2013
DOI: 10.2214/ajr.12.9753
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MDCT of Adrenal Masses: Can Dual-Phase Enhancement Patterns Be Used to Differentiate Adenoma and Pheochromocytoma?

Abstract: For indeterminate adrenal masses identified at dual-phase IV contrast-enhanced CT, higher enhancement during the arterial phase, arterial phase enhancement levels greater than 110 HU, and lesion heterogeneity should prompt consideration of pheochromocytoma.

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Cited by 63 publications
(40 citation statements)
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“…5 On CT, PHEO/PGL typically have a heterogeneous appearance, often with some cystic areas. 115118 They typically have attenuation values greater than 10 Hounsfield units, though some PHEOs with fatty components may have appearances more consistent with adenomas. 117 Calcifications or hemorrhage may also be present.…”
Section: Diagnosis Of Pheo/pglmentioning
confidence: 99%
See 1 more Smart Citation
“…5 On CT, PHEO/PGL typically have a heterogeneous appearance, often with some cystic areas. 115118 They typically have attenuation values greater than 10 Hounsfield units, though some PHEOs with fatty components may have appearances more consistent with adenomas. 117 Calcifications or hemorrhage may also be present.…”
Section: Diagnosis Of Pheo/pglmentioning
confidence: 99%
“…117 On dual-phase contrast-enhanced CT, PHEOs can also be distinguished from other adrenal masses due to higher intensity during the arterial phase, with enhancement levels greater than 110 Hounsfield units. 118 On MRI, PHEO/PGL typically appear as T2-bright lesions, although cystic or necrotic components may affect this classic appearance. 115117 On T1 imaging, PHEO/PGL enhance about equally to muscle and are less intense than the liver.…”
Section: Diagnosis Of Pheo/pglmentioning
confidence: 99%
“…Adrenal and nephrogenic hypertension is related to the intrarenal renin‐angiotens in system (RAS) and is one of the common causes of secondary hypertension . Enhanced MDCT is an important method to diagnose hypertension caused by renal artery stenosis or adrenal lesions …”
Section: Introductionmentioning
confidence: 99%
“…Присутствие некротических тканей в опухоли, наоборот, понижает рентгенокон-трастную плотность. При КТ с контрастиро-ванием в неконтрастную фазу для ФХ/ПГ харак терна плотность более 20 HU и через 10 мин после введения контраста уменьша-ется менее чем на 50% [63].…”
Section: компьютерная томографияunclassified