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Neonatal Adrenal Hemorrhage

KEY FACTS Terminology Perinatal bleeding into normal adrenal gland Associated with many perinatal stressors: Asphyxia, sepsis, birth trauma, coagulopathies ↑ frequency in full-term & large infants You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Introduction to the Adrenals

Anatomy, Embryology , and Physiology The adrenal (suprarenal) glands lie in the perirenal space, usually cephalic to the kidneys. The right adrenal gland lies above the kidney, lateral to the crus of the diaphragm, medial to the liver, and touches the posterior aspect of the inferior vena cava. The left adrenal gland usually lies anterior to the upper pole of the left kidney, posterior to the…

Hemangiopericytoma

KEY FACTS Terminology Hemangiopericytomas are group of neoplasms that arise from pericytes in walls of capillaries and can occur in various tissues Rare, vascular neoplasms of variable clinical behavior You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Retroperitoneal Fibrosis

KEY FACTS Imaging Irregular, periaortic soft tissue mass extending from renal vessels to iliac bifurcation Aorta not typically displaced from spine in primary retroperitoneal fibrosis Soft tissue can surround inferior vena cava and medially displace ureters Soft tissue may extend to renal hila and into pelvis NECT: Isoattenuating to muscle CECT or MR: Enhancement varies with stage of disease Early/active disease: Avid enhancement Late/chronic disease: Minimal…