Erdheim-Chester disease: misdiagnosed as multiple sclerosis.

Erdheim-Chester disease is a rare histiocytic neoplasm with a wide range of clinical manifestations. Due to its rarity and protean characteristics, this condition often presents a diagnostic challenge. A Caucasian woman in her late 60s presented with unsteadiness, dysphagia and dysarthria.

Increasing days at work using function-centered rehabilitation in nonacute nonspecific low back pain: a randomized controlled trial.

Objective: To evaluate the effect of function-centered compared with pain-centered inpatient rehabilitation in patients whose absence from work is due to chronic nonspecific low back pain (LBP).

Design: Single-blinded randomized controlled trial with follow-up assessments immediately after treatment and at 3 months.

Setting: Center for work rehabilitation in Switzerland.