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Laparoscopic Adrenal Surgery

Adrenal surgery involves removal of one or both adrenal glands. The adrenal glands are paired endocrine glands located above each kidney. The surgical procedure of adrenal gland removal is known as adrenalectomy and is indicated in patients with benign or malignant tumour-like mass within the adrenal glands. Adrenalectomy can be performed either by the laparoscopic technique or open surgery.

Laparoscopic adrenalectomy

Laparoscopic adrenalectomy is usually indicated for non-cancerous (benign) adrenal tumours. This technique uses small incisions instead of a large incision. A small incision is made in the flank (side of the body, between the ribs and the hip), through which a laparoscope (a thin telescope like instrument) is inserted. The laparoscope is attached to a tiny video camera which enables the surgeon to visualize an enlarged view of the site of operation on the television monitor. Carbon dioxide gas is introduced into the abdominal cavity to inflate it and give a clear view of the operating area.  Further, two or three small incisions are made, through which surgical instruments are inserted to perform the adrenalectomy procedure. The skin incisions will be sutured and covered with a surgical dressing.

The advantages of laparoscopic adrenalectomy include less post-operative pain, a shorter hospitalization period, minimal scar, reduced chronic pain from nerve injury, minimal risk of developing hernia, and a fast recovery with a much quicker return to normal activity.

Open Adrenalectomy

The anterior approach is most commonly used and involves a vertical incision made in the middle of the abdomen or a diagonal incision just under the ribcage. The surrounding structures are moved apart to expose the adrenal glands. As this approach provides better exposure, it is ideal for large sized adrenal tumours, particularly if a malignant tumour is suspected, and removal of surrounding organs invaded by cancer is required.

Thoracoabdominal approach is considered when the tumours are very large and invade the surrounding organs or veins that drain the adrenal gland. In this technique, a large incision is made which extends through the abdomen and the chest to provide wide exposure of the area. This approach may cause increased post-operative pain and lung complications.

The risks of complications are higher with open surgery compared to the laparoscopic surgical procedure. Possible complications of adrenal surgery include lung problems, wound infection, bleeding, scarring, formation of blood clots in the leg veins which may travel to the lungs, adrenal insufficiency (inability to produce enough cortisol), and damage to blood vessels and adjacent organs (spleen, liver, pancreas).