CT scans, or CAT scans, are widely used to get internal images of the body and diagnose dangerous medical conditions, but they could pose a hidden risk. Doctors discuss.

Scintigraphy (MIBG scan): Most of the time a pheochromocytoma can be located with CT or MRI. If a tumor is not seen but strongly suspected, this nuclear imaging study may be done. In this type of scan ...

Figure 1: Computed tomography scan with contrast of the abdomen of a 66-year-old woman with a possible adrenal mass in the left upper quadrant, concerning for pheochromocytoma (blue arrow). Five hours ...

Graphical AbstractAccording to the phenotype, 153 patients had noradrenergic pheochromocytoma and paraganglioma and 188 had adrenergic pheochromocytoma and paraganglioma. In the whole sample, the ...

The results were significant for high norepinephrine levels. Further imaging to characterise the adrenal lesion included CT adrenals, magnetic resonance (MR) adrenals, I¹³¹metaiodobenzylguanidine ...

The MIBG scan has a high specificity and positive predictive value (100%). It confirms the presence of pheochromocytoma in 21 cases (42%), even if the metanephrine is normal in a patient with a ...

The role of MIBG scan in the diagnosis of pheochromocytoma. This is an ASCO Meeting Abstract from the 2023 ASCO Annual Meeting I. This abstract does not include a full text component ...

History & Epidemiology of Pheochromocytoma Pheochromocytoma is a rare neuroendocrine disorder in which a tumor grows from chromaffin cells within the adrenal medulla of the adrenal glands. 1 This ...

Diagnosing phaeochromocytomas There are different tests to diagnose phaeochromocytomas. These include blood and urine tests, CT, MRI and PET scans, and a type of scan called an MIBG scan. Diagnosing ...

MIBG therapy is not approved by the Food and Drug Administration and is being studied in multiple clinical trials at Children’s Hospital Los Angeles and select sites around the country.