PURPOSE: Refractive index (RI) is unique in discriminating various tissues. It is dependent on water and solid components such as protein and phospholipid of brain tissue resembling hydrogel. Our purpose was to determine RI of normal and pathological tissues of brain from the MR T2 relaxation time (T2 value) to determine relative water and solid contents of a tissue and discriminate various pat...

Background and Aim: Dysplastic lesions are characterized by replacement of parts or all of the epithelium thickness with cells with variable degrees of atypia and abnormal maturation. The aim of this study was to clinicopathologically evaluate oral dysplastic lesions recorded in the Oral Pathology Department of Isfahan Dental School during a 30-year period. Materials and Methods: This cross-se...

The electronystagmographical analysis of the eye movements is an important method in the evaluation and topical diagnostic procedure of several vestibular lesions. The aim of the study was to compare the electronystagmographical results of the optokinetic and the smooth pursuit eye-movement, and their sensitivity in several vestibular disorders. The patients were divided into five groups: right...

phaeohyphomycosis is an amalgam of clinical diseases caused by a wide variety of dematiaceous fungi. we are reporting on a 16 year-old patient from amol with subcutaneous cervical nodes and nasopharyngeal lesions of phaeohypho mycosis that were confirmed by pathological examination, direct smear, and culture. after treatment with an oral triazole (itraconazole) for 4 months, all nodes and lesio...