Right renal angiomyolipoma

Clinical History: 59-year old woman with right lower back pain for more than one year   Diagnosis: Right renal angiomyolipoma   MR Technique: Upper abdominal imaging was performed on a 3T MR system. (A, B) Axial T1-weighted VIBE in- and out-of-phase (TR/TE 3.88/1.27ms), and (C) axial FS T2-weighted TSE (TR/TE 5814/78ms, with respiratory triggering) scans […] [...]

MR Tumor Staging for Treatment Decision in Case of Wilms Tumor

Nephroblastoma – also known as Wilms tumor – is the most frequent renal malignancy in childhood with the highest incidence of this tumor within the fourth year of life. 80% of patients are less than 5 years old, however it is a rare condition in neonates ([...]

Renal Cell Carcinoma

This is a 76 year old man who was admitted to the hospital for sharp chest pain and was incidentally thought to have splenomegaly on physical exam. An abdominal ultrasound was initially ordered. The spleen appeared normal but a lesion in the lower pole of the left kidney was identified, for which a follow up MRI was performed. The patient did not have any genitourinary symptoms. [...]

Nephroblastoma

This 8-year-old girl presented to the hospital with recurring abdominal pain on the left side and fever up to 39°C. In the urinalysis, protein, ketones and white blood cells were found, as well as hematuria. Ultrasound and a MR examination revealed a mass lesion in the left retroperitoneum with presumptive diagnosis of a nephroblastoma. [...]

Contrast Enhanced MRA of the Renal Arteries, with Renal Artery Stenosis

This 64-year-old man presented with an increased serum creatinine level (2.77 mg/dL) and significant asymmetry of renal size (reduced on the right) on ultrasound. The past medical history was pertinent for prior stenting of the right renal artery. [...]

MRA – False Aneurysm of the Renal Artery

This 71-year-old man presented to the emergency room with a fever up to 39°C and a general decline in his state of health. Two weeks previously, he underwent a partial resection of the right kidney due to suspected renal cell carcinoma, that turned out to be an hemorrhagic cyst. [...]