2016
DOI: 10.17554/j.issn.2313-3406.2016.03.29
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The Added Value Of SPECT/CT In Dacryoscintigraphy for the Diagnosis of Nasolacrimal Duct Obstruction: Differentiation Between Obstruction Localization And Radiation Contamination

Abstract: Epiphora, an abnormal overflow of tears, is commonly caused by tear drainage system anomalies including nasolacrimal duct obstruction. To evaluate the function of the system, dacryoscintigraphy is a commonly available non-invasive method under a nuclear medicine dynamic acquisition. We recommend the use of SPECT/CT after the dynamic acquisition to localize the obstruction site and to differentiate that tear overflow is not due to radiation contamination as sometimes encountered in dacryoscintigraphy. A case is… Show more

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