--- title: "Pseudoduplication of the optic disk. | Sutter Health" description: "True optic nerve duplication is a rare entity that can be mimicked by other etiologies, including choroidal colobomas and postinflammatory lesions, requiring careful examination by clinicians." url: "https://www.sutterhealth.org/research/publications/pseudoduplication-optic-disk-1055312975" --- 1. [Home](https://www.sutterhealth.org/) / 2. [Research](https://www.sutterhealth.org/research) / 3. [Research publications](https://www.sutterhealth.org/research/publications) / 4. Pseudoduplication of the optic disk. # Pseudoduplication of the optic disk. Sun Y, Ng JK, & Gaynon MW. _Retin Cases Brief Rep. 5(2):144-5. doi: 10.1097/ICB.0b013e3181cc2135._ 2011-04-01 ## Abstract PURPOSE: The purpose of this study was to report a case of a chorioretinal coloboma mimicking a second optic disk in an asymptomatic 12-year-old boy. METHODS: This is a case report. RESULTS: An asymptomatic 12-year-old boy presented with a chorioretinal coloboma of the right eye giving the impression of a second optic disk. The patient also had a superior visual field defect. CONCLUSION: True optic nerve duplication is a rare entity that can be mimicked by other etiologies, including choroidal colobomas and postinflammatory lesions, requiring careful examination by clinicians. [PubMed abstract](http://www.ncbi.nlm.nih.gov/pubmed/25389885) ## Research topics - [Child and Adolescent Health](https://www.sutterhealth.org/research-search-results?query=%22%5C%22Child+and+Adolescent+Health%5C%22%22) - [Infectious Disease](https://www.sutterhealth.org/research-search-results?query=%22%5C%22Infectious+Disease%5C%22%22) - [Neurological Disorders](https://www.sutterhealth.org/research-search-results?query=%22%5C%22Neurological+Disorders%5C%22%22) ## Related publications [View all publications](https://www.sutterhealth.org/research-search-results?verticalKey=research_publication) - Publication ### [Free latissimus dorsi flap used in treatment of cerebral aspergillosis: a case report and review of the literature.](https://www.sutterhealth.org/research/publications/latissimus-dorsi-flap-tx-cerebral-aspergillosis-1055312924) Antony AK, Hong RW, Amieva M, Taekman MS, Huhn SL, Karanas YL. 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Epub 2008 Sep 16. 2008 Sep 16 [View all publications](https://www.sutterhealth.org/research-search-results?verticalKey=research_publication) ```json {"@context":"https://schema.org","@type":"MedicalOrganization","name":"Sutter Health","@id":"https://www.sutterhealth.org/#medicalorganization","url":"https://www.sutterhealth.org","logo":"https://www.sutterhealth.org/static/images/sutter-health-logo.svg","address":{"@type":"PostalAddress","streetAddress":"2200 River Plaza Drive","addressLocality":"Sacramento","addressRegion":"CA","postalCode":"95833","addressCountry":"US"},"areaServed":{"@type":"AdministrativeArea","name":"California"},"sameAs":["https://www.facebook.com/SutterHealth","https://www.instagram.com/sutterhealth/","https://x.com/SutterHealth","https://www.youtube.com/sutterhealth","https://www.linkedin.com/company/sutter-health","https://en.wikipedia.org/wiki/Sutter_Health"]} ``` ```json {"@context":"https://schema.org","@type":"BreadcrumbList","@id":"https://www.sutterhealth.org/research/publications/pseudoduplication-optic-disk-1055312975#breadcrumblist","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://www.sutterhealth.org/"},{"@type":"ListItem","position":2,"name":"Research","item":"https://www.sutterhealth.org/research"},{"@type":"ListItem","position":3,"name":"Research publications","item":"https://www.sutterhealth.org/research/publications"},{"@type":"ListItem","position":4,"name":"Pseudoduplication of the optic disk."}]} ``` ```json {"@context":"https://schema.org","@type":"MedicalScholarlyArticle","@id":"https://www.sutterhealth.org/research/publications/pseudoduplication-optic-disk-1055312975#medicalscholarlyarticle","name":"Pseudoduplication of the optic disk.","headline":"Pseudoduplication of the optic disk.","abstract":"PURPOSE: The purpose of this study was to report a case of a chorioretinal coloboma mimicking a second optic disk in an asymptomatic 12-year-old boy. METHODS: This is a case report. RESULTS: An asymptomatic 12-year-old boy presented with a chorioretinal coloboma of the right eye giving the impression of a second optic disk. The patient also had a superior visual field defect. 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