Endocrine Abstracts

Background: Paraganglioma is a rare neuroendocrine tumor from extra-adrenal chromaffin cells of the sympathetic paravertebral ganglia of thorax, abdomen, and pelvis. About 15–20% of chromaffin-cell tumors are paragangliomas. In most cases paragangliomas produce catecholamines in large concentrations and the lack of treatment can lead to cardiovascular and cerebral catastrophes. That is why early diagnosis of this tumor is so important and, consequently, knowledge of its d...