Midterm 1: Pearls Flashcards
Most common benign orbital tumor in adults
Orbital cavernous hemangioma
Most common location of orbital cavernous hemangioma
Within the muscle cone of the orbit
When can orbital cavernous hemangioma growth accelerate for women?
Pregnancy
What age group are most Orbital venous varix found in?
Ages 10-20
Whats different about the timing of orbital varies?
The symptoms and signs are intermittent.
How does Lacrimal gland Pleomorphic adenoma progress?
Slow, painless progression over 12 months
What cells are found in the Adenoid cystic carcinoma (Type of Lacrimal Gland carcinoma)
Basaloid cells
What cells are found in the pleomorphic adenocarcinoma (Type of Lacrimal Gland carcinoma)
Epithelial cells
How does Lacrimal gland carcinoma progress?
Rapid, painful progression over 3 months
What is the 5 year survival rate of a patient diagnosed with lacrimal gland carcinoma?
47%
Main cause of death for someone who has lacrimal gland carcinoma?
Intracranial extension of the tumor
A patient is diagnosed with orbital lymphoma, what percent is that patient likely to develop systemic lymphoma in next 5 years?
60%
What distinct sign is found with Orbital lymphoma
pink, salmon colored patch of subconjunctival extension
What kind of cells are associated with orbital rhabdomyosarcoma?
primitive mesenchymal stem cells
What age group is typically affected by orbital rhabdomyosarcoma?
70% occur between 8-10 years old
