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CT PELVIS CONTRAST

INDICATIONS

INDICATIONS (1-3)

From ACR Criteria:

 

  • colectomy with anastomosis, complication suspected, initial imaging

  • Coloproctectomy with anastomosis, complication suspected, initial imaging

  • Perianal abscess suspected (initial imaging)

  • Post proctectomy with anastomosis, complication suspected, initial imaging

  • Pouchitis suspected (initial imaging)

  • Rectovaginal fistula suspected, initial imaging

  • Recto vesicular fistula suspected, initial imaging

  • Deep pelvic hernia

    • suspected, obturator, initial imaging

    • suspected, perineal, initial imaging

    • suspected, sciatic, initial imaging

  • Groin hernia

    • suspected, femoral, initial imaging

    • suspected, inguinal, initial imaging

  • Primary bone tumour, aggressive, pelvis, local recurrence surveillance

  • Soft tissue mass, pelvis, US/X-RAY non-diagnostic, MRI contraindicated 

  • Soft tissue infection

    • suspected, pelvis, hx of puncture wound, possible foreign body retained, X-RAY normal, next imaging study 

    • suspected, pelvis, soft tissue gas on XR, no puncture wound, next imaging study 

    • suspected, pelvis, XR findings suggest joint effusion or swelling, next imaging study 

    • suspected, pelvis, XR normal, next imaging study

Pathology Demonstrated

PATHOLOGY DEMONSTRATED (1-3)

  • Pelvic collection

  • Hernia

  • Soft tissue mass

  • Fracture/dislocation

  • Perianal abscess/fistula

Patient Preparation

PATIENT PREPARATION

  • Patient able to lie still for ten minutes

  • Not claustrophobic (sedation may be given)

  • Cognitively capable of following basic instructions

  • Metal artefacts removed from the region of interest

  • No respiratory distress when lying supine

  • Not allergic to Iodine based Contrast

  • No known kidney disease (eGFR below 30 as per RANZCR), however, acute setting consultant may sign to continue with poor renal function

  • No hyperthyroidism, may induce thyroid storm

  • Patient to have 20G cannula in anterior cubital fossa.

  • Preferably patient fasted for 4 hours

ANATOMY INCLUDED

ANATOMY INCLUDED
 

axial.gif
CT Pelvis (Portal Venous Axial)
coronal.gif
CT Pelvis (Portal Venous Coronal)
sagittal.gif
CT Pelvis (Portal Venous Sagittal)

REFERENCES

1. American College of Radiology (ACR). Appropriateness Criteria. [Internet]. 2022 [Updated 2021, cited 10 Aug 2022]. Available from https://www.acr.org/Clinical-Resources/ACR-Appropriateness-Criteria​

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2. Radiopaedia. CT Abdomen-Pelvis (Protocol) [Internet]. 2008 [updated 7 April 2022, cited 23 Aug 2022]. Available from https://radiopaedia.org/articles/ct-abdomen-pelvis-protocol-1?lang=us

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3. Radiopaedia. CT Pelvis (Protocol) [Internet]. 2008 [updated 7 April 2022, cited 23 Aug 2022]. Available from https://radiopaedia.org/articles/ct-pelvis-protocol-1?lang=gb 

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