Investig Magn Reson Imaging.  2019 Sep;23(3):276-278. 10.13104/imri.2019.23.3.276.

Left-Sided Cisterna Chyli: a Case Report on a Rare Normal Anatomic Structure

Affiliations
  • 1Department of Radiology, Soonchunhyang University College of Medicine, Cheonan Hospital, Cheonan, Korea. jeongah.h09@gmail.com

Abstract

The cisterna chyli, a dilated lymphatic sac in the retrocrural space, is usually located to the right of the aorta. We report a case of a left-sided cisterna chyli, which was incidentally detected on the radiologic examinations of a preoperative workup for cholangiocarcinoma. Computed tomography (CT) and magnetic resonance (MR) images revealed a cisterna chyli measuring 2.5 cm in length in the left retrocrural space. The dilated lumbar lymphatics joined with the cisterna chyli, which was continuous with the left-sided thoracic duct. To the best of our knowledge, this is the second antemortem case of a left-sided cisterna chyli in literature. The cisterna chyli can mimic retrocrural lymphadenopathy, solid tumor with cystic degeneration, abscess or hematoma. The left-sided cisterna chyli should be referred to as a structure so as to be cautious in surgical approach.

Keyword

Cisterna chyli; Thoracic duct; Lymphatic abnormalities

MeSH Terms

Abscess
Aorta
Cholangiocarcinoma
Hematoma
Lymphatic Abnormalities
Lymphatic Diseases
Thoracic Duct*
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