Solid renal lesions

Jun 13, 2021 by in GASTROINTESTINAL IMAGING Comments Off on Solid renal lesions

Anatomy, embryology, pathophysiology Please see Chapter 23 for discussion. Techniques and protocols Please see Chapter 23 for discussion. Specific disease processes Benign solid lesions Oncocytoma ◼ An oncocyte is a…

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Urothelial lesions

Jun 13, 2021 by in GASTROINTESTINAL IMAGING Comments Off on Urothelial lesions

Anatomy, embryology, pathophysiology ◼ The urothelium is the mucosa composed of transitional epithelium that lines the renal calyces and pelvis, ureters, bladder, and much of the urethra. Further anatomic and…

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Urinary tract obstruction

Jun 13, 2021 by in GASTROINTESTINAL IMAGING Comments Off on Urinary tract obstruction

Anatomy, embryology, pathophysiology ◼ Urinary tract obstruction (UTO) is a commonly encountered clinical scenario that can affect all age groups. In the pediatric population, the underlying pathology is often congenital…

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Lymphadenopathy

Jun 13, 2021 by in GASTROINTESTINAL IMAGING Comments Off on Lymphadenopathy

Anatomy, embryology, pathophysiology ◼ Complex drainage system of lymphatic capillaries connected by ducts connected to central lymph node ‘stations’ following a similar course to the arterial system ( Figs. 21.1…

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Splenomegaly/splenic lesions

Jun 13, 2021 by in GASTROINTESTINAL IMAGING Comments Off on Splenomegaly/splenic lesions

Anatomy, embryology, pathophysiology Embryology Splenogenesis initiates in the fifth week of embryological life. The dorsal mesogastrium anchors the stomach posteriorly; it is within the two leaves of this mesogastrium that…

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Cystic renal masses

Jun 13, 2021 by in GASTROINTESTINAL IMAGING Comments Off on Cystic renal masses

Anatomy, embryology, and pathophysiology Anatomy ◼ The kidneys are paired, bean-shaped, retroperitoneal organs that primarily function in the excretion of metabolic waste. ◼ The concave medial surface is known as…

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Urolithiasis

Jun 13, 2021 by in GASTROINTESTINAL IMAGING Comments Off on Urolithiasis

Anatomy, embryology, pathophysiology ◼ Renal calculi result from crystallization of supersaturated inorganic and organic compounds and proteins within renal tubular fluid, renal interstitial fluid, or in the urinary collecting system…

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