UKMLA PLAB AMC USMLE Prometric MCQ

a) a retrograde contrast examination is contraindicated
b) the usual infective agent is staphylococcus aureus
c) radiological differentiation from renal cell carcinoma is usually difficult
d) there increased cortico-medullary differentiation on ultrasound
e) histologically there is characteristic depostion of amyloid in the renal parenchyma