Bone turnover and hormonal perturbations in patients with fibromyalgia.

Objective: Studies of bone turnover in fibromyalgia (FM) have, to date, shown conflicting results. Although most patients with FM are women, only a few investigations have paid attention to the changes of sex hormones in FM. Moreover, FM is often viewed as a stress related disorder, and abnormalities of the hypothalamic-pituitary-adrenal (HPA) axis have been found in FM.

Monitoring of dual-energy X-ray absorptiometry measurement in clinical practice.

Bone densitometry has become the "gold standard" in osteoporosis diagnosis and treatment evaluation. It has also become more and more common to perform a second dual-energy X-ray absorptiometry (DXA) measurement to monitor bone mineral density (BMD) status or the effect of therapeutic intervention. When a second measurement is performed on a patient, the clinician needs to distinguish between a true change in BMD and a random fluctuation related to variability in the measurement procedure.

Dramatical improvement of chemoresistant bone lymphoma with rituximab.

Non-Hodgkin's lymphoma of the bone is a very rare disease that accounts for approximately 5% of all extranodal non-Hodgkin's lymphomas and for 7-10% of primary bone tumours. We report the case of a 28-year-old man who, in June 2001, presented with a right humerus showing painful destructive lesions with pathological fractures. Biopsy revealed diffuse, large B-cell non-Hodgkin's lymphoma expressing CD20.

Reproducibility of bone mineral density measurements using dual X-ray absorptiometry in daily clinical practice.

Bone mineral density (BMD) measurements are frequently performed repeatedly for each patient. Subsequent BMD measurements allow reproducibility to be assessed. Previous studies have suggested that reproducibility may be influenced by age and clinical status.

Bone metabolism in male patients with type 2 diabetes.

Few reports are available on bone turnover in type 2 diabetes. Impaired bone turnover in type 2 diabetes appears to result from decreased bone formation. Studies also suggest that poor glycaemic control in type 2 diabetes may contribute to osteopaenia.

Bone turnover markers, anterior pituitary and gonadal hormones, and bone mass evaluation using quantitative computed tomography in ankylosing spondylitis.

The objective of this study was to determine bone mineral density (BMD) distribution in ankylosing spondylitis (AS) using quantitative computed tomography (QCT), to study bone turnover and anterior pituitary and gonadal hormonal axis in AS, and to look for correlations between BMD, bone remodeling markers and gonadal and anterior pituitary hormones. Forty-three male consecutive patients with AS were enrolled prospectively [mean (SD) age of 36.4 (11.