Fifty Cases of Primary Hyperaldosteronism in Hong Kong Chinese with a High Frequency of Periodic Paralysis. Evaluation of Techniques for Tumour Localisation

Fifty consecutive Chinese patients with primary hyperaldosteronism were studied. All were considered to have an adrenal cortical adenoma, this being proven by surgery in 46 cases. In contrast to other reports, periodic paralysis was a presenting feature in 42 per cent of patients. Other notable symptoms were palpitations (30 per cent) and syncope (12 per cent). Vascular complications were present in 20 per cent of cases. Mean serum potassium...