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Question 1

Primary orbital tumors - Symptoms

Answer 1

Exophtalmus, otherwise no symptoms. Diplopia and loss of red- green and total vision is late. NB: secondary tumors of orbit present with same signs and symptoms.

Question 2

Primary orbital tumors - Types

Answer 2

1. Glioma - very common in US, not Europa
2. Hemangioma covernosum - most common in adult. Round and encapsulated on CT
3. Melanoma
4. Osteoma
5. Top 3 pediatrics: dermoid cysts, capillary hemangioma and rhabdomyosarcoma
   Top 3 adult: lymphoid tumors, cavernous hemangiomas and meningiomas

Question 3

Primary orbital tumors - Treatment

Answer 3

Lateral orbitotomy, extended canthotomy, also possible to enter via nasal way.

Question 4

Graves’ exophtalmus

Answer 4

Due to hypertrophy of muscles in orbit.

Question 5

Lacrimal gland malignancies - origin

Answer 5

Most are epithelial in origin.

Question 6

Lacrimal gland malignancies - malignant/benign

Answer 6

50/50 benign and malignant. Most common malignant is adenoid cystic carcinoma. Peak incidence is 30s and teenage years.

Question 7

Lacrimal gland malignancies - symptoms

Answer 7

asymptomatic with slight fullness of temporal upper lid to frank proptosis, diplopia and encroaching mass lesion

Question 8

Lacrimal gland malignancies - Differential diagnosis

Answer 8

Inflammatory prossess, dry eye syndrome, adult ptosis

Question 9

Lacrimal gland malignancies - Treatment

Answer 9

Radiation and/or radical excision

Question 10

Lacrimal gland malignancies - Survival rate

Answer 10

15 year survival = 75%