Benign Lesions

Question 1

Orbital cavernous hemangioma- what is it?

Answer 1

A collection of small blood vessels surrounded by a fibrous pseudo capsule.

*Large vascular spaces are within the mass, thus the term cavernous.

Question 2

Orbital cavernous hemangioma- etiology

Answer 2

Congenital venous malformation

Question 3

Orbital cavernous hemangioma- demographics

Answer 3

Women > men

Dx between ages 30-50

Question 4

Orbital cavernous hemangioma- unilateral or bilateral

Answer 4

Unilateral

Question 5

Orbital cavernous hemangioma- symptoms

Answer 5

Bulging or displaced eye. Double vision

Question 6

Orbital cavernous hemangioma- signs

Answer 6

Proptosis, globe displacement, restricted EOMs

Question 7

Complications

Answer 7

Compression on the globe and/or ON

Thrombosis

Question 8

Management

Answer 8

Orbital CT or MRI

If symptomatic or complications, refer out for complete surgical excision.

Question 9

What is the most common benign orbital tumor in adits?

Answer 9

Orbital cavernous hemangioma

Question 10

Most common location of Orbital cavernous hemangioma

Answer 10

Within muscle cone of the orbit

Question 11

Growth of Orbital cavernous hemangioma may accelerate during

Answer 11

Pregnancy

Question 12

Orbital Varices

Answer 12

Abnormally enlarged vein that becomes dilated with increased venous pressure- during valsalva maneuvers, bending forward, or holding breath.

Question 13

Orbital Varices etiology

Answer 13

Thought to be congenital venous malformation

Question 14

Orbital Varices demographics

Answer 14

10-20 years

Question 15

Orbital Varices unilateral or bilateral

Answer 15

Unilateral

Question 16

Orbital Varices symptoms

Answer 16

Intermittent bulging eye/displaed eye.

Intermittent double vision.

Question 17

Signs of Orbital Varices

Answer 17

INTERMITTENT proptosis
INTERMITTENT globe displacement
INTERMITTENT restricted EOM

Pt complaining of double vision and proptosis that comes and goes

Question 18

Orbital Varices complications

Answer 18

Compression on the globe or ON
Orbital hemorrhage - rapid and painful proptosis
Thrombosis

Question 19

Orbital Varices management

Answer 19

Orbital CT or MRI

If complications, refer out for surgery

Question 20

If pt has Orbital Varices, they might also have ___ varicies

Answer 20

Eyelid and conj

Question 21

Lacrimal gland pleomorphic adenoma (benign mixed cell tumor)
What is it?

Answer 21

Benign tumor of the lacrimal gland due to proliferation of epithelial cells
Ages 30-40 years old.

Question 22

Symptoms of Lacrimal gland pleomorphic adenoma (benign mixed cell tumor)

Answer 22

Displaced eye, double vision, eyelid swelling and redness.

Question 23

Signs of Lacrimal gland pleomorphic adenoma (benign mixed cell tumor)

Answer 23

Globe displaced inferior and medially
Restricted EOM
Eyelid edema and redness
Palpable lacrimal gland mass

Question 24

Lacrimal gland pleomorphic adenoma (benign mixed cell tumor) complications

Answer 24

Malignant transformation

Question 25

Lacrimal gland pleomorphic adenoma (benign mixed cell tumor) management

Answer 25

Orbital CT or MRI | Refer out for complete surgical excision since it could become malignant

Question 26

progression of Lacrimal gland pleomorphic adenoma (benign mixed cell tumor)

Answer 26

Slow, painless progression over the course of 12 months. | **rapid progression and pain may indicate malignancy.