Orbital invasion of ameloblastoma: A systematic review apropos of a rare entity.

Purpose: Ameloblastoma is a non-encapsulated and slow-growing tumor with high recurrence rate. Orbital involvement by this neoplasm is an extremely rare entity. In this study, we present a systematic review on this situation along with clinical and paraclinical features of a case.

Cancer risk among patients with multiple sclerosis: A cohort study in Isfahan, Iran.

Background: Multiple sclerosis (MS), a central nervous system (CNS) autoimmune disorder, affects 2.3 million people around the world. Cancer kills around 7.

The effects of smoking on corneal endothelial cells: a cross-sectional study on a population from Isfahan, Iran.

Purpose: The aim of this study is to compare the effect of smoking in corneal endothelial cell number and morphology by specular microscopy on a non-smoker population.

Methods: Our cross-sectional study was performed on 150 participants from a non-smoker population. Non-contact specular microscopy (Tomey Corporation Inc.