paragangliomas in the head and neck are found typically in the region of the carotid body, jugular body, and along the 9th and 10th cranial nerves. they can occur in multicenteric forms, but generally, laryngeal paragangliomas are not found in these patients. only two cases of laryngeal paraganglioma have been reported with a synchronous lesion elsewhere. we report an additional case of a 34-ye...

abu hafs al-haddad was one of the masters and founders of malāmatiyya (or malamatis) in nishapur in the 9th century (about 3rd hijri century). through a deep study of ancient sources, in present article, we have rendered some valuable details about his life and family, some of the aspects that reflect the main lines of his thoughts have been made clear, on one hand; and the principles of malāma...

Background and Purpose—Prior annualized estimates of pediatric ischemic stroke incidence have ranged from 0.54 to 1.2 per 100 000 US children but relied purely on diagnostic code searches to identify cases. We sought to obtain a new estimate using both diagnostic code searches and searches of radiology reports and to assess the relative value of these 2 strategies. Methods—Using the population ...

BACKGROUND Nephrolithiasis in children is associated with a high rate of complications and recurrence. OBJECTIVES Since some evidences reported that zinc has an important place amongst inhibitors of crystallization and crystal growth, we decided to assess the effectiveness of oral zinc sulfate as adjuvant treatment in children with nephrolithiasis. PATIENTS AND METHODS This was a randomized...