Massive symmetrical calcification of the basal ganglia and dentate nuclei is now a well recognized radiological finding and great emphasis has been laid on its association with hypoparathyroidism (Lowenthal, 1948). While such an association is undeniable the connexion between the two phenomena is ill understood and cannot at present be accepted as invariable. It is the purpose of this paper to ...

The case of an elderly woman is reported in whom alendronate, given for osteoporosis, led to severe hypocalcaemia a few days after starting the drug treatment. This was caused by the unmasking of previously unrecognised hypoparathyroidism.

BACKGROUND The microdeletion of chromosome 22q11.2 is the most common human deletion syndrome. It typically presents early in life and is rarely considered in adult patients. As part of the manifestations of this condition, patients can have parathyroid glandular involvement ranging from hypocalcemic hypoparathyroidism to normocalcemia with normal parathryroid hormone levels. The first manifest...