نتایج جستجو برای: oncologic imaging and cancer staging
تعداد نتایج: 17175417 فیلتر نتایج به سال:
Prostate cancer is the most frequently diagnosed cancer in males and the second leading cause of cancer-related death in men. Assessment of prostate cancer can be divided into detection, localization, and staging; accurate assessment is a prerequisite for optimal clinical management and therapy selection. Magnetic resonance (MR) imaging has been shown to be of particular help in localization an...
Introduction: Computed tomography (CT) imaging is the choice of investigation for evaluation of extent of tumor under the mucosa, locally and regionally. This study was undertaken to assess the accuracy of preoperative CT imaging in the staging of carcinoma of the larynx and hypopharynx. Materials and Methods: In this retrospective study, all cases who were clinically (c) staged T3–T4 and w...
Imaging modalities have become increasingly significant in the treatment of laryngeal cancer. The ability of CT and MR imaging to reveal pathologic conditions that are undetectable by palpation or endoscopy has led to the development of several imaging-based systems of anatomic classification and tumor staging. This article provides an up-to-date review of the radiographic evaluation of the nor...
The purpose of the review is to: (a) provide information concerning the physiology of lung cancer imaging with fluorodeoxyglucose (FDG) positron emission tomography (PET); (b) clarify the role of FDG–PET in the diagnosis of solitary pulmonary nodules; (c) summarise the accuracy of PET scanning in the staging of lung cancer both in regard to mediastinal nodal staging and the staging of distant m...
An aberrant right subclavian artery can be diagnosed by PET/CT, as demonstrated in this case of a 70-y-old man undergoing PET/CT for staging of squamous cell carcinoma of the right lung. It is important to report this finding during the evaluation of oncologic patients, to prevent severe complications that may arise from various oncologic interventions.
background: today the use of laparoscopy before laparotomy is an effective method for decision-making in patients with gastric adenocarcinoma. the reliance on ct scans for decision-making purposes is not only unhelpful, yet also misleading . nonetheless, indications for laparoscopy and its application are changing daily. the low quality of diagnostic tools and epidemiological situation in our c...
PURPOSE There are various lymph node-based staging systems. Nevertheless, there is debate over the use of parameters such as the number of involved lymph nodes and the lymph node ratio. As a possible option, the distribution of metastatic lymph nodes may have a prognostic significance in rectal cancer. This study is designed to evaluate the impact of distribution-weighted nodal staging on oncol...
The management of thyroid cancer has been controversial and, as a result, the routine use of imaging in this disease, especially for pre-operative staging, has lagged behind other head and neck cancers. However, as more is known about the natural history of thyroid cancer, the role of imaging is becoming more established. This review focuses on how imaging now influences the staging and managem...
Recent developments in MR techniques have magnified the added value of MRI in management of patients with cervical cancer. This presentation will briefly review the role of MR in clinical practice and discuss features of recent MR technique. Cervical cancer is the second most common cancer in women worldwide, and more than 80% of cases are found in developing nations. Cervical cancer is usually...
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