Abstract
A 67-year old woman had noticed increasing growth of hair on the face and extremities for eight months. The testosterone level was raised at 2.6 micrograms/l and 24-hour urinary cortisol excretion was 160 micrograms. Ultrasound scanning showed a tumour measuring 14 x 10 x 10 cm in the left suprarenal, as well as several irregular space-occupying lesions in the liver, some of which were echo-rich. By computed tomography these structures were hypodense and did not concentrate any contrast medium. A provisional diagnosis of suprarenal carcinoma with hepatic metastases was accordingly made. After surgical removal of the suprarenal carcinoma the hormonal parameters unexpectedly returned to normal. Repetition of the computed tomography failed to elucidate the nature of the liver lesions. However, superselective hepatic angiography revealed the typical picture of haemangiomas of the liver. The existing computed tomograms were therefore reviewed. The diagnostic error was found to be due to incorrect timing of the interval between injection of contrast medium and performance of computed tomography.
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