Medullary carcinoma of the thyroid is unique in that it can often be diagnosed solely on the basis of abnormally high basal serum thyrocalcitonin levels. Two brothers described in this report were found to have normal basal serum thyrocalcitonin levels when examined after another family member died from metastatic medullary carcinoma of the thyroid. Pentagastrin, a synthetic analog of gastrin, ...

Medullary carcinoma is a rare breast carcinoma with a syncytial growth pattern and high-grade cytology. It can be difficult to diagnose and may be missed on conventional imaging as the findings may overlap with benign lesions i.e. fibroadenomas. The authors report a case of a 25-year-old female who presented with multifocal breast lumps diagnosed with medullary carcinoma and fibroadenomas. Imag...