This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary tract, Subject name: Pathology
[{'content': '"Wire loop lesion" in kidney are pathognomonic of which of the following conditions? \nSelect and explain. \nA. Amyloidosis, B. Systemic lupus erythematosis, C. Good pasture syndrome, D. Diabetic nephropathy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Lupus nephritis showing a glomerulus with several "wire-loop" lesions representing extensive subendothelial deposits of immune complexes (periodic acid-Schiff stain). Ref: ROBBINS BASIC PATHOLOGY 10th ed Pg no: 155', 'role': 'assistant'}]