This bone scan of a patient with metastatic disease demonstrates the “superscan” phenomenon. Tracer uptake is so avid in bone that there is almost no renal excretion – the kidneys are barely visualised. Submitted by Dr Rishu Sangal, Consultant Radiologist.
- Causes of superscan are as follows: renal osteodystrophy; osteomalacia; hyperparathyroidism; hyperthyroidism; diffuse skeletal metastases; myelofibrosis; haematological malignancy; extensive Paget’s disease.
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