Cystic, choristomatous mass lesion of orbit resulting from congenital epithelial inclusion
Choristoma = tumor composed of tissue that is histologically normal but located in abnormal site
Dermoid lesions
Epithelial elements plus dermal substructure, including dermal appendages
Epidermoid lesions
Epithelial elements without adnexal structures
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Pupić-Bakrač J et al: Epidermoid and dermoid cysts of the head and neck. J Craniofac Surg. 32(1):e25-7, 2021
Pushker N et al: Orbital and periorbital dermoid/epidermoid cyst: a series of 280 cases and a brief review. Can J Ophthalmol. 55(2):167-71, 2020
Burnham JM et al: Intracranial extension of an orbital epidermoid cyst. Ophthal Plast Reconstr Surg. 32(6):e135-6, 2016
Pahwa S et al: Intraorbital cystic lesions: an imaging spectrum. Curr Probl Diagn Radiol. 44(5):437-48, 2015
Ormond DR et al: Uncommon presentation of an intradiploic orbital epidermoid tumor: case report. Oral Maxillofac Surg. 15(3):165-7, 2011
Yeola M et al: Orbital floor dermoid: an unusual presentation. Indian J Ophthalmol. 57(1):51-2, 2009
Kudo K et al: Orbital dermoid cyst with intratumoral inflammatory hemorrhage: case report. Neurol Med Chir (Tokyo). 48(8):359-62, 2008
Golden RP et al: Percutaneous drainage and ablation of orbital dermoid cysts. J AAPOS. 11(5):438-42, 2007
Yen KG et al: Current trends in the surgical management of orbital dermoid cysts among pediatric ophthalmologists. J Pediatr Ophthalmol Strabismus. 43(6):337-40; quiz 363-4, 2006
Shields JA et al: Orbital cysts of childhood--classification, clinical features, and management. Surv Ophthalmol. 49(3):281-99, 2004
Chawda SJ et al: Computed tomography of orbital dermoids: a 20-year review. Clin Radiol. 54(12):821-5, 1999
Meyer DR et al: Primary temporal fossa dermoid cysts. Characterization and surgical management. Ophthalmology. 106(2):342-9, 1999
Shields JA et al: Orbital dermoid cysts: clinicopathologic correlations, classification, and management. The 1997 Josephine E. Schueler Lecture. Ophthal Plast Reconstr Surg. 13(4):265-76, 1997
Bartlett SP et al: The surgical management of orbitofacial dermoids in the pediatric patient. Plast Reconstr Surg. 91(7):1208-15, 1993
Lane CM et al: Orbital dermoid cyst. Eye. 1 ( Pt 4):504-11, 1987
Nugent RA et al: Orbital dermoids: features on CT. Radiology. 165(2):475-8, 1987
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Synonyms
Congenital, orbital, ectodermal inclusion cyst
Dermoid = epidermal dermoid cyst
Epidermoid = epidermal or epithelial cyst
Definitions
Cystic, choristomatous mass lesion of orbit resulting from congenital epithelial inclusion
Choristoma = tumor composed of tissue that is histologically normal but located in abnormal site
Dermoid lesions
Epithelial elements plus dermal substructure, including dermal appendages
Epidermoid lesions
Epithelial elements without adnexal structures
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Pupić-Bakrač J et al: Epidermoid and dermoid cysts of the head and neck. J Craniofac Surg. 32(1):e25-7, 2021
Pushker N et al: Orbital and periorbital dermoid/epidermoid cyst: a series of 280 cases and a brief review. Can J Ophthalmol. 55(2):167-71, 2020
Burnham JM et al: Intracranial extension of an orbital epidermoid cyst. Ophthal Plast Reconstr Surg. 32(6):e135-6, 2016
Pahwa S et al: Intraorbital cystic lesions: an imaging spectrum. Curr Probl Diagn Radiol. 44(5):437-48, 2015
Ormond DR et al: Uncommon presentation of an intradiploic orbital epidermoid tumor: case report. Oral Maxillofac Surg. 15(3):165-7, 2011
Yeola M et al: Orbital floor dermoid: an unusual presentation. Indian J Ophthalmol. 57(1):51-2, 2009
Kudo K et al: Orbital dermoid cyst with intratumoral inflammatory hemorrhage: case report. Neurol Med Chir (Tokyo). 48(8):359-62, 2008
Golden RP et al: Percutaneous drainage and ablation of orbital dermoid cysts. J AAPOS. 11(5):438-42, 2007
Yen KG et al: Current trends in the surgical management of orbital dermoid cysts among pediatric ophthalmologists. J Pediatr Ophthalmol Strabismus. 43(6):337-40; quiz 363-4, 2006
Shields JA et al: Orbital cysts of childhood--classification, clinical features, and management. Surv Ophthalmol. 49(3):281-99, 2004
Chawda SJ et al: Computed tomography of orbital dermoids: a 20-year review. Clin Radiol. 54(12):821-5, 1999
Meyer DR et al: Primary temporal fossa dermoid cysts. Characterization and surgical management. Ophthalmology. 106(2):342-9, 1999
Shields JA et al: Orbital dermoid cysts: clinicopathologic correlations, classification, and management. The 1997 Josephine E. Schueler Lecture. Ophthal Plast Reconstr Surg. 13(4):265-76, 1997
Bartlett SP et al: The surgical management of orbitofacial dermoids in the pediatric patient. Plast Reconstr Surg. 91(7):1208-15, 1993
Lane CM et al: Orbital dermoid cyst. Eye. 1 ( Pt 4):504-11, 1987
Nugent RA et al: Orbital dermoids: features on CT. Radiology. 165(2):475-8, 1987
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