when considering a patient with dysphagia, an attempt should be made to determine whether the patient has difficulty only with solid boluses (suggestive of mechanical dysphagia) or with liquids and solids (suggestive of a motility dysphagia). lesions such as an oesophageal tumor and external pressure effect from a lung tumor or aberrant vessel can lead to mechanical dysphagia. endoscopy and / o...

SUMMARY Ten cases of cystic meningioma are reported and the literature is reviewed. The cyst formation with meningioma is rarely seen and are frequently associated with glial or metastatic tumor. The computerized tomography appearance of our cases also resembling glial and metastatic appearance of our cases also resembling glial and metastatic tumor. The incidence of microcystic and cystic cha...

in nuclear medicine, there are two methods of imaging, planar and tomography. single photon emission computerized tomography (spect) shows better image details and therefore is influenced more by image parameters such as resolution, uniformity, sensitivity, etc. manufacturers provide customers with data which are obtained by complicated and sometimes secret methods. marketing companies test and...