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Multiple sclerosis (MS) is an autoimmune disease that attacks the central nervous system, causing the appearance of focal areas of inflammation and demyelination. A detailed study of MS would offer a better understanding of the causes of increased number of MS cases in the Arab Gulf countries.A comprehensive literature search was performed to extract data regarding MS in general and MS in Arabian...
Peripheral T-cell lymphomas represent a rare, heterogeneous group of nodal and extra-nodal mature T-cell lymphomas. Among those, the subtype of PTCL not otherwise specified (PTCL-NOS) account for about 25% of all PTCL. While other PTCL subtypes are increasingly recognized as discrete entities based on specific genotypic and phenotypic alterations, the diagnosis of PTCL-NOS is currently performed on...