Organ of Zuckerkandl

Organ Of Zuckerkandl

Anatomy
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Organ of Zuckerkandl

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Description:
The Organ of Zuckerkandl is a chromaffin body derived from neural crest located at the bifurcation of the aorta or at the origin of the inferior mesenteric artery. It can be the source of pheochromocytoma.

The term "paraaortic bodies" is also sometimes used to describe it, as it usually arises near the abdominal aorta, but this term can be the source of confusion, because the term "corpora paraaortica" is also used to describe the aortic body, which arises near the thoracic aorta.

Function

Its physiological role is thought to be of greatest importance during the early gestational period as a homeostatic regulator of blood pressure, secreting catecholamines into the fetal circulation.

The organ itself regresses in the late third trimester and following birth to form the aorticosympathetic group of the adult paraganglia.

Pathology

It can be the source of paraganglioma.

The Organ of Zuckerkandl is of pathological significance in the adult as a common extra-adrenal site of pheochromocytoma though the most common extra-adrenal site is in the superior para-aortic region between the diaphragm and lower renal poles.

Extra-adrenal tumors account for around 10% of all cases of...
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