My son was diagnosed with mesenteric adinitis one month ago, was veru sick with vomiting bile and blood, CT scan report mentioned small l kidney, had US done and he is dx with moderate extrarenal pelvis and is seeing pediatric urologist very soon. Is the mesenteric adinits related to the extrarenal pelvis and whay will the treatment plan be? The US notes a spot in the center of thw kidney, how serious is this?