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Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses a challenge in...
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight, compared...
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
The Retinoblastoma Gene01:20

The Retinoblastoma Gene

Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...

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Transmesenteric Laparoscopic Pyeloplasty in Trendelenburg Position for Horseshoe Kidney with Hydronephrosis
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Pediatric urologic oncology.

Gwen M Grimsby1, Michael L Ritchey

  • 1Phoenix Children's Hospital, Phoenix, AZ 85016, USA.

Pediatric Clinics of North America
|August 4, 2012
PubMed
Summary
This summary is machine-generated.

This review covers pediatric genitourinary cancers, including rhabdomyosarcoma. Most pediatric urologic cancers have good outcomes, with a focus on organ preservation and minimizing treatment side effects.

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Area of Science:

  • Pediatric Urology
  • Pediatric Oncology
  • Genitourinary Cancers

Background:

  • Pediatric genitourinary (GU) cancers encompass a range of malignancies affecting young patients.
  • Rhabdomyosarcoma is a notable pediatric GU cancer with varied presentations in the bladder, prostate, paratesticular regions, vagina, or uterus.
  • Benign neoplasms are more common in pediatric testicular tumors than malignant ones.

Purpose of the Study:

  • To review common pediatric urologic cancers.
  • To discuss treatment strategies focusing on organ preservation and oncologic outcomes.
  • To highlight concerns regarding late sequelae of anticancer therapy.

Main Methods:

  • Literature review of common pediatric urologic cancers.
  • Analysis of treatment approaches and outcomes.
  • Discussion of organ preservation strategies and late effects of therapy.

Main Results:

  • Some locations, like the paratesticular region, show more favorable outcomes for rhabdomyosarcoma.
  • The majority of pediatric testicular tumors are benign and managed with testis-sparing surgery.
  • Most genitourinary malignancies in children are expected to have a good prognosis.

Conclusions:

  • Pediatric genitourinary cancers generally have favorable outcomes.
  • Organ preservation is a key treatment goal, balanced with oncologic success.
  • Minimizing the intensity of anticancer therapy is crucial to reduce late sequelae.