Medial Presentation of the Splenic Renal Impression

Description

Medial aspect of the spleen is presented in profile, focusing on the visceral surface where the renal impression forms a deep concavity. The renal impression lies posteromedially and is positioned inferior to the gastric impression, with the splenic hilum expected just anterior to it for passage of the splenic artery and vein. Along the superior border, subtle notches may be visible near the anterior end, while the diaphragmatic surface curves laterally away from the viewer. Orientation is clear. Emphasis on the splenic renal impression matters because it maps the contact plane between the spleen and the superior pole of the left kidney, a relationship that shifts with respiration, body habitus, and splenomegaly. During left nephrectomy or retroperitoneal exposure, traction on the splenorenal ligament and peritoneal reflections can transmit force to the splenic capsule, a common setup for iatrogenic laceration and troublesome hemorrhage. Blunt trauma also exploits this anatomy, since a swollen spleen may be driven against the kidney and posterior abdominal wall, concentrating stress along the concave visceral surface rather than the smoother diaphragmatic face. Ideal uses include renal and splenic anatomy teaching in gross anatomy labs, surgical education on left upper quadrant and retroperitoneal approaches, and textbook figures explaining visceral impressions and peritoneal ligament attachments (splenorenal, splenocolic). Radiology educators can pair it with CT or MRI coronal and sagittal slices to help learners correlate organ impressions with adjacent solid viscera. Anatomical accuracy verified by SciePro's Medical Advisory Board.