Ibtissem Lahmar

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BACKGROUND Uveitis is a major cause of visual impairment throughout the world. Analysis of cytokine profiles in aqueous humor specimens may provide insight into the physiopathological processes that underly retinal damage in this context. METHODS Using a multiplex assay, we determined the concentrations of 17 cytokines and chemokines in aqueous humor(More)
Ocular toxoplasmosis is a major cause of blindness world-wide. Ocular involvement is frequently seen following congenital infection. Many of these infections are quiescent but pose a life-time risk of reactivation. However, the physiopathology of ocular toxoplasmosis reactivation is largely unexplored. We previously developed a Swiss-Webster outbred mouse(More)
Congenital infection is one of the most serious settings of infection with the apicomplexan parasite Toxoplasma gondii. Ocular diseases, such as retinochoroiditis, are the most common sequels of such infection in utero. However, while numerous studies have investigated the physiopathology of acquired toxoplasmosis, congenital infection has been largely(More)
In order to establish seawater contamination by emerging protozoan parasites, we used qPCR to molecularly characterize and evaluate the parasitic burden of Giardia duodenalis, Cryptosporidium spp., Toxoplasma gondii, and Cyclospora cayetanensis in 1255 wild bivalve mollusks collected along the Tunisian coasts. T. gondii, G. duodenalis and C. cayetanensis(More)
OBJECTIVES To identify the clinical and paraclinical factors of thyroid nodule malignancy (in absence of ultrasound-guided fine needle aspiration biopsy data). PATIENTS AND METHODS This retrospective study was conducted on a cohort of 282 patients admitted for management of a thyroid nodule disease. All patients had undergone surgery and the specimen had(More)
BACKGROUND The prevalence related to alcohol use disorders in adults is 1.7%. It varies around the world. In Tunisia, as in most Arab and Muslim countries, alcohol consumption is still a taboo and little studied. AIMS To estimate the prevalence of alcohol abuse and dependence Band to assess associated socio-demographic factors in primary care patients in(More)
Müller glial cells are critically involved in retinal inflammatory processes. Here, we investigate the activation of Müller cells in a model of congenital ocular toxoplasmosis (OT). Four weeks after infection, retinal sections were studied immunohistochemically using the markers glial fibrillary acidic protein (GFAP) and vimentin. Müller cells showed strong(More)
OBJECTIVES To report on two cases of congenital cholesteatoma in patients aged 1 month. To review the clinical and radiological features of congenital cholesteatoma and to clarify the contribution of the CT scan in the diagnosis and the preoperative workup. PATIENTS AND METHODS The authors report two observations of congenital cholesteatoma. These(More)