title: Ectopic (choristomatous) orbital respiratory cyst: histopathology and immunohistochemistry.
abstract: A 24-year-old woman underwent excision of a slowly growing mass located in the right superomedial orbit that had histopathologic and immunohistochemical findings consistent with a choristomatous respiratory cyst. This rare condition may either arise primarily from embryologic respiratory epithelium rests in the orbit or develop secondarily as the result of trauma or chronic sinus disease complicated by mucocele formation.
authors.affiliation: Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts, USA; Harvard Medical School, Boston, Massachusetts, USA.
authors.forename: Aristomenis
authors.initials: A
authors.lastname: Thanos
authors.affiliation: Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts, USA; Harvard Medical School, Boston, Massachusetts, USA; David G. Cogan Laboratory of Ophthalmic Pathology, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts, USA. Electronic address: Fred_Jakobiec@meei.harvard.edu.
authors.forename: Frederick A
authors.initials: FA
authors.lastname: Jakobiec
authors.affiliation: Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts, USA; Harvard Medical School, Boston, Massachusetts, USA; David G. Cogan Laboratory of Ophthalmic Pathology, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts, USA.
authors.forename: Pia R
authors.initials: PR
authors.lastname: Mendoza
authors.affiliation: Harvard Medical School, Boston, Massachusetts, USA; Ophthalmic Consultants of Boston, Boston, Massachusetts, USA.
authors.forename: Mark P
authors.initials: MP
authors.lastname: Hatton
mesh_terms: D015415:Biomarkers / Q000378:metabolism; D002828:Choristoma / Q000000981:diagnostic imaging / Q000378:metabolism / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D007124:Immunoenzyme Techniques; D053537:Keratin-17 / Q000378:metabolism; D053538:Keratin-18 / Q000378:metabolism; D009078:Mucocele; D009916:Orbital Diseases / Q000000981:diagnostic imaging / Q000378:metabolism / Q000473:pathology* / Q000601:surgery; D020545:Respiratory Mucosa; D014057:Tomography, X-Ray Computed; D055815:Young Adult
chemical_list: D015415:Biomarkers; D053537:Keratin-17; D053538:Keratin-18
keywords: choristoma; cilia; immunohistochemistry; orbit; respiratory cyst