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  • Title: A cadaveric anatomical study: anatomy and anatomical variations of left adrenal vein.
    Author: Saadi A, Mokadem S, Chakroun M, Hermi A, Boussaffa H, Ayed H, Allouche M, Bouzouita A, Derouiche A, Ben Slama MR, Hamdoun M, Chebil M.
    Journal: Surg Radiol Anat; 2022 May; 44(5):689-695. PubMed ID: 35362770.
    Abstract:
    PURPOSE: Control of adrenal vein is the key of adrenal surgery. Its anatomy can present variations. Our aim was to study the anatomy of the main left adrenal vein (LAV) and its anatomical variations. METHODS: Our work is based on dissection of 40 cadavers. We studied the number of LAV and the drainage of the main adrenal vein as well as its level of termination. We measured its length, its width and the distance between its termination level and the termination level of the gonadal vein (GV). RESULTS: The average length of the LAV was 21 mm its mean width was 5 mm. It ended in 100% of cases at the upper edge of the left renal vein after an anastomosis with the lower phrenic vein in 36 cases (90%) and without anastomosis with the lower phrenic vein in four cases (10%). The left adrenal vein ended at the upper edge of the left renal vein either at the same level as the termination of the left GV in 14 cases (35%) or within the termination of the left GV in 26 cases (65%) by an average of 8 mm. The LAV was unique central vein in 22 cases (55%) and in 12 cases (30%), a major central adrenal vein with several small veins was found. CONCLUSIONS: The LAV is usually unique but there are variations in number. There are also variations in the level of its termination in the left renal vein as well as its anastomosis. During surgery, in case of difficulty, the left GV and the adrenal-diaphragmatic venous trunk could be used as benchmarks.
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