Endocrine Abstracts

FAP is a dominant autosomic syndrome, due to mutation of the APC oncosuppressor gene, characterised by adenomatous polyps at the colon–rectal level, that progres to malignant degeneration. FAP extraintestinal manifestations include, although rare, the thyroid nodules and tumours. Neck ultrasound (US) is routinely useful to identify thyroid nodules, but the characterisation of their nature requires the cytology by a FNAb. The exact incidence of the thyroid tumours on FAP s...