Optic Perineuritis Presenting as the Initial Manifestation of Central Nervous System Involvement in Rai Stage 0 Chronic Lymphocytic Leukemia.

Background: To describe the first case of optic perineuritis because of meningeal involvement of early stage chronic lymphocytic leukemia (CLL).

Methods: A case report and review of the literature.

Results: A case of unilateral optic neuropathy associated with enhancement of the optic nerve sheath is described in a patient with a prior 2-year history of Rai Stage 0 CLL.

Status of bariatric surgery in Germany--results of the nationwide survey on bariatric surgery 2005-2007.

Background: Most studies on bariatric surgery outcomes are performed as clinical trials or reflect the clinical experience in single centers. The status of bariatric surgery in Germany has been examined with the cooperation of clinics and hospitals at the Institute of Quality Assurance in Surgery at the Ottovon-Guericke University of Magdeburg (Germany) since January 1, 2005.

Methods: In this prospective multicenter observational study, the data obtained for all primary bariatric procedures, including all repeated operations, performed on consecutive patients with morbid obesity at participating hospitals from 2005 to 2007 were prospectively collected using an internet online data registry.