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CC BY-NC-ND 4.0 · World J Nucl Med 2018; 17(04): 299-301
DOI: 10.4103/wjnm.WJNM_73_17
Case Report

False-positive technetium-99m methylene diphosphonate bone scan activity in the orbit in a patient with a history of breast carcinoma

Sarah Bonnet
Department of Radiology, Ohio State University Wexner Medical Center, Columbus, Ohio
,
Joel Palko
1   Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, St. Louis, MO, USA
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Metastasis of breast carcinoma to the orbit is an uncommon entity and carries a poor prognosis. This case report presents false-positive technetium-99m methylene diphosphonate activity in the right orbit of a patient with a history of a primary breast neoplasm. Orbital computed tomography imaging was obtained to further characterize the radiotracer uptake identified on the bone scan and demonstrated diffuse right globe intraocular calcifications secondary to degenerative intraocular changes. A brief literature review of orbital metastasis from breast carcinoma and causes of intraocular calcification in the context of chronic vision loss are provided.

Keywords

Bone scintigraphy - breast carcinoma - orbital metastasis


Publication History

Received: 00 00 2018

Accepted: 00 00 2018

Article published online:
17 May 2022

© 2018. Sociedade Brasileira de Neurocirurgia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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