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AIMS/BACKGROUND There are increasing number of evidences indicating the contribution of endogenous opioids in the pathophysiology of cholestatic liver disease. The aim of the present study was to determine the role of the endogenous-opioid system in the modulation of hepatocytes apoptosis and liver oxidant/anti-oxidant balance during chronic cholestasis in(More)
AIM The purpose of this study is to evaluate the association of the pre-internship Objective Structured Clinical Examination (OSCE) in final year medical students with comprehensive written examinations. SUBJECTS AND MATERIAL: All medical students of October 2004 admission who took part in the October 2010 National Comprehensive Pre-internship Examination(More)
PURPOSE To evaluate the effects of photorefractive keratectomy (PRK) on the stereopsis of myopic and hyperopic patients. SETTING Farabi Eye Hospital, Tehran, Iran. DESIGN Prospective case series. METHODS This study included patients having PRK to achieve emmetropia. The patients were divided into the following 3 groups: low myopia (<-6.0 diopters(More)
The absence of a shock-absorbing mechanism in commercial dental implants is a likely factor in the resulting bone loss and possible implant failure. The aim of the current study is to generate a shock-absorbing dental implant that resembles the periodontal ligament, which naturally absorbs occlusal overloading forces. To achieve this, a(More)
BACKGROUND Despite several studies on implementation, reliability and validity of the Objective Structured Clinical Examination (OSCE), the perceptions of examinees toward this evaluation tool remain unclear. The aim of the current study was to assess students' perceptions of the OSCE. METHODS All students in their final year of studies, who participated(More)
PURPOSE We describe a case of transient visual loss following cataract surgery with unpreserved intracameral lidocaine. METHOD A 50-year-old man with posterior polar cataract underwent phacoemulsification. Following capsulorhexis and hydrodelineation with 0.5 cc of unpreserved lidocaine 1%, a portion of fluid reached behind the crystalline lens and caused(More)
AIMS To investigate retinal nerve fibre layer (RNFL) thickness in people with metabolic syndrome (MetS) and healthy controls. METHODS A cross-sectional study was performed from March 2014 to January 2016. All participants underwent anthropometric and serological biochemical measurements, ophthalmological examination, and spectral-domain optical coherence(More)
PURPOSE To determine whether early amniotic membrane transplantation improves the outcomes among patients with bacterial keratitis. PATIENTS AND METHODS In this prospective randomized clinical trial 49 eyes from 49 patients with bacterial keratitis received routine antibiotic therapy followed by double-layer amniotic membrane transplantation during 2-5(More)
Alveolar rhabdomyosarcoma (RMS) is a primitive, malignant, round cell neoplasm derived from mesenchymal tissue that exhibits partial skeletal muscle differentiation. We describe a rare case of alveolar RMS of ethmoid sinus, recurring as an orbital mass. A 23-year-old man with the chief complaint of anosmia and mild proptosis was diagnosed with RMS of the(More)
PURPOSE To describe a case of trichoblsatoma on the eyelid. CASE REPORT A 45-year-old woman presented with a recurring mass on her upper right eyelid. Histopathological examination revealed well-circumscribed tissue composed of an aggregation of basaloid cells. Immunohistochemistry showed positive staining for CD34 and CD10. The patient underwent total(More)