Renal abscess - Revision history

Danbot: Remove refs with incorrect PMIDs (verified against PubMed)

2026-03-22T10:25:01Z

Remove refs with incorrect PMIDs (verified against PubMed)

← Older revision		Revision as of 10:25, 22 March 2026
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	==Clinical Features==		==Clinical Features==
	*Costovertebral, [[flank pain\|flank]], lumbar, lower [[chest pain\|chest]], or [[back pain]]~~<ref>Coelho RF, et al. Renal and perinephric abscesses: analysis of 65 consecutive cases. World J Surg. 2007;31(2):431-436. PMID 17219281</ref>~~		*Costovertebral, [[flank pain\|flank]], lumbar, lower [[chest pain\|chest]], or [[back pain]]
	**Usually unilateral		**Usually unilateral
	*[[Fever]], especially if prolonged or after antibiotic initiation		*[[Fever]], especially if prolonged or after antibiotic initiation

Danbot: Add peer-reviewed reference

2026-03-22T10:16:09Z

Add peer-reviewed reference

← Older revision		Revision as of 10:16, 22 March 2026
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	==Clinical Features==		==Clinical Features==
	*Costovertebral, [[flank pain\|flank]], lumbar, lower [[chest pain\|chest]], or [[back pain]]		*Costovertebral, [[flank pain\|flank]], lumbar, lower [[chest pain\|chest]], or [[back pain]]<ref>Coelho RF, et al. Renal and perinephric abscesses: analysis of 65 consecutive cases. World J Surg. 2007;31(2):431-436. PMID 17219281</ref>
	**Usually unilateral		**Usually unilateral
	*[[Fever]], especially if prolonged or after antibiotic initiation		*[[Fever]], especially if prolonged or after antibiotic initiation

Rossdonaldson1: /* Evaluation */

2020-05-02T11:28:14Z

Evaluation

← Older revision		Revision as of 11:28, 2 May 2020
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	==Evaluation==		==Evaluation==
			[[File:PMC5265200 13244 2016 536 Fig11 HTML.png\|thumb\|CT showing a right renal abscess that has burst into the perinephric space (arrow), best appreciated as the soft tissue density interposed between the kidney and adjacent liver]].
	*Labs		*Labs
	**CBC, BMP, [[UA]], [[lactate]]		**CBC, BMP, [[UA]], [[lactate]]
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	**[[Renal ultrasound]]		**[[Renal ultrasound]]
	***Well-defined hypoechoic lesion with thick walls and usually with internal debris		***Well-defined hypoechoic lesion with thick walls and usually with internal debris
	**CT		**CT

	==Management==		==Management==

Rossdonaldson1 at 11:18, 2 May 2020

2020-05-02T11:18:33Z

← Older revision		Revision as of 11:18, 2 May 2020
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	==Background==		==Background==
	[[File:Blausen 0592 KidneyAnatomy 01.png\|thumb\|Renal anatomy.]]		[[File:Blausen 0592 KidneyAnatomy 01.png\|thumb\|Renal anatomy.]]
			[[File:PMC5265200 13244 2016 536 Fig1 HTML.png\|thumb\|Perinephric space with exaggerated pararenal space to show retroperitoneal structures. Perinephric bridging septa are seen between the left kidney and the adjacent renal fascia.]]
	*Rare clinical entity which can lead to delayed diagnosis		*Rare clinical entity which can lead to delayed diagnosis
	*Usually a complication of a [[UTI]] or [[pyelonephritis]]		*Usually a complication of a [[UTI]] or [[pyelonephritis]]

Rossdonaldson1: /* Background */

2020-05-02T10:45:55Z

Background

← Older revision		Revision as of 10:45, 2 May 2020
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	**Most commonly due to [[E. Coli]], [[Klebsiella]], [[Proteus]]		**Most commonly due to [[E. Coli]], [[Klebsiella]], [[Proteus]]
	*Less often can be due to hematogenous spread from other sources of infection		*Less often can be due to hematogenous spread from other sources of infection
	**Most commonly due to Staph aureus		**Most commonly due to [[Staph aureus]]

