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{{SK}} Acute focal bacterial nephritis, acute multifocal bacterial nephritis, emphysematous pyelonephritis, focal pyelonephritis, intrarenal abscess, lobar nephronia, renal corticomedullary abscess
{{SK}} Acute focal bacterial nephritis; acute multifocal bacterial nephritis; emphysematous pyelonephritis; focal pyelonephritis; intrarenal abscess; lobar nephronia; renal corticomedullary abscess; renal abscess


==Overview==
==[[Kidney abscess overview|Overview]]==
A kidney abscess is in intrarenal infection. Kidney abscesses are rare.


==Pathophysiology==
==[[Kidney abscess pathophysiology|Pathophysiology]]==
Most perirenal abscesses are caused by [[urinary tract infection]]s that start in the [[bladder]], spread to the kidney, and then spread to the area around the kidney. Other causes of perirenal abscess include surgery in the urinary tract or [[reproductive system]] and bloodstream infection.


The primary pathogens involved in a kidney abscess include the following:
==[[Kidney abscess causes|Causes]]==


*[[Enterobacter]] species
==[[Kidney abscess differential diagnosis|Differentiating Kidney abscess from other Diseases]]==
*[[Escherichia coli]]
*[[Klebsiella]] species
*[[Proteus mirabilis]]
*[[Pseudomonas]] species
*[[Streptococcus faecalis]]
*[[Staphylococcus aureus]]
==Risk Factors==
The biggest risk factor for perirenal abscess is kidney stones that block the flow of urine and provide a place for an infection to grow. Bacteria tend to stick to the stones and [[antibiotic]]s can't kill the bacteria there.


Stones are found in 20 - 60% of patients with perirenal abscess. Other risk factors for perirenal abscess include:
==[[Kidney abscess epidemiology and demographics|Epidemiology and Demographics]]==
*[[Diabetes]]
 
*Having an abnormal urinary tract
==[[Kidney abscess risk factors|Risk Factors]]==
*Trauma
 
==Natural History, Complications and Prognosis==
==[[Kidney abscess natural history, complications and prognosis|Natural History, Complications and Prognosis]]==
In general, quick diagnosis and treatment of perirenal abscess should lead to a good outcome. Kidney stones must be treated to avoid further infections. In rare cases, the infection can spread beyond the kidney area and into the bloodstream, which can be deadly.


If one has kidney stones, the infection may not go away.
==Diagnosis==
==Diagnosis==
===History and Symptoms===
[[Kidney abscess history and symptoms|History and Symptoms]] | [[Kidney abscess physical examination|Physical Examination]] | [[Kidney abscess laboratory findings|Laboratory Findings]] | [[Kidney abscess CT|CT]] | [[Kidney abscess MRI|MRI]] [[Kidney abscess ultrasound|Ultrasound]] [[Kidney abscess other imaging findings|Other Imaging Findings]] | [[Kidney abscess other diagnostic studies|Other Diagnostic Studies]]
Symptoms of perirenal abscess include:
 
*[[Chills]]
*[[Fever]]
*Pain in the [[flank]] (side of the abdomen) or [[abdomen]], which may extend to the [[groin]] or down the leg
*Sweats
===Physical Examination===
Signs of perirenal abscess include tenderness in the back or abdomen.
==Treatment==
==Treatment==
To treat perirenal abscess, the pus can be drained through a catheter that is placed through the skin or with surgery. Antibiotics should also be given, at first through a vein (IV).
[[Kidney abscess medical therapy|Medical Therapy]] | [[Kidney abscess surgery|Surgery]] | [[Kidney abscess primary prevention|Primary Prevention]] | [[Kidney abscess cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Kidney abscess future or investigational therapies|Future or Investigational Therapies]]
==Primary Prevention==
The surgical area must be kept as clean as possible after a urologic surgery.
 
==References==
{{reflist|2}}


[[category:Nephrology]]
==Case Studies==
[[category:Urology]]
[[Kidney abscess case study one|Case #1]]
[[category:Infectious disease]]
[[Category:Disease]]
[[Category:Needs content]]
[[Category:Nephrology]]
[[Category:Urology]]




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Latest revision as of 18:07, 18 September 2017

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Synonyms and keywords: Acute focal bacterial nephritis; acute multifocal bacterial nephritis; emphysematous pyelonephritis; focal pyelonephritis; intrarenal abscess; lobar nephronia; renal corticomedullary abscess; renal abscess

Overview

Pathophysiology

Causes

Differentiating Kidney abscess from other Diseases

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms | Physical Examination | Laboratory Findings | CT | MRI | Ultrasound | Other Imaging Findings | Other Diagnostic Studies

Treatment

Medical Therapy | Surgery | Primary Prevention | Cost-Effectiveness of Therapy | Future or Investigational Therapies

Case Studies

Case #1


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