introduction radon is a colorless and tasteless gas which exists in most soils. it is a substance that poses a potential risk for lung cancer in case a person is exposed to high levels over long periods of time. the environmental protection agency (epa) estimates that 90% of lung cancers per year are caused by radon. the aim of this paper is to estimate the absorbed doses of 222rn by mcnpx simu...

congenial cystic adenomatoid malformation of the lung (ccaml) is a rare lesion and is characterized by a multicystic mass of pulmonary tissue with an abnormal proliferation of bronchial structures. we report a case of ccaml type i presenting with heart displacement that was diagnosed prenatally.

background: many of the multiple traumatized patients who refer to the hospital need transfusion. transfusion-related acute lung injury (trali) is a serious clinical syndrome associated with the transfusion of plasma-containing blood components. in the article, we present a case of trali following transfusion of packed red blood cells case presentation: a 24 year old male referred to shahid beh...

background ureaplasma urealyticum (u. urealyticum) and mycoplasma hominis (m. hominis) are two important pathogens in neonatal respiratory tract infections. as low gestational age and birth weight increase the colonization rate with these pathogens, and they are also risk factors of chronic lung disease (cld), it is difficult to establish a statistically significant relation between these two f...

conclusions pressure support ventilation, but not spontaneous breathing, induces a significant redistribution of ventilation towards the ventral region. the sensitivity of the support trigger appears to influence the distribution of ventilation only during the early phase of inspiration. background in supine position, pressure support ventilation causes a redistribution of ventilation towards t...

conclusions increasing evidence supports the use of ecmo as a bridge to lt, reporting good outcomes. in the modern era of pah therapy, it is feasible to use prolonged ecmo support as a bridge to lung transplant, with the aim of weaning off this support; however, its use requires more experience and knowledge of long-term outcomes. introduction the use of extracorporeal membrane oxygenation (ecm...

background welding is defined as linking two metals with a local conjunction in sufficient thermal, pressing and metallurgical condition. there are several methods for linking two metals in welding. objectives welding is one of the professional jobs in iran, yet there have not been considerable studies on its harmful effects. the current study aimed to compare lung functional tests between weld...

Sclerosing hemangioma of the lung is extremely rare.  Herein, a case of sclerosing hemangioma of the lung in a 44-year-old woman is reported.  On admission, the patient complained of pain in the left lower neck and upper chest.  Chest x-ray revealed a mass in lingular lobe of the left lung.  The patient underwent surgery and a mass was removed through left posterolateral thoracotomy.  Pathologi...

Background: Lower lung field tuberculosis is atypical presentation of pulmonary tuberculosis which often causes confusion in diagnosis. HIV/AIDS epidemic has considerably increased its incidence. This study was designed to identify the prevalence and different clinical conditions of lung tuberculosis in conjunction with its common clinical and radiological presentations and its treatment. Metho...