	===Risk Factors===		===Risk Factors===

Rossdonaldson1: /* Background */

2020-05-02T10:42:50Z

Background

← Older revision		Revision as of 10:42, 2 May 2020
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	==Background==		==Background==
			[[File:Blausen 0592 KidneyAnatomy 01.png\|thumb\|Renal anatomy.]]
	*Rare clinical entity which can lead to delayed diagnosis		*Rare clinical entity which can lead to delayed diagnosis
	*Usually a complication of a [[UTI]] or [[pyelonephritis]]		*Usually a complication of a [[UTI]] or [[pyelonephritis]]

Rossdonaldson1: /* Background */

2020-05-02T10:26:56Z

Background

← Older revision		Revision as of 10:26, 2 May 2020
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	{{Perinephric vs Renal Abscess}}		{{Perinephric vs Renal Abscess}}

			{{UTI types}}

	==Clinical Features==		==Clinical Features==

Rossdonaldson1: /* References */

2020-05-02T10:26:06Z

References

← Older revision		Revision as of 10:26, 2 May 2020
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	[[Category:Renal]]		[[Category:Renal]]
	[[Category:ID]]		[[Category:ID]]
			[[Category:Urology]]

ClaireLewis at 13:36, 17 October 2019

2019-10-17T13:36:51Z

← Older revision		Revision as of 13:36, 17 October 2019
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	==Clinical Features==		==Clinical Features==
	*Costovertebral, flank, lumbar, lower chest, or back pain		*Costovertebral, [[flank pain\|flank]], lumbar, lower [[chest pain\|chest]], or [[back pain]]
	**Usually unilateral		**Usually unilateral
	*[[Fever]], especially if prolonged or after antibiotic initiation		*[[Fever]], especially if prolonged or after antibiotic initiation
	*[[Nausea]], [[vomiting]]		*[[Nausea]], [[vomiting]]
	*UTI or pyelonephritis symptoms not improving with antibiotics		*UTI or pyelonephritis symptoms not improving with antibiotics

			===Complications===
			*Need for open surgical management or nephrectomy
			*[[Renal failure]]
			*[[Sepsis]], [[bacteremia]]
			*[[emphysematous pyelonephritis\|Emphysematous kidney]]
			*Cortical abscesses can rupture and form [[perinephric abscesses]]

	==Differential Diagnosis==		==Differential Diagnosis==
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	==Evaluation==		==Evaluation==
	*Labs		*Labs
	**CBC, BMP, UA, lactate		**CBC, BMP, [[UA]], [[lactate]]
	**Urine culture, blood cultures		**Urine culture, blood cultures
	***Some studies have shown up to 66% will have + blood cultures		***Some studies have shown up to 66% will have + blood cultures
	*Imaging		*Imaging
	**US		**[[Renal ultrasound]]
	***Well-defined hypoechoic lesion with thick walls and usually with internal debris		***Well-defined hypoechoic lesion with thick walls and usually with internal debris
	**CT		**CT
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	**Especially if elderly or elevated BUN or creatinine		**Especially if elderly or elevated BUN or creatinine

	~~==Complications==~~
	*Need for open surgical management or nephrectomy
	*Renal failure
	*[[Sepsis]], bacteremia
	*Emphysematous kidney
	*Cortical abscesses can rupture and form perinephric abscesses

	==References==		==References==

Rossdonaldson1: Text replacement - "[[Ceftriaxone]]" to "Ceftriaxone"

2017-03-12T04:58:43Z

Text replacement - "[[Ceftriaxone]]" to "Ceftriaxone"

← Older revision		Revision as of 04:58, 12 March 2017
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	**Broad spectrum if unclear source		**Broad spectrum if unclear source
	***If urinary source cover typical urinary pathogens		***If urinary source cover typical urinary pathogens
	****[[[[Ceftriaxone]]]] 1g IV		****[[Ceftriaxone]] 1g IV
	****[[Piperacillin-Tazobactam]] 4.5 g IV		****[[Piperacillin-Tazobactam]] 4.5 g IV
	***If hematogenous spread considered, cover for MSSA and MRSA		***If hematogenous spread considered, cover for MSSA and MRSA