You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which one of the following imaging modalities is most sensitive for evaluation of extra- adrenal phaeochromocytoma. and explain in detail?
D i.e. MIBI Scan Pheochromocytoma arises from paraganglion cellsQ (autonomic nervous system). M. C. site of origin is adrenal medullaQ M. C. extra-adrenal site is paraveebral sympathetic ganglion in organ of zuckerkandlQ (near aoic bifurcation) Investigation of choice for adrenal pheochromocytoma is CT ScanQ followed by MRI (d/t low cost) Investigation of choice for locally recurrent, metastatic, Ectopic & Extra - adrenal pheochromocytoma is metaiodobenzylaguanidine (MIBG) ScanQ (using P23 or 1131). Sensitivity of imaging modalities