Ten to fifteen percent of patients with multiple sclerosis (MS) have a condition that is progressive from onset without a preceding relapsing-remitting phase: this is known as primary progressive multiple sclerosis (PPMS). Patients with PPMS tend to be older, often present with motor symptoms and, in contrast to relapsing MS, are as likely to be male as female. The conventional magnetic resonan...

background: magnetic resonance cholangiography (mrc) has gained popularity for diagnosing primary sclerosing cholangitis (psc). we determined the accuracy of mrc compared with endoscopic retrograde cholangiography (erc) for diagnosing psc. materials and methods: this retrospective case-control study was conducted on patients referred to an outpatient gastroenterology clinic from 2001 to 2013. p...

primary non-hodgkin’s lymphoma of the cranial vault is extremely rare. this case report presents a 42-year-old man with a painless subcutaneous scalp mass which extended intracranially associated with recent mild headache. initial computed tomography and magnetic resonance imaging revealed two lesions emanating from the skull. biopsy revealed a diagnosis of diffuse large b cell lymphoma (dlbcl)...