Importance of the adrenal gland blood supply during laparoscopic subtotal adrenalectomy
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Updated: Jun 15, 2026
A Novel Method: Super-selective Adrenal Venous Sampling
Published on: September 15, 2017
Craig N Parnaby1, Norman Galbraith, Patrick J O'Dwyer
1Department of Surgery , Western Infirmary, Glasgow, Scotland. craigparnaby@aol.com
Introduction:
Laparoscopic subtotal adrenalectomy (LSA) has emerged as a treatment option in the management of certain adrenal pathologies. After LSA, a satisfactory blood supply to the adrenal remnant is vital to preserve steroid function. The aim of this study was to review the adrenal blood supply with relevance to LSA.
Materials And Methods:
The adrenal blood supply was examined in three ways: 1) a review of six previous cadaver studies looking at adrenal blood supply; 2) a review of our 164 consecutive laparoscopic adrenalectomies (LAs) (January 1999-January 2009); the details of the main adrenal veins and variants had been prospectively recorded; and 3) dissection of 4 cadaver specimens (macroscopic and histologic examination was performed).
Results:
The six cadaver studies showed duplication or triplication of the main adrenal vein with variable frequency. Four of six studies described smaller peripheral veins surrounding the adrenal gland. The arterial supply appeared constant, with each adrenal gland supplied by up to 60 small arteries. In our series of LA, the main adrenal vein was constant. In 6 cases, the main vein was duplicated. Our cadaver dissection showed the large number of small peripheral veins and arteries surrounding the adrenal gland. Histology confirmed that these peripheral veins drained the adrenal gland.
Conclusions:
After LSA, a nonfunctioning adrenal remnant is unlikely due to an inadequate arterial supply. Division of the main adrenal vein appears safe, but excessive mobilization of the adrenal remnant should be avoided to prevent destruction of the peripheral veins.
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