Def
Nonspecific non infective space occupying orbital infiltration w inflammatory featured
Unilateral in kids bilateral in adults
Clinical
Onset of pain, swelling and edema
Chemosis lid edema proptosis restrictive myopathy
Nerve dysfunction disk swelling
Investigation
CBC ESR
ultrasonography
CT MRI
Steroids
Radiotherapy
Cytotoxic drugs
Dermoid cyst
Benign cystic teratoma Normal tissue Abnormal location Embryonic epidermis displaces into subcutaneous tissue Common orbital tumor
Parts
Wall Stratified squamous epithelium Dermal appendages Lumen Hair oil keratin
Types
Sup ant to orbital septum
Deep post to it