To analyze and compare the image quality of different fast T1- and T2-weighted sequences with conventional spin echo sequences.

To discuss imaging parameters and option of various fast imaging sequences.

To review methods of reducing respiratory motion compatible with fast imaging techniques.

To review methods of data analysis used in this study.

To discuss the advantages of various fast imaging sequences.

To access overall performance of various fast imaging sequences in the diagnosis of renal lesions.

Renal MR Angiography: A Comprehensive Approach

To review the clinical problems associated with kidney disease.

To familiarize the radiologist and technologist with techniques used to examine renal arteries.

To discuss the importance of bolus timing techniques in obtaining a good exam.

To review the information obtained in a good quality renal angiographic exam.

Value of Image Subtraction in 3D Gadolimium-Enhanced MR Angiography of the Renal Arteries

To evaluate quantitatively and qualitatively the effects of image subtraction on the image quality of gadolium enhanced 3D MR angiograms of the renal arteries.

To review standard techniques utilized for gadolium enhanced 3D renal MRA.

To familiarize technologists with the sample of patients in this study, and the MR and Digital Subtraction Angiography (DSA) techniques used in the study.

To discuss significant changes in SNR/CNR measurements, and image quality when the subtraction technique was utilized.

Small Renal Cell Carcinoma: MRI with Pathologic Correlation

To review the pulse sequence parameters utilized to image small renal cell carcinoma.

To discuss and compare MR findings with histological findings of small renal carcinoma.

To review MR characteristics associated with various types of small renal cell carcinoma.