primary neuroendocrine carcinoma (nec) of the mediastinum is a rare type of carcinoma. according to the literature, only five cases of this condition have been reported so far. in this paper, we present a rare case of mediastinal nec of unknown primary site. the patient was a 34-year-old man with mediastinal nec, who presented with chronic dry cough and a right-sided mediastinal mass one year p...

background digestive and liver diseases (ld) are among the most common causes of mortality and morbidity in iran and throughout the world. we have aimed to report the etiology and outcome of gastrointestinal and ld that needed admission in a typical tertiary referral hospital in tehran during the last decade. methods shariati hospital gastroenterology and liver disease department (gi & ld) was ...

conclusions although relative risk per 10 µg/m3 is low and sometimes mortality and morbidity attributable to pollutant seems slight because of sensitive and large population exposed to air pollutants, burden of disease associated with air pollution will be great. therefore, authorities should apply necessary actions and efforts based on comprehensive scientific researches in order to control ai...

background: benzodiazepine (bzd) toxicity alone or with other drugs is common in poisoning emergency departments of iran. the aim of this study was to evaluate the cardiovascular findings in patients with benzodiazepine poisoning upon admission to the emergency department. methods: in a prospective study which was followed by retrospective analysis, 267 patients poisoned with bzd were evaluated...

Those homogeneous polynomials P are characterized for which for arbitrary lower order polynomials Q the partial differential operator (P+Q)(D) admits a continuous linear right inverse if regarded as an operator from the space of all C∞functions on R into itself. It is shown that P has this property if and only if P is of principal type and real up to a complex constant and has no elliptic factor.

SETTING The Black Lion Referral Hospital, Addis Ababa, Ethiopia. OBJECTIVE To document indications for admission, complications and outcomes of patients with diabetes mellitus (DM) admitted between 2010 and 2013. DESIGN A descriptive retrospective study using medical files. RESULTS Of 8048 admissions, 523 (6.5%) had DM; of these, 418 medical records were retrieved: 301 (72%) patients had ...

PURPOSE Despite the importance of selecting students whom are capable for medical education and to become a good doctor, not enough studies have been done in the category. This study focused on analysing the medical students' academic performance (grade point average, GPA) differences, flunk and dropout rates by admission types. METHODS From 2004 to 2010, we gathered 369 Konyang University Co...