Deep Vein Thrombosis
KEY FACTS Terminology • Deep vein thrombosis (DVT), pulmonary embolism (PE), venous thromboembolism (VTE) • Deep vein thrombosis (DVT): Thrombus forms within deep venous system, typically in lower limbs Imaging…
Cholelithiasis
KEY FACTS Imaging • Highly reflective, mobile and gravity-dependent intraluminal structures with posterior clean shadowing • Variable size; stones < 5 mm may not shadow • Contracted gallbladder (GB) full…
Hematoma/Seroma
KEY FACTS Terminology • Hematoma: Localized collection of blood outside of blood vessel • Seroma: Serous fluid collection within soft tissues (plasma exudate from small blood vessels) • Lymphocele: Collection…
Chronic Pancreatitis
KEY FACTS Terminology • Progressive, irreversible inflammatory and fibrosing disease Imaging • Dilated main pancreatic duct (MPD) with intraductal calculi is highly specific for chronic pancreatitis • Gland may be…
Tubular Ectasia of Rete Testis
KEY FACTS Terminology • Dilated rete testis • Cystic transformation of rete testis Imaging • Frequently bilateral ○ Usually asymmetric involvement • Branching tubules converging at mediastinum testis ○ Dilated…
Simple Renal Cyst
KEY FACTS Terminology • Benign, fluid-filled, nonneoplastic renal lesion Imaging • Ultrasound is ideal for characterizing simple or complex renal cysts in nonobese patients • Unilocular, thin-walled, round/oval renal lesion…
Testicular Germ Cell Tumors
KEY FACTS Imaging • Discrete, solid, intratesticular mass on grayscale ultrasound with abnormal intrinsic vessels on color Doppler • Most common neoplasm in males aged 15-34 • Mostly unilateral; contralateral…
Pancreatic Neuroendocrine Tumor
KEY FACTS Terminology • Historically known as islet cell or carcinoid tumors Imaging • Variable: Range from < 1 cm to > 20 cm; typically 1-5 cm • Small tumors:…
Testes and Scrotum
GROSS ANATOMY Testes • Densely packed seminiferous tubules separated by thin, fibrous septa • Seminiferous tubules join to form rete testis , which converge posteriorly into efferent ductules ○ Penetrate…
Acute Pancreatitis
KEY FACTS Terminology • Acute inflammatory process of pancreas with variable involvement of other local tissues and remote organs ○ Interstitial edematous pancreatitis, necrotizing pancreatitis ○ Acute pancreatic fluid collection…
