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The kidney is surrounded by a capsule separating the kidney from the echogenic perirenal fat, which is seen as a thin linear structure. [1] The kidney is divided into parenchyma and renal sinus. The renal sinus is hyperechoic and is composed of calyces, the renal pelvis, fat and the major intrarenal vessels.
Lesion Characterization: contrast-enhanced ultrasound plays a role in the differentiation between benign and malignant focal liver lesions. This differentiation relies on the observation [ 15 ] or processing [ 16 ] [ 17 ] of the dynamic vascular pattern in a lesion with respect to its surrounding tissue parenchyma .
Papillary renal cell carcinoma (PRCC) is a malignant, heterogeneous tumor originating from renal tubular epithelial cells of the kidney, which comprises approximately 10-15% of all kidney neoplasms. [1] Based on its morphological features, PRCC can be classified into two main subtypes, which are type 1 and type 2 (eosinophilic). [2]
Medical ultrasound includes diagnostic techniques (mainly imaging techniques) using ultrasound, as well as therapeutic applications of ultrasound. In diagnosis, it is used to create an image of internal body structures such as tendons, muscles, joints, blood vessels, and internal organs, to measure some characteristics (e.g., distances and velocities) or to generate an informative audible sound.
Essentially, ultrasound tests can determine whether the composition of the kidney mass is mainly solid or filled with fluid. [49] A percutaneous biopsy can be performed by a radiologist using ultrasound or computed tomography to guide sampling of the tumour for the purpose of diagnosis by pathology.
Wilms' tumor or Wilms tumor, [3] also known as nephroblastoma, is a cancer of the kidneys that typically occurs in children (rarely in adults), [4] and occurs most commonly as a renal tumor in child patients.
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 January 2025. Medical condition Kidney cancer Other names Renal cancer Micrograph showing the most common type of kidney cancer (clear cell renal cell carcinoma). H&E stain. Specialty Oncology nephrology Urology Symptoms Blood in the urine, lump in the abdomen, back pain Usual onset After the age of ...
Ultrasound imaging is useful for detecting stones, for example kidney stones or gallstones, because they create a clearly visible ultrasound shadow behind the stone. [ citation needed ] Ultrasonography can be used to guide procedures such as treatment for kidney stones with extracorporeal shock wave lithotripsy , needle biopsies or paracentesis ...
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