Perirenal abscess is a pocket of pus caused by an infection around one or both kidneys.
Alternative NamesPerinephric abscess
Causes, incidence, and risk factorsMost perirenal abscesses are caused by urinary tract infectionsthat 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 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 antibiotics can't kill the bacteria there.
Stones are found in 20 - 60% of patients with perirenal abscess. Other risk factors for perirenal abscess include:
Symptoms of perirenal abscess include:
Signs of perirenal abscess include tenderness in the back or abdomen.
Tests include:
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).
Expectations (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.
ComplicationsIf you have kidney stones, the infection may not go away.
Calling your health care providerCall your health care provider if you have a history of kidney stones and develop:
If you have kidney stones, ask your doctor about the best way to treat them to avoid a perirenal abscess. If you undergo urologic surgery, keep the surgical area as clean as possible.
ReferencesArcher GL. Staphylococcal infections. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 310.
Perirenal abscess is a pocket of pus caused by an infection around one or both kidneys.
Alternative NamesPerinephric abscess
Causes, incidence, and risk factorsMost perirenal abscesses are caused by urinary tract infectionsthat 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 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 antibiotics can't kill the bacteria there.
Stones are found in 20 - 60% of patients with perirenal abscess. Other risk factors for perirenal abscess include:
Symptoms of perirenal abscess include:
Signs of perirenal abscess include tenderness in the back or abdomen.
Tests include:
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).
Expectations (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.
ComplicationsIf you have kidney stones, the infection may not go away.
Calling your health care providerCall your health care provider if you have a history of kidney stones and develop:
If you have kidney stones, ask your doctor about the best way to treat them to avoid a perirenal abscess. If you undergo urologic surgery, keep the surgical area as clean as possible.
ReferencesArcher GL. Staphylococcal infections. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 310.
Sobel JD, Kaye D. Urinary tract infections. In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 7th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2009:chap 69.
Reviewed ByReview Date: 09/03/2010
Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Scott Miller, MD, Urologist in private practice in Atlanta, Georgia. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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A dental abscess, or tooth abscess, is an accumulation of pus that forms inside the teeth or gums. The abscess typically originates from a bacterial infection, often one that has accumulated in the soft pulp of the tooth. There are 3 types of dental abscess:Gingival abscess - the abscess is only in the gum tissue and does not affect the tooth or the periodontal ligament.Periodontal abscess - this abscess starts in the supporting bone tissue structures of the teeth.Periapical abscess - this abscess commences in the soft pulp of the tooth.Visit: Evista dosages online
It depends. It depends on the location of the abscess, the size of the abscess, and the nature of the abscess. Frequently, a dentist will put a patient on a regimen of antibiotics and pain pills for a few days to bring the abscess down so the local anesthetic will be effective.
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