KEY FACTS Terminology • Hemorrhage into functional cyst in ovarian parenchyma Imaging • Avascular hypoechoic ovarian “mass” with fine, lacy interstices due to fibrin strands • Majority resorb quickly and…

KEY FACTS Terminology • Ectopic endometrial tissue within myometrium with adjacent smooth muscle hyperplasia Imaging • Globular uterine enlargement, asymmetric myometrial thickening • Poor definition of endometrial-myometrial interface/thickening of junctional…

KEY FACTS Terminology • Apical displacement of septal and posterior tricuspid valve leaflets • Coaptation point of tricuspid valve (i.e., where valve leaflets fit together) is lowered into right ventricle…

KEY FACTS Terminology • Chronic, relapsing granulomatous inflammatory disease with predominant involvement of gastrointestinal tract Imaging • Bowel wall thickening ○ Adults: > 3 mm ○ Children: Small bowel thickness…

KEY FACTS Terminology • Malignant tumor of transitional epithelium extending from calyces to ureteral orifices • a.k.a. transitional cell carcinoma Imaging • Hypoechoic infiltrative tumor in renal pelvis or ureter…

KEY FACTS Terminology • Malformation complex characterized by varying degrees of developmental failure involving sacral and lumbar vertebrae and corresponding segments of spinal cord ○ Abnormal innervation affects lower extremity…

KEY FACTS Imaging • Variable appearance: Solid, cystic, or complex • Solid: Homogeneous or heterogeneous, hypervascular soft tissue components and areas of necrosis, calcifications • Cystic variant: Unilocular or multilocular,…

KEY FACTS Terminology • Ventricular septal defects (VSD) classified according to location ○ Membranous: Defect in outflow tract of left ventricle, immediately below aortic valve ○ Muscular: Defect in muscular…

GROSS ANATOMY Overview • Ovaries located in true pelvis, although exact position variable ○ Only pelvic organ entirely inside peritoneal sac ○ Laxity in ligaments allows some mobility ○ Location…

KEY FACTS Imaging • Cisterna magna (CM) measures > 10 mm on routine posterior fossa view • Cerebellar hemispheres and vermis otherwise normal • Most often normal variant : <…