Prognostic Factors of the Primary Central Nervous System Lymphoma: Clinical Experience from a Tertiary Care Center in the Middle East.

 Primary central nervous system lymphoma (PCNSL) is a rare extra nodal non-Hodgkin's lymphoma. The optimal treatment for PCNSL is still unclear. In this study, we present our experience with management of PCNSL in a tertiary care center in Iran.

Meningioma as the host for metastatic breast cancer: A rare occurrence with important therapeutic impact.

Background: Tumor-to-tumor metastasis is a rare condition. There are few reports of metastatic tumors within intracranial tumors, including meningiomas. Since some metastatic tumors have osteoblastic imaging pattern, it is not always easy to differentiate them from meningioma on preoperative studies.

Association between Serum Levels of Interleukin-6 on Pain and Disability in Lumbar Disc Herniation Surgery.

Context: Many inflammatory cytokines are also elevated in degenerated or herniated intervertebral discs. Among biomarkers, interleukin-6 (IL-6) plays an essential role in the inflammatory process of disc herniation. Some studies have suggested that an increase in serum IL-6 levels occurs in sustained radicular pain.