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Related Concept Videos

Factors Affecting Renal Clearance: Renal Impairment01:17

Factors Affecting Renal Clearance: Renal Impairment

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Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
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Renal Corpuscle01:20

Renal Corpuscle

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The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
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Renal Clearance01:23

Renal Clearance

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The glomerular filtration rate (GFR) is a critical marker of kidney function, reflecting the efficiency of filtration by the glomeruli. Renal clearance of specific substances, such as inulin or creatinine, is commonly used to measure GFR.
Renal clearance refers to the volume of plasma cleared of a specific substance, such as creatinine, per unit of time. To measure clearance, urine samples are collected over a 24-hour period during each bladder voiding, followed by a single blood sample at the...
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Renal Drug Clearance: Comparison Between Renal Excretion Methods01:08

Renal Drug Clearance: Comparison Between Renal Excretion Methods

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Renal clearance is a critical parameter encompassing kidney filtration, secretion, and reabsorption processes. It is calculated using a specific equation to determine the rate at which the kidneys clear a drug.
Renal clearance is often associated with the renal glomerular filtration rate (GFR), which represents the rate at which plasma is filtered through the glomeruli in the kidney. When drug reabsorption is minimal and there is no active secretion, renal clearance is closely related to the...
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Drug Elimination: Non-Renal Routes01:23

Drug Elimination: Non-Renal Routes

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The liver plays a pivotal role in eliminating drugs and their metabolites, primarily through a process known as biliary excretion. This process involves the hepatocytes, the primary cells in the liver that generate bile. A range of transporters actively expels polar drugs or hydrophilic drug metabolites into the bile, which transports the drugs and metabolites into the small intestine. From here, they are eventually expelled from the body through feces. In some instances, the original drug or a...
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Renal Tubule and Collecting Duct01:24

Renal Tubule and Collecting Duct

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The renal tubule is divided into three parts: the proximal convoluted tubule (PCT), the Loop of Henle (LOH), and the distal convoluted tubule (DCT).
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
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Related Experiment Video

Updated: Feb 2, 2026

The Use of Reverse Phase Protein Arrays RPPA to Explore Protein Expression Variation within Individual Renal Cell Cancers
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Recognizing Hereditary Renal Cancers Through the Microscope: A Pathology Update.

Yu-Ching Peng1, Ying-Bei Chen1

  • 1Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA.

Surgical Pathology Clinics
|November 19, 2018
PubMed
Summary

Pathologists can now better recognize hereditary renal cancer syndromes due to advances in understanding their molecular basis. This review aids in identifying these syndromes, which significantly impact patients and families.

Keywords:
Birt-Hogg-DubéFamilialHereditary leiomyomatosis renal cell carcinomaHereditary papillaryKidney cancerSuccinate dehydrogenaseTuberous sclerosisvon Hippel-Lindau

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Area of Science:

  • Oncology
  • Pathology
  • Genetics

Background:

  • Increased understanding of hereditary renal cancer syndromes and their molecular underpinnings.
  • Growing recognition of renal neoplasms associated with hereditary cancer syndromes by pathologists.

Purpose of the Study:

  • To review the clinicopathologic, immunohistochemical, and genetic features of hereditary renal cancer syndromes.
  • To highlight differential diagnostic challenges and recent advances in the pathologic and molecular assessment of these syndromes.

Main Methods:

  • Review of clinicopathologic features.
  • Analysis of immunohistochemical markers.
  • Examination of genetic findings.
  • Discussion of differential diagnoses.

Main Results:

  • Key characteristics of hereditary renal cancer syndromes have been elucidated.
  • Differential diagnostic challenges in identifying these syndromes are discussed.
  • Recent advancements in pathology and molecular diagnostics are emphasized.

Conclusions:

  • Accurate diagnosis of hereditary renal cell carcinoma is crucial due to its impact on patients and families.
  • Pathologic assessment plays a vital role in raising suspicion for hereditary renal cancer.
  • Continued research into molecular and pathologic features will improve diagnostic capabilities.