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The perirenal space is the largest of the three divisions of the retroperitoneum and is the most easily identified. It contains the kidneys, renal vessels, proximal collecting systems, adrenal glands and an adequate amount of fat to allow identification on CT scanning. It also contains the perinephric bridging septa of Kunin 5.
The space is surrounded by the perirenal fascia and is in continuity with the opposite perirenal space across the midline. It abuts the bare area of the liver on the right and the subphrenic space on the left; there is mediastinal communication via the various diaphragmatic hiatus.
In disease, the space is usually closed inferiorly, preventing pelvic spread.
Lesions that may involve the perirenal space include 4:
- 1. Standring S, Gray H. Gray's anatomy, the anatomical basis of clinical practice. Churchill Livingstone. (2008) ISBN:0443066841. Read it at Google Books - Find it at Amazon
- 2. Schuenke M, Schulte E, Schumacher U et-al. General Anatomy and Musculoskeletal System (THIEME Atlas of Anatomy). Thieme Medical Pub. (2010) ISBN:1604062924. Read it at Google Books - Find it at Amazon
- 3. Gilroy AM, MacPherson BR, Ross LM. Atlas of anatomy. Thieme Medical Pub. (2008) ISBN:160406062X. Read it at Google Books - Find it at Amazon
- 4. Westphalen A, Yeh B, Qayyum A et-al. Differential diagnosis of perinephric masses on CT and MRI. AJR Am J Roentgenol. 2004;183 (6): 1697-702. doi:10.2214/ajr.183.6.01831697 - Pubmed citation
- 5. Kunin M. Bridging septa of the perinephric space: anatomic, pathologic, and diagnostic considerations. (1986) Radiology. 158 (2): 361-5. doi:10.1148/radiology.158.2.3941862 - Pubmed