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Case Reports
. 2012 Mar;9(1):28-31.
doi: 10.5812/iranjradiol.6343. Epub 2012 Mar 25.

The Role of Multidetector CT in the Diagnosis of Retroperitoneal Fibrosis: Report of a Case

Hossein Ghanaati  1 , Mehdi Mohammadifar, Mahsa Ghajarzadeh, Kavous Firouznia, Marzieh Motevalli, Amir Hossein Jalali
Affiliations
Case Reports

The Role of Multidetector CT in the Diagnosis of Retroperitoneal Fibrosis: Report of a Case

Hossein Ghanaati et al. Iran J Radiol. 2012 Mar.

Abstract

Herein, we report a 40-year old man who presented with flank and abdominal pain with dilatation of the bilateral pyelocalyceal system detected in ultrasonography. Computed Tomography (CT) scan showed a soft tissue mass at the level of the fourth and fifth lumbar vertebrae in the retroperitoneal region. There were no blood flow signals in 64-slice multidetector CT (MDCT) which confirms the Retroperitoneal Fibrosis (RPF). Pathological examination showed infiltration of plasma cells, macrophages, lymphocytes and eosinophils accompanied by fibrosis, which is consistent with idiopathic RPF. In conclusion, 64-slice MDCT imaging is useful in the diagnosis of RPF.

Keywords: Abdominal Pain; Diagnosis; Multidetector Computed Tomography; Retroperitoneal Fibrosis.

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Figures

Figure 1
Figure 1. A 40-year-old man presenting with pain in the flank and abdomen together with flank tenderness
CT scan without contrast shows a soft tissue mass (arrow) which is located in the retroperitoneal area at the level of the fourth and fifth lumbar vertebrae.
Figure 2
Figure 2. Perfusion CT scan with MDCT 64 shows the retroperitoneal mass (arrow) without blood flow signals.
See this image and copyright information in PMC

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