Intraductal Papillary Mucinous Neoplasm (IPMN)

Nov 10, 2024 by in ULTRASONOGRAPHY Comments Off on Intraductal Papillary Mucinous Neoplasm (IPMN)

KEY FACTS Terminology • Intraductal papillary mucinous neoplasm: Mucin-producing cystic tumor arising from main &/or branch pancreatic ducts with low malignant potential • Previously called: Intraductal papillary mucinous tumor, duct…

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Bladder Calculi

Nov 10, 2024 by in ULTRASONOGRAPHY Comments Off on Bladder Calculi

KEY FACTS Terminology • Concretions of mineral salts/crystal within bladder lumen Imaging • Mobile avascular echogenic focus/foci in bladder with posterior acoustic shadowing on US • May see associated twinkling…

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Scrotal Trauma

Nov 10, 2024 by in ULTRASONOGRAPHY Comments Off on Scrotal Trauma

KEY FACTS Imaging • Heterogeneous testicular parenchyma or contour abnormality of testis in setting of scrotal trauma ○ Disruption of tunica albuginea very specific for testicular rupture • Extratesticular hematocele:…

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Cystic Disease of Dialysis

Nov 10, 2024 by in ULTRASONOGRAPHY Comments Off on Cystic Disease of Dialysis

KEY FACTS Terminology • Presence of 3 or more renal cysts per kidney in patients with chronic kidney disease (CKD) who do not have hereditary cystic disease • Occurs predominantly…

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Renal Transplant Rejection

Nov 10, 2024 by in ULTRASONOGRAPHY Comments Off on Renal Transplant Rejection

KEY FACTS Imaging • No specific imaging characteristics • Ultrasound-guided renal biopsy is gold standard • Acute rejection (AR): Nonspecific allograft edema, urothelial thickening • Resistive index (RI) may be…

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Ureteral Duplication

Nov 10, 2024 by in ULTRASONOGRAPHY Comments Off on Ureteral Duplication

KEY FACTS Terminology • Presence of 2 separate pelvicalyceal collecting systems draining 1 kidney, which may join above bladder (partial), drain into bladder separately (complete), or beyond bladder Imaging •…

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Solid Pseudopapillary Neoplasm

Nov 10, 2024 by in ULTRASONOGRAPHY Comments Off on Solid Pseudopapillary Neoplasm

KEY FACTS Terminology • Epithelial tumor of exocrine pancreas with low-grade malignant potential and solid and cystic features Imaging • Usually large (average: 10 cm; range: 2.5-20.0 cm) • Commonly…

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Kidneys

Nov 10, 2024 by in ULTRASONOGRAPHY Comments Off on Kidneys

GROSS ANATOMY Overview • Kidneys are paired, bean-shaped, retroperitoneal organs ○ Function – Removal of excess water, salts, and wastes of protein metabolism from blood – Regulation of water and…

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Vagina

Nov 10, 2024 by in ULTRASONOGRAPHY Comments Off on Vagina

TERMINOLOGY Abbreviations • Vaginal artery (VA), uterine artery (UA) GROSS ANATOMY Overview • Muscular tube formed by smooth muscle and elastic connective fibers • Serves as excretory duct for uterus,…

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Cervix

Nov 10, 2024 by in ULTRASONOGRAPHY Comments Off on Cervix

GROSS ANATOMY Overview • Begins at inferior narrowing of uterus (isthmus) ○ Supravaginal portion: Endocervix ○ Vaginal portion: Ectocervix • Endocervical canal: Spindle-shaped cavity communicates with uterine body and vagina…

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