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Renal ultrasound (US) is a common examination, which has been performed for decades. Using B-mode imaging, assessment of renal anatomy is easily performed, and US is often used as image guidance for renal interventions. Furthermore, novel applications in renal US have been introduced with contrast-enhanced ultrasound (CEUS), elastography and ...
These new treatments are based on the fact that renal cell carcinomas are very vascular tumours – they contain a large number of blood vessels. The drugs aim to inhibit the growth of new blood vessels in the tumours, hence slowing growth and in some cases, reducing the size of the tumours. [106]
The renal corpuscle consists of the glomerulus, and the glomerular capsule or Bowman's capsule. [4]: 1027 The renal corpuscle has two poles: a vascular pole and a tubular pole. [5]: 397 The arterioles from the renal circulation enter and leave the glomerulus at the vascular pole. The glomerular filtrate leaves the Bowman's capsule at the renal ...
There are two poles in the renal corpuscle, a vascular pole and a tubular pole. [4] The vascular pole is a location of the glomerulus. At the vascular pole, the afferent arterioles and efferent arterioles enter and leave the glomerulus in the Bowman's capsule. The tubular pole is at the other end opposite to the vascular pole.
The juxtaglomerular cell is a cell that is located near the glomerulus, hence its name. Similar to cardiac tissue, juxtaglomerular cells harbor β1 adrenergic receptors. When stimulated by epinephrine or norepinephrine, these receptors induce the secretion of renin. These cells also respond directly to a decrease in systemic blood pressure ...
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]
They resemble smooth muscle cells and play a role in renal autoregulation of blood flow to the kidney and regulation of systemic blood pressure through the renin–angiotensin system. Extraglomerular mesangial cells are part of the juxtaglomerular apparatus , along with the macula densa cells of the distal convoluted tubule and the ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 February 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 ...