Case of the Week: Retroperitoneal Fibrosis (Ultrasound & CT)

Radiology Lectures | Radiologist Headquarters

Daniel J. Kowal, MD, Daniel J. Kowal, and MD에서 제공하는 콘텐츠입니다. 에피소드, 그래픽, 팟캐스트 설명을 포함한 모든 팟캐스트 콘텐츠는 Daniel J. Kowal, MD, Daniel J. Kowal, and MD 또는 해당 팟캐스트 플랫폼 파트너가 직접 업로드하고 제공합니다. 누군가가 귀하의 허락 없이 귀하의 저작물을 사용하고 있다고 생각되는 경우 여기에 설명된 절차를 따르실 수 있습니다 https://ko.player.fm/legal.

2+ y ago 4:56

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When? This feed was archived on April 26, 2023 20:55 (12M ago). Last successful fetch was on March 21, 2023 15:14 (1y ago)

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In this radiology lecture, we discuss the ultrasound and CT appearance of retroperitoneal fibrosis.

Key points include:

Most cases (70%) are idiopathic = Ormond disease.
Nonspecific symptoms depending on involved structures: Malaise, weight loss, low-grade fever.
Ureteral entrapment: Obstructive uropathy or renal failure, may see medial deviation of middle third of ureters with hydronephrosis.
Venous entrapment: Lower extremity edema, deep venous thrombosis.
CT: Soft tissue mass anterolateral to aorta with posterior sparing.
DDx: Retroperitoneal Lymphoma will Lift the aorta.
MRI: Low T1/T2 signal when inactive, T2 bright with early enhancement when active inflammation.
PET/CT: Avid when metabolically active, may aid in identifying appropriate biopsy sites.

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