- 1525 Park Place, Green Bay, Wisconsin,54304 920-965-1234
- 2700 Enterprise Avenue, Suite A, Appleton, Wisconsin,54913 920-380-9890
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- Reconstructive
- Anophthalmos
- Blepharoplasty
- Blepharospasm
- Brow Lift
- Congenital
- Dry Eye
- Eyelid Laxity
- Infections
- Inflammation
- Lacrimal System
- Lagophthalmos
- Orbital Tumors
- Cosmetic
- Forms
- Locations
Orbital Tumors - Herniated Orbital Fat
General
- Prolapse of subconjunctival intraconal orbital fat
- First described in pathology literature in 2007 (Am J Surg Pathol 2007;31:193)
Clinical features
- Rarely causes an intraorbital mass lesion
- Mean age 66 years, 90% men
- Prolapse is usually into superotemporal quadrant or lateral canthus
- Usually due to orbital fat herniation through a dehiscence in Tenon's capsule
- Manifests as unilateral or bilateral yellowish mass
- Does not recur
Differential diagnosis
- Pleomorphic lipoma: different clinical presentation; aggregates of bland spindle cells, floret cells and wiry collagen
- Well differentiated liposarcoma: different clinical presentation; enlarged hyperchromatic cells within fibrous septae