How does the left adrenal gland thicken?

Left adrenal gland enlargement is a medical imaging term that shows a marked enlargement of one adrenal gland on CT, MRI or B-ultrasound. Clinically, the main causes of unilateral adrenal gland acceleration are adrenal hyperplasia and adrenal adenoma. If it is adrenal adenoma in the early stage, its symptoms are not obvious, can be tested cortisol, aldosterone and other hormones to come back to the diagnosis, under normal circumstances, clinically with bilateral adrenal thickening, hyperplasia more common, unilateral adrenal hyperplasia, thickening is relatively rare.