Fig. 1From: The SLC6A19 gene mutation in a young man with hyperglycinuria and nephrolithiasis: a case report and literature reviewUltrasonography revealed the left varicocele, nutcracker phenomenon, and right parathyroid nodule. a The left varicocele. b The right normal spermatic vein. c, d The left renal vein was compressed across the abdominal aorta. e, f, g Neck ultrasonography showed one hypoechoic nodule under the right lobe of the thyroidBack to article page