A case of total, dense dural calcification in an adult female patient with secondary hyperparathroidism is presented. The often reported feature in the skull is that of a combination of osteopenia and osteosclerosis giving a granular bone texture described sometimes as "grains of sand" or "salt and pepper" appearance [6]. Extensive dural calcification with this condition has very rarely been reported [2, 3]. The purpose of this paper is to document the existence of the latter in a patient followed up for 19 years.
A seven-year-old boy had cardiac symptoms for five months before the diagnosis of Wilms tumor was made. The tumor extended into the inferior vena cava through the renal vein and protruded into the right atrium. All demonstrable tumor masses could be removed at a one-step surgical procedure without using cardiopulmonary bypass. Intensive postoperative chemotherapy has been given, and 15 months after surgery he was without signs of relapse.
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