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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
- Cystic, choristomatous mass lesion of orbit resulting from congenital epithelial inclusion
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
- Lee BG et al: Intradiploic epidermoid cyst of the orbital roof: a case report. Orbit. 1-3, 2018
- Purohit BS et al: Orbital tumours and tumour-like lesions: exploring the armamentarium of multiparametric imaging. Insights Imaging. 7(1):43-68, 2016
- Burnham JM et al: Intracranial extension of an orbital epidermoid cyst. Ophthal Plast Reconstr Surg., 2014
- Fanous AA et al: Analysis of the growth pattern of a dermoid cyst. J Neurosurg Pediatr. 14(6):621-5, 2014
- Ormond DR et al: Uncommon presentation of an intradiploic orbital epidermoid tumor: case report. Oral Maxillofac Surg. 15(3):165-7, 2011
- Lope LA et al: Magnetic resonance imaging in the analysis of pediatric orbital tumors: utility of diffusion-weighted imaging. J AAPOS. 14(3):257-62, 2010
- 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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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
- Cystic, choristomatous mass lesion of orbit resulting from congenital epithelial inclusion
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
- Lee BG et al: Intradiploic epidermoid cyst of the orbital roof: a case report. Orbit. 1-3, 2018
- Purohit BS et al: Orbital tumours and tumour-like lesions: exploring the armamentarium of multiparametric imaging. Insights Imaging. 7(1):43-68, 2016
- Burnham JM et al: Intracranial extension of an orbital epidermoid cyst. Ophthal Plast Reconstr Surg., 2014
- Fanous AA et al: Analysis of the growth pattern of a dermoid cyst. J Neurosurg Pediatr. 14(6):621-5, 2014
- Ormond DR et al: Uncommon presentation of an intradiploic orbital epidermoid tumor: case report. Oral Maxillofac Surg. 15(3):165-7, 2011
- Lope LA et al: Magnetic resonance imaging in the analysis of pediatric orbital tumors: utility of diffusion-weighted imaging. J AAPOS. 14(3):257-62, 2010
- 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
