Hot nodule in a liver scan is due to
Hepatic adenoma
Focal nodular hyperplasia
Metastasis
HCC
50% of the focal nodular hyperplasia shows the presence of Kupfer cells (phagocytes). So uptake of sulfur colloid is noted in these lesions. No uptake is seen in HCC, hepatic adenoma, and metastases.
GIT and hepatobiliary system