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Giant Cavernoma
Joseph Junewick, MD FACR
over 11 years ago
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Adrenal Ischemia

Case Detail

Anatomy: Genitourinary
Joseph Junewick, MD FACR
Diagnostic Category: Vascular
Created: over 7 years ago
Updated: over 7 years ago
Tags: PEDS
Modality/Study Types: US
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Adrenal Ischemia


US – Enlarged anterior limb of the adrenal gland with loss of hyperechoic medullary stripe.


Adrenal injury can occur in perinatal asphyxia. The combination of endothelial damage from hypoxia and the unique blood supply of the adrenal gland likely contribute to the development of congestion and hemorrhage. The adrenal gland is supplied by 50 to 60 arterioles from the three main adrenal arteries, forming a subcapsular plexus extending to the medullary sinusoids. The gland is drained by relatively few venules. Adrenocorticotropic hormone released in response to stress increases perfusion to the adrenal gland and catecholamines from stress/hypotension/shock produce venocontriction; therefore increased vascular input and impaired venous drainage probably lead to intraglandular congestion and hemorrhage.


Kawashima A, Sandler CM, Ernst RD, et al. Imaging of Nontraumatic Hemorrhage of the Adrenal Gland. Radiographics (1999); 19:949-963

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