Fig. 6From: Atypical ultrasound features of parathyroid tumours may bear a relationship to their clinical and biochemical presentationa Neck ultrasonography of a 60-year-old female patient with parathyroid adenoma showed a heterogeneous, well-defined left inferior parathyroid lesion with areas of cystic degeneration and a speck of calcification. b, c Low-power photomicrographs (×25 and ×100, H&E stain) showing adenoma with cystic and haemorrhagic degeneration (*)Back to article page