FNH in men – an important differential diagnoses in metastatic diseases

Purpose: Liver FNH (focal nodular hyperplasia) are much rarer in males than in females. In case of a malignant disease they can be misjudged as a liver metastasis, especially if not previously documented. Material and methods: During routine abdominal ultrasound we detected hypoechoic liver lesions of 14 – 18 mm in three men: one 47 year old with a large renal cell carcinoma, one 56 year old with a bronchial neoplasm and one 71 year old patient who was diagnosed with 4 malignant melanomas in the abdominal region one year later. Colour Doppler ultrasound, CEUS and abdominal MRI were performed in all three patient…