Case report: Brown fat accumulation of tc-99m Macroaggregated albumin in a lung perfusion study in a patient with multiple lung Arteriovenous malformations and right-To-left shunting

Wael Marashdeh, Richard L. Wahl

Research output: Contribution to journalArticle

Abstract

An 18-year-old man was preoperatively assessed for a varicocele and found to be hypoxemic. A Tc-99m macroaggregated albumin lung perfusion scan showed right-To-left shunting, evidenced by increased radiotracer uptake in the brain, kidneys, thyroid gland, and bilateral supraclavicular areas, a typical location for brown adipose tissue. Chest computerized tomography angiogram study showed supraclavicular fat density areas and multiple pulmonary arteriovenous malformations. The authors report a rare case of brown fat visualization on a lung perfusion scan in a patient with right-To-left shunting, likely because of increased perfusion to activated brown adipose tissue.

Original languageEnglish (US)
Pages (from-to)e1820
JournalMedicine (United States)
Volume94
Issue number42
DOIs
StatePublished - Oct 1 2015
Externally publishedYes

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Technetium Tc 99m Aggregated Albumin
Brown Adipose Tissue
Arteriovenous Malformations
Perfusion
Lung
Varicocele
Patient Rights
Angiography
Thyroid Gland
Thorax
Fats
Tomography
Kidney
Brain

ASJC Scopus subject areas

  • Medicine(all)

Cite this

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