Congenital Orbital Tumors Flashcards
What are the three disorders of the orbit under congenital orbital tumors:
(DDT)
Dermoid Cyst
Dermolipomas
Teratomas
palpable smooth, painless, oval masses that enlarge slowly
Dermoid Cyst
True or False: Dermoid cyst may be freely mobile and they may be fixed to posterior at the underlying structure
False; Dermoid cyst may be freely mobile and they may be fixed to periosteum at the underlying structure
A solid tumor that is usually located in and beneath conjunctiva over the globe’s lateral surface
Dermolipomas
Dermolipomas may have deep extensions that can extend:
-Levator Aponeurosis
-Extraocular muscles
Treatment/Management of Dermolipomas typically requires “_____”
no treatment
treatment or management of dermolipomas typically requires “no treatment” unless
-the lesion is big
-cosmetically objectionable
rare tumors that arise from all 3 germinal layers
Teratomas
congenital orbital tumor that is usually cystic
teratomas
3 germinal layers
ectoderm, mesoderm, endoderm
A child with an orbital teratomas:
Present with severe ________ ________ at birth
unilateral proptosis
A child with an orbital teratomas:
_______ and ________ _________ may be maldeveloped
Globe and optic nerve
A child with an orbital teratomas:
Proptosis may _______ over the _____ few days or weeks
increase; first
A child with an orbital teratomas:
Compression of the globe can result in _______ _______ and _________ _________
corneal exposure; vision loss
