Board Certified Ophthalmologist Oculoplastics and Orbital Disease

Question 1

Which of the following is the most common primary malignant orbital tumor in adults?

Accepted Answer

Lymphoma

Answer

Rhabdomyosarcoma

Answer

Capillary hemangioma

Answer

Optic nerve glioma

Question 2

A child presents with proptosis, erythema, and restricted ocular motility following a sinus infection. CT shows subperiosteal abscess. What is the most appropriate next step?

Accepted Answer

IV antibiotics and surgical drainage

Answer

Oral antibiotics alone

Answer

Topical steroids

Answer

Observation for 48 hours

Question 3

Which muscle is most commonly entrapped in a blowout fracture of the orbital floor?

Accepted Answer

Inferior rectus

Answer

Medial rectus

Answer

Superior oblique

Answer

Inferior oblique

Question 4

What is the hallmark finding on CT that distinguishes thyroid eye disease (Graves' orbitopathy) from orbital lymphoma?

Accepted Answer

Fusiform enlargement of extraocular muscles sparing the tendons

Answer

Irregular soft tissue mass with bone destruction

Answer

Enhancement of the lacrimal gland

Answer

Diffuse orbital fat stranding

Question 5

A patient presents with a painless, slowly progressive unilateral proptosis. MRI shows a well-circumscribed intraconal mass with homogeneous enhancement. What is the most likely diagnosis?

Accepted Answer

Cavernous hemangioma (cavernous venous malformation)

Answer

Orbital varix

Answer

Optic nerve sheath meningioma

Answer

Metastatic lesion

Question 6

Which eyelid position abnormality is characterized by the upper eyelid margin resting at or below the superior pupillary border with normal levator function?

Accepted Answer

Blepharoptosis

Answer

Dermatochalasis

Answer

Blepharospasm

Answer

Lagophthalmos