introduction: delay in the diagnosis of tuberculosis increases the risk of death and enhances the transmission of disease in the community. this study aims to determine the patient and health service delay and factors affecting it in tuberculosis diagnosis. materials & methods: a cross-sectional survey that included all the public health centers was conducted in markazi province from march 2009...

background: tuberculosis (tb) is still a major cause of morbidity and mortality in both developed and developing countries. delay in accessing tuberculosis care is associated with the highest densities of mycobacterium tuberculosis (m. tuberculosis) bacilli on sputum smears. objectives: the current study aimed to determine the extent of delay, and the major health system contributing factors to...

Introduction: The diagnosis of foreign bodies in the upper aerodigestive tract is usually straightforward but sometimes it can be delayed or the location of esophageal and upper airway foreign bodies can be mistakenly interchanged.  Case Report: We present two interesting cases that caused diagnostic challenges which could have led to serious complications if a greater delay in diagnosis ha...