CT and MR Imaging in the Evaluation of Retroperitoneal Fibrosis

Sa, Mulligan; Hc, Holley; Re, Koehler; Db, Koslin; Rubin, Eva; Ll, Berland; Pj, Kenney

doi:10.1097/00004728-198903000-00018

Cited by 35 publications

(16 citation statements)

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“…Our results are similar to those of the literature, since CT led to the diagnosis of RPF in 72% of cases in the Lugosi study [10]. In the Sérézal study [15], the CT confirmed the diagnosis of RPF in 100% of cases.…”

Section: Abdominal Ct-scansupporting

confidence: 90%

“…A radiological classification recently proposed by Scheel [18] is available in some published studies [15]. This classification involves distributing lesions of fibrosis as follows:…”

Section: Abdominal Ct-scanmentioning

confidence: 99%

“…In the study of Serezal [15], this technique was performed in 11 patients, at different stages of the evolution of the RPF. Retroperitoneal lesions were then fixed in 8 cases out of 11 (72.7%).…”

Section: Pet-scann (Figure 9) [19]mentioning

confidence: 99%

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Radiological aspects of retroperitoneal fibrosis

Mzabi¹,

Marrakchi²,

Alaya³

et al. 2018

Rheumatol Orthop Med

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Objective: Evaluate radiological findings on retroperitoneal fibrosis. Patients and methods :A retrospective analysis conducted in the internal Medicine Department in Sahloul teaching Hospital between 1999 and 2016.Results: Thirty-two patients were included. There were 24 men and 8 women with a mean age of 58 years. Lower back pain is the most common symptom. Ultrasound showed a dilatation of the urinary cavities (n=16, 50%) and the CT scan confirmed the bilateral ureteral catheterization (n=11). A fibrous mass that surrounds abdominal aorta, the inferior vena cava and the iliac vessels was noted in CT scan (23 cases), in MRI (9 cases). Intravenous urography (IVU) noted ureteropelicillal dilation in 4 cases. Five patients suffered from RFP associated to pulmonary fibrosis (n=2), sarcoidosis (n=1), immunoglobulin G4-related disease (n=1), Riedel thyroiditis and orbital pseudo tumor (n=1). Conclusion:The diagnosis of RPF is based on imaging, which seeks an etiology, an associated disease or a complication. CT-scan is the preferred imaging method. MRI may facilitate assessment of disease extent.

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Section: Abdominal Ct-scansupporting

confidence: 90%

“…A radiological classification recently proposed by Scheel [18] is available in some published studies [15]. This classification involves distributing lesions of fibrosis as follows:…”

Section: Abdominal Ct-scanmentioning

confidence: 99%

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Radiological aspects of retroperitoneal fibrosis

Mzabi¹,

Marrakchi²,

Alaya³

et al. 2018

Rheumatol Orthop Med

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“…On the other hand, the prognosis for malignant para-aortic neoplasm and malignant RPF is poor, with a mean survival of 3-6 months for malignant RPF (9)(10)(11)(12). Imaging findings-including the morphologic parameters of lesions, contrast material enhancement, and fluorine 18 fluorodeoxyglucose uptake patterns-and signal intensity characteristics on T2-weighted magnetic resonance (MR) images are used to differentiate benign RPF from malignant RPF (13)(14)(15)(16)(17)(18)(19)(20)(21). However, in two reviews that summarize these studies, it was reported that the imaging findings were not reliable enough to allow differentiation of benign RPF from malignant RPF (4,5).…”

Section: Discussionmentioning

confidence: 99%

Role of Diffusion-weighted MR Imaging in the Differentiation of Benign Retroperitoneal Fibrosis from Malignant Neoplasm: Preliminary Study

Bakir¹,

Yilmaz²,

Türkay³

et al. 2014

Radiology

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ADC of chronic RPF was higher than that for active RPF or malignant RPF and retroperitoneal malignant neoplasm. DWI can contribute to differential diagnosis of chronic RPF and malignant neoplasms with RPF morphology. Lesions in the malignant group and active RPF group had similar enhancement patterns, while those in the chronic RPF group demonstrated less enhancement. Signal intensity values on T2-weighted images were not useful for differentiating these conditions.

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“…Fibrosis, for example in retroperitoneum, spleen and lymph nodes, is characterized by low signal intensity on both TI and T2 weighted images (8,15,17,20,27). In M R imaging, inflammatory cell infiltrates can be expected to have high signal intensity in T2 weighted images due to high water content, and therefore act opposite to interstitial fibrosis.…”

Section: Discussionmentioning

confidence: 99%