Adrenal gland & paraganglia
Other nonneoplastic
Adrenal union / adhesion

Topic Completed: 1 February 2005

Minor changes: 4 July 2020

Copyright: 2002-2020,, Inc.

PubMed Search: Adrenal union[TI] OR adrenal adhesion[TI]

Nat Pernick, M.D.
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Table of Contents
Definition / general
Cite this page: Pernick N. Adrenal union / adhesion. website. Accessed November 26th, 2020.
Definition / general
Adrenal union (fusion)
  • Adrenal glands are fused above the aorta with butterfly or horseshoe shape, with common connective tissue capsule and intermingling of cells
  • Associated with midline congenital defects, including spinal dysraphism, indeterminate visceral situs, bilateral renal agenesis and Cornelia de Lange syndrome (intellectual and growth disabiity, low set ears, antiverted nostrils, spade-like hands with short tapering fingers)
  • Normal histology
  • Unions also to kidney or liver in 0.4-3.0% of unselected autopsies; common capsule, but no intermingling of cells

Adrenal adhesion
  • Adrenal gland is attached to opposite adrenal gland, but with an intervening connective tissue capsule
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