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The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...
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Acute Kidney Injury II: Pathophysiology01:29

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Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
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Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

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Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
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Blood and Nerve Supply to the Kidney01:18

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The kidneys are vital organs responsible for filtering and cleaning blood, removing waste products, and regulating electrolyte levels. To perform these essential functions, they require a constant and robust blood supply.
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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

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Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
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Kidney Transplant II: Surgical Procedure01:26

Kidney Transplant II: Surgical Procedure

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Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living...
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Updated: Apr 8, 2026

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Primitive Neuroectodermal Kidney Tumor in Adults. A Systematic Review.

Eloísa Cabello-Gómez1, Inés Rivero-Belenchón1, Carmen Belén Congregado-Ruiz1

  • 1Urology Department, Virgen del Rocío University Hospital, 41013 Sevilla, Spain.

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|April 7, 2026
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Summary

Renal primitive neuroectodermal tumors (rPNET) are aggressive cancers in adults, often diagnosed late. Early multimodal treatment including surgery and chemotherapy is crucial for improving outcomes in these rare kidney tumors.

Keywords:
ewing sarcomakidney neoplasmsprimitive neuroectodermal tumours

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Area of Science:

  • Oncology
  • Urologic Oncology
  • Pathology

Background:

  • Renal primitive neuroectodermal tumor (rPNET) is a rare malignancy predominantly affecting young adults.
  • Diagnosis typically relies on histopathology, and the condition carries a poor prognosis, necessitating a multidisciplinary treatment approach.

Conclusions:

  • Adult rPNET is a rare, aggressive tumor often diagnosed at advanced stages.
  • A multimodal strategy involving surgery, systemic chemotherapy, and potentially radiotherapy, planned by a multidisciplinary team in specialized centers, is recommended.