نتایج جستجو برای: pertechnetate
تعداد نتایج: 857 فیلتر نتایج به سال:
UNLABELLED Small-molecule ligands specific for prostate-specific membrane antigen (PSMA) have the potential to improve prostate cancer imaging. However, highly charged ligands are difficult to label with 99mTc and to purify. In this study, we present an adamantane-trimerized small molecule that has nanomolar binding to PSMA and also has 12 negative charges. METHODS To convert this molecule in...
Background: Local abla ve treatments play an important role for pa ents who cannot be treated surgically. Radiofrequency abla on is a well-established alterna ve to surgical treatment of thyroid nodules, however it also has disadvantages. Microwave abla on (MWA) is a new minimally invasive treatment promising several improvements. The aim of this retrospec ve study was to evaluate the effects o...
UNLABELLED Pertechnegas, a variant of technegas, produces similar ventilation images with a much increased clearance rate. This work aims to determine the properties of pertechnegas and its use as a ventilatory agent. METHODS Fourteen men and 11 women were scanned for PE, after pertechnegas ventilation. Six were reimaged with technegas within 1 wk. Studies were reported according to PIOPED cr...
The utilisation of the Na/I symporter (NIS) and associated radiotracers as a reporter system for imaging gene expression is now reaching the clinical setting in cancer gene therapy applications. However, a formal assessment of the methodology in terms of normalisation of the data still remains to be performed, particularly in the context of the assessment of activities in individual subjects in...
BACKGROUND/AIM Primary hyperparathyroidism (pHPT) is an endocrine disease with the third highest incidence of all endocrine disorders after diabetes mellitus and hyperthyroidism. pHPT is typically caused by a solitary parathyroid adenoma, less frequently by multiple parathyroid gland disease (MGD) and rarely by parathyroid carcinoma. Secondary hyperparatyroidism (sHPT) is a common complication ...
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