All of the following conditions can give rise to pseudoproptosis, EXCEPT:
Correct Answer: Sinus mucocele
Description: Pseudoproptosis refers to apparent proptosis in the absence of orbital disease. It can be due to high myopia, buphthalmos, or lid retraction. Sinus mucocele usually result in intermittent proptosis. Causes of pulsating proptosis are: Carotid-cavernous fistula Aerial orbital vascular malformation Transmission of cerebral pulsations due to a defect of the superior orbital roof, as in the sphenoid dysplasia of type 1 neurofibromatosis Proptosis that increases on bending the head forward or with Valsalva's maneuver is a sign of venous orbital vascular malformation (orbital varices) or meningocele. Ref: Sullivan J.H. (2011). Chapter 13. Orbit. In P. Riordan-Eva, E.T. Cunningham, Jr. (Eds), Vaughan & Asbury's General Ophthalmology, 18e.
Category:
Ophthalmology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now