[Myalgia and proximal muscle weakness in a young patient].

We report a case of severe vitamin D-deficiency in a 32 year old black woman living in middle Europe since 9 years suffering from chronic pain of the lower back, the neck and the proximal right thigh, as well as weakness mainly in the pelvic girdle. Vitamin D plays an important role in calcium homeostasis and muscle strength. This case demonstrates that severe vitamin D-deficiency may be associated with musculoskeletal pain and weakness.