Diagnosis of hepatocellular adenoma in men before onset of diabetes in HNF1A‐MODY: Watch out for winkers

Hepatocyte nuclear factor 1A ( HNF1A ) maturity‐onset diabetes of the young (MODY) is a monogenetic, autosomal dominantly inherited form of diabetes. HNF1A‐MODY is associated with HNF1A ‐inactivated hepatocellular adenoma (H‐HCA) formation. Hepatocellular adenoma (HCA) are benign liver tumours and related complications are rare but serious: hepatic haemorrhage and malignant transformation. Guidelines recommend resection of all HCA in men and do...