Genitourinary trauma: Difference between revisions

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==Upper Tract Injuries (kidney + ureter)==
==Background==
[[File:Urinary system.png|thumb|'''(1) Human urinary system:''' (2) kidney; (3) renal pelvis; (4) ureter; (5) urinary bladder (6) urethra. <Br>'''Additional structures:''' (7) adrenal gland; (8) renal artery and vein; (9) inferior vena cava; (10) abdominal aorta; (11) common iliac artery and vein; (12) liver; (13) large intestine; (14) pelvis.]]
[[File:Urinary system.png|thumb|'''(1) Human urinary system:''' (2) kidney; (3) renal pelvis; (4) ureter; (5) urinary bladder (6) urethra. <Br>'''Additional structures:''' (7) adrenal gland; (8) renal artery and vein; (9) inferior vena cava; (10) abdominal aorta; (11) common iliac artery and vein; (12) liver; (13) large intestine; (14) pelvis.]]
[[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.]]
[[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.]]
*Majority of blunt trauma injuries present with hematuria
*Typically divided into:
**Upper tract injuries (kidney + ureter)
**Lower tract Injuries (bladder + urethra + genitalia)
 
==Clinical Features==
===Upper tract injury===
*Majority of blunt trauma injuries present with [[hematuria]]
*Renal pedicle injuries and penetrating injuries to ureter may not cause hematuria
*Renal pedicle injuries and penetrating injuries to ureter may not cause hematuria
*Renal injuries are associated with flank hematoma, lower rib fracture, penetrating wounds to flanks
*Renal injuries are associated with flank hematoma, lower rib fracture, penetrating wounds to flanks


===Evaluation===
===Lower tract injury===
*Often accompanied by signs of [[pelvic fracture]]
 
==Differential Diagnosis==
{{Lower GU trauma DDX}}
{{Abdominal trauma DDX}}
 
==Evaluation==
===Workup===
*Who to image?
*Who to image?
**Penetrating Trauma
**Penetrating Trauma
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****Deceleration injuries even with no hematuria
****Deceleration injuries even with no hematuria
****Multiple trauma patient
****Multiple trauma patient
===Diagnosis===
*CT with IV contrast is the gold standard in assessing renal and GU trauma
*CT with IV contrast is the gold standard in assessing renal and GU trauma
**More sensitive and specific than IVP, ultrasound, or angiography
**More sensitive and specific than IVP, ultrasound, or angiography
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**Note, CT A/P with IV contrast NOT sensitive enough for [[bladder trauma|bladder rupture]], requires CT cystography
**Note, CT A/P with IV contrast NOT sensitive enough for [[bladder trauma|bladder rupture]], requires CT cystography


===Types===
==Management==
*[[Renal Injuries]]
*[[Ureter Injuries]]


==Lower Tract Injuries (bladder + urethra + genitalia)==
*Often accompany pelvic fracture
{{Lower GU trauma DDX}}


==Differential Diagnosis==
==Disposition==
{{Abdominal trauma DDX}}


==See Also==
==See Also==
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*[[Abdominal trauma]]
*[[Abdominal trauma]]
*[[Trauma (main)]]
*[[Trauma (main)]]
==External Links==


==References==
==References==

Latest revision as of 17:16, 3 May 2023

Background

(1) Human urinary system: (2) kidney; (3) renal pelvis; (4) ureter; (5) urinary bladder (6) urethra.
Additional structures: (7) adrenal gland; (8) renal artery and vein; (9) inferior vena cava; (10) abdominal aorta; (11) common iliac artery and vein; (12) liver; (13) large intestine; (14) pelvis.
Renal anatomy.
Perinephric space with exaggerated pararenal space to show retroperitoneal structures. Perinephric bridging septa are seen between the left kidney and the adjacent renal fascia.
  • Typically divided into:
    • Upper tract injuries (kidney + ureter)
    • Lower tract Injuries (bladder + urethra + genitalia)

Clinical Features

Upper tract injury

  • Majority of blunt trauma injuries present with hematuria
  • Renal pedicle injuries and penetrating injuries to ureter may not cause hematuria
  • Renal injuries are associated with flank hematoma, lower rib fracture, penetrating wounds to flanks

Lower tract injury

Differential Diagnosis

Genitourinary Trauma

Abdominal Trauma

Evaluation

Workup

  • Who to image?
    • Penetrating Trauma
      • Any degree of hematuria
    • Blunt Trauma
      • Gross hematuria
      • Hypotension and any degree of hematuria
      • Child with >50rbc/HPF
      • High index of suspicion for renal trauma
        • Deceleration injuries even with no hematuria
        • Multiple trauma patient

Diagnosis

  • CT with IV contrast is the gold standard in assessing renal and GU trauma
    • More sensitive and specific than IVP, ultrasound, or angiography
    • However, can miss significant injuries to the renal pelvis, collecting system and ureter given CT generally obtained before contrast is excreted in the urine.
    • If initial CT shows high grade renal injury (grade IV of V), UPJ injury, or concern for ureteral injury, should obtain additional 10 minute delayed CT[1][2]
    • Exception to using IVP over CT is perioperatively in unstable patients requiring immediate operation for other injuries
    • Note, CT A/P with IV contrast NOT sensitive enough for bladder rupture, requires CT cystography

Management

Disposition

See Also

External Links

References

  1. Morey AF, Brandes S, Dugi DD 3rd, et al. Urotrauma: AUA guideline. J Urol. 2014;192(2):327-335.
  2. 33.* Holevar M, DiGiacomo C, Ebert J, et al. Practice management guidelines for the evaluation of genitourinary trauma.