title: 99mTc-MAA Pulmonary Scintigraphy in Hereditary Hemorrhagic Telangiectasia.
abstract: A 5-year-old boy was admitted due to shortness of breath. Blood gas analysis showed hypoxemia. However, thoracic and abdominal CT, brain MRI, and MR angiography were all normal. A Tc-MAA pulmonary scintigraphy revealed right-to-left shunting of the blood. Further genetic analysis showed the mutations in the activin receptor-like kinase 1 gene, and a diagnosis of hereditary hemorrhagic telangiectasia was made.
authors.affiliation: From the Departments of *Nuclear Medicine, and †Radiology, Beijing Friendship Hospital of Capital Medical University, Xi Cheng District, Beijing, China.
authors.forename: Fang
authors.initials: F
authors.lastname: Yang
authors.forename: Leilei
authors.initials: L
authors.lastname: Yuan
authors.forename: Daqing
authors.initials: D
authors.lastname: Ma
authors.forename: Jigang
authors.initials: J
authors.lastname: Yang
mesh_terms: D030301:Activin Receptors, Type II / Q000235:genetics; D002648:Child; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008279:Magnetic Resonance Imaging; D008297:Male; D049268:Positron-Emission Tomography; D019275:Radiopharmaceuticals; D013668:Technetium Tc 99m Aggregated Albumin; D013683:Telangiectasia, Hereditary Hemorrhagic / Q000000981:diagnostic imaging* / Q000235:genetics
chemical_list: D019275:Radiopharmaceuticals; D013668:Technetium Tc 99m Aggregated Albumin; C425364:ACVRL1 protein, human; D030301:Activin Receptors, Type II