Mercury embolism

Last revised by Daniel J Bell on 22 Dec 2020

Mercury embolism ​is a rare condition caused by the embolism of elemental mercury secondary to suicidal or accidental intravenous injection 1,4.

Pathology

Etiology

Mercury embolism is primarily from intravenous injection of elemental mercury although it has rarely been seen secondary to ingestion 1,4,6,7.

Radiographic features

CT

HRCT of chest exhibits 1-5:

  • multiple metallic point densities diffusely dispersed throughout both lung fields
  • hyperattenuating branching structures in the symmetric distribution in both lung parenchyma
  • right ventricle apex and pulmonary arteries also a potential site of mercury accumulation

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