
OBJECTIVE We studied the clinicopathological features of type AB thymoma with liver metastases and explore the histological types, diagnosis and differential diagnosis, treatment and prognosis for this disease. METHODS Liver metastasis specimens were derived from one case of type AB thymoma 5 years after operation and were examined histologically using light microscopy and immunohistochemistr...
The present study was conducted to analyze the correlation between ultrasonic characteristics, pathological type, and molecular markers of thyroid-tumor-related genes as well as to evaluate the diagnosis and prognosis of thyroid nodules. The acoustic characteristics of 130 thyroid specimens were detected. Pathological sectioning and immunohistochemical detection were performed to determine the ...
Background and Objectives:Histochemical studies have shown that differentiated gastric cancer(D-GC)can be classified according to the phenotype of expressed mucin.In the present study, we investigated the biological divergence of early stage D-GCs expressing different types of mucin. Methods:Specimens from 73 surgically resected early stage D-GCs were classified on the basis of the phenotype of...
The use of biomarkers ensures breast cancer patients receive optimal treatment. Established biomarkers such as estrogen receptor (ER) and progesterone receptor (PR) have been playing significant roles in the selection and management of patients for endocrine therapy. HER2 is a strong predictor of response to trastuzumab. Recently, the roles of ER as a negative and HER2 as a positive indicator f...
BACKGROUND Women with polycystic ovary syndrome (PCOS) are assumed to be at increased risk of endometrial cancer (EC), albeit of a more differentiated type with better prognosis than in normal women. This study was designed to test these assumptions, as evidence for them is lacking. METHODS The prevalence of polycystic ovaries (PCO), as a marker of PCOS, was investigated in ovarian sections f...
BACKGROUND Despite numerous studies, no biological marker has been identified that accurately predicts prognosis of advanced ovarian cancer. Tumors from a homogeneous population of 117 patients with a stage III/IV ovarian cancer, enrolled in a multicenter prospective GINECO clinical trial were analyzed retrospectively. PATIENTS AND METHODS All patients received the same platinum-based combina...
Molecular classification of non-invasive breast lesions for personalised therapy and chemoprevention
Breast cancer screening has led to a dramatic increase in the detection of pre-invasive breast lesions. While mastectomy is almost guaranteed to treat the disease, more conservative approaches could be as effective if patients can be stratified based on risk of co-existing or recurrent invasive disease.Here we use a range of biomarkers to interrogate and classify purely non-invasive lesions (PN...
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