Extraocular muscle quantification using mathematical morphology: a semi-automatic method for analyzing muscle enlargement in orbital diseases. |
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| Authors: | André Domingos Araújo Souza Evandro Eduardo Seron Ruiz Antonio Augusto Velasco Cruz |
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| Affiliation: | Medical Image Processing Group, Department of Radiology, University of Pennsylvania, Philadelphia, PA, USA. |
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| Abstract: | Mathematical morphology was used to quantify the dimensions of the human extraocular muscles in computed tomography orbital scans. Coronal images of 28 patients with Graves orbitopathy and 5 controls (218 orbital scans) were analyzed with an algorithm for extraocular muscle segmentation. The results showed that measurements of extraocular muscle area obtained with semi-automatic segmentation are highly correlated with manual tracing and provides a simple method to quantify orbital structures including the extraocular muscles. |
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