Perinephric abscess

Perinephric abscess is a nephrological condition characterized by the accumulation of pus in the perinephric space. This condition is often associated with urinary tract infections and kidney stones.

Causes

The most common cause of perinephric abscess is the spread of a bacterial infection from the kidney. This can occur as a result of a urinary tract infection, kidney stones, or direct spread from a blood-borne infection. The most common bacteria involved are Escherichia coli and Staphylococcus aureus.

Symptoms

Symptoms of a perinephric abscess can vary, but often include fever, pain in the side or back, and general feelings of illness. Other symptoms may include nausea, vomiting, and urinary symptoms such as frequent urination or pain during urination.

Diagnosis

Diagnosis of a perinephric abscess can be challenging, as the symptoms can be nonspecific and similar to other conditions. However, imaging tests such as ultrasound or computed tomography (CT) scan can often detect the abscess. Blood tests may also be used to identify the bacteria causing the infection.

Treatment

Treatment for a perinephric abscess typically involves antibiotics to treat the underlying infection, and drainage of the abscess. This can often be done using a needle and syringe under ultrasound or CT guidance. In some cases, surgery may be required to remove the abscess and any associated kidney stones.

Prognosis

With prompt diagnosis and treatment, the prognosis for a perinephric abscess is generally good. However, if left untreated, the condition can lead to serious complications such as sepsis or kidney failure.

See also

• Pyelonephritis
• Renal abscess
• Urinary tract infection

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