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Characteristics of Patients Who Underwent 124I-MIBG PET for Suspected Pheochromocytoma
| Characteristic | Data |
|---|---|
| Mean age (y) | 51.8 (range, 20–74) |
| Sex (n) | |
| Male | 18 (42%) |
| Female | 25 (58%) |
| Catecholamine metabolites (pg/mL) | |
| Normetanephrines (plasma) | 313.8 (28–2,358) |
| Metanephrines (plasma) | 180.8 (15–1,377) |
| Mean size of adrenal mass (mm) | 30 (range, 6–82) |
| Associated genetic syndrome (n) | |
| Multiple endocrine neoplasia IIA | 3 (7%) |
| Neurofibromatosis | 1 (2%) |
