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Adrenal Lymphoma

KEY FACTS Imaging CT: Mild enhancement of bilateral adrenal masses MR: T2-intense, T1-isointense (to muscle), bulky adrenal masses Ultrasound: Hypoechoic suprarenal lesions PET/CT: Hypermetabolic adrenal tumor 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

Neuroblastoma, Adrenal/Retroperitoneal

KEY FACTS Terminology Malignant tumor of sympathetic chain primitive neural crest cells Increasing degrees of cellular differentiation/benignity along spectrum: Neuroblastoma (malignant) → ganglioneuroblastoma → ganglioneuroma (benign) Imaging Location Adrenal (35-48%) Extraadrenal retroperitoneum (25-35%) Posterior mediastinum (16-20%) Small round solitary mass vs. large multilobulated lesion Aggressive tumor with tendency to invade adjacent tissues Frequently engulfs & displaces adjacent vascular structures (rather than just displacing) Ca²⁺ in up…

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