11 - Opth - Orbital Disease - Orbital tumours Flashcards
4 types of tumours that can affect the orbit
vascular
lacrimal gland tumours
neural tumours
secondary tumours
2 types of vascular tumours affecting orbit
capillary haemangioma (Strawberry naevus) Cavernous haemangioma
Capillary haemangiomas
- usually where?
- treatment?
- resolution rates?
superior anterior orbit
may resolve spontaneously - treat with steroids otherwise
70% by 7 y
90% by 9 y
Cavernous haemangiomas
- most commonly in who?
- cause what?
- treat?
middle aged females 70%
cause slowly advancing proptosis and may cause choroidal folds
treat with surgical excision
2 types of lacrimal gland tumours affecting the orbits
pleomrphic lacrimal gland adenoma
lacrimal gland carcinoma
Pleomorphic lacrimal gland adenoma
- features?
- in who?
- presents with?
- treatment?
painless very slow growing mass
middle aged adults
presents with proptosis
treat with surgical excision
Lacrimal gland carcinoma
- in who?
- prognosis?
- presentation?
- treatment?
- middle aged adults
- v poor prognosis
- painful and rapid development of proptosis
- treat with radical surgery and radiotherapy
What 4 neural tumours can affect orbit?
optic nerve glioma
optic nerve meningioma
retinoblastoma
neuroblastoma
ON glioma
- common in?
- ass w?
- presentation?
- common in young girls
- often ass w Neurofibromatosis-1
- gradula cision loss and proptosis
ON glioma mgmt?
may not need Tx
surgery if poor vision and cosmesis
radiotherapy if intracranial extension
ON meningioma
who?
presents with?
typically middle aged women
gradual visual loss and proptosis
ON meningioma
mgmt
surgical excision if fast growing and poor vision
radiotherapy if slow growing and good vision
Retinoblastoma - 2 features
may be inherited
childhood tumour of immature retinal cells
Retinoblastoma presentation
stabismus
leukocoria
Retinoblastoma mgmt
chemotherapy, radiotherapy, enucleation (remove eye)
