Active clinical trials for "Neoplasms"

The investigators will investigate the usefulness of biannual ultrasonography versus annual non-contrast magnetic resonance imaging for surveillance of hepatocellular carcinoma in single arm patients.

To clarify the critical role of glycosyltransferases, altered Mucins, and RTKs in human ovarian and endometrial neoplasms, the study will examine the immunohistochemical expression profiles of glycosyltransferases, Mucins and receptor tyrosin kinases (RTKs) family in various stages and/or histologic subtypes of human ovarian and endometrial neoplasms and tissue microarrays.

Contrast-enhanced MRI is the most common way for evaluating neuroepithelial tumor grading and monitoring for tumor recurrence,but the ability to predict tumor behavior remains very limited.In this study, the investigators will use multi-b-value diffusion-weighted imaging(DWI),three-dimensional arterial spin labeling(3D-ASL) and dynamic contrast-enhanced MRI imaging(DCE) to evaluate neuroepithelial tumor grading and monitor for tumor recurrence.

When a polyp is found, we begin to wash it and observe it with OE mode 1.Then,the endoscopist gives a real-time optical diagnosis and the future surveillance interval.Finally,the polyp will be resected for the biopsy.

This is a study whose focus is on understanding the clinical utility of rectal ultrastructure in detecting colonic neoplasm. The method uses Low-coherence Enhanced Backscattering Spectroscopy (LEBS).

Background. Pancreatic cancer surgery is associated with very high risk of postoperative morbidity and mortality. Anastomotic leak (AL) is one of the worst complications associated with relevant short and long-term sequelae. Procalcitonin (PCT) is a biomarker used to monitor bacterial infections and guide antibiotic therapy and has been shown to have better predictive value of AL after colorectal surgery than C-reactive protein (CRP) and white blood cell count (WBC). Purpose. The investigators designed a monocentric pilot study to test if PCT might be a sensitive and reliable marker of AL after pancreatic surgery

The aim of this study is to develop a predictive model of risk of developing melanoma. The investigators will used artificial intelligence techniques to analysed images patterns obtained by clinical and dermoscopic pictures. The investigators want to defined a new predictive risk model obtained from genetic information and image analysis of pigmented lesions. This model could help to discriminate more accurately those patients who are most likely to develop melanoma in a high-risk population.

For patients with thyroid gland nodule, fine-needle aspiration biopsy has been proved to be an efficient tool for thyroid cancer diagnosis. However, it is somewhat an invasive procedure and is subject to sampling and analysis uncertainties. Thus, improved, more reliable criteria for determining which nodule should be be aspirated are needed. Ultrasound elastography has been shown to be useful in the differential diagnosis of breast and prostate cancers. Ultrasound elastography also may discriminate malignant from benign nodule.

The results of PET/MRI and PET/CT in each recruited gastric cancer patients will be compared.

This is a prospective, observational study to analyze the clinical and dosimetric factors about the radiation oral mucositis caused by radical chemo-radiotherapy for nasopharyngeal carcinoma patients and try to find the indicators for acute radiation oral mucositis.