Shared Flashcard Set

Details

The Orbit
Orbit
36
Pathology
Undergraduate 2
08/21/2011

Additional Pathology Flashcards

 


 

Cards

Term
Capacity of the orbit
Definition
27cc
Term
embriologic origen of the orbit
Definition
Ectodermal and mesodermal
Term
Form of the orbit
Definition
Piramidal
Term
Exophthalmos
Definition
Abnormal protrusion of the eyeball
Term
Proptosis
Definition
Displacement of an organ or part
Term
Pseudoproptosis
Definition
Due to an enlargement of the eyeball or some part of the globe
Term
Enophthalmos
Definition
Abnormal recession of the eyeball in the orbit
Term
Diplopia
Definition
The perception of two images of a single object. Can be monocular or binocular
Term
Arteriovenous fistula
Definition
carotid cavernous fistula
Term
Cavernous fistula thrombosis
Definition
signs of orbital cellulitis
Term
Cranial Nerve Palsy
Definition
mild proptosis with limitation of the eye movements.
Term
Enlarged globe
Definition
Consitiutional, myopia
Term
Enophthalmos
Definition
in fellow eye
Term
What is a CT used for?
Definition
computed tomography is good for soft tissues and cavities
Term
what is an x-ray used for?
Definition
good to check for bone lesions
Term
What is an MRI used for
Definition
magnetic resonance imaging. Good for details or exactly place of lesion in soft tissue
Term
What is an ultrasound good for?
Definition
Used to obtain accurate measurements within the eye like planning refractive surgery or calculating the intra ocular lens power.
Term
What is an angiography used for?
Definition
To demonstrate vessel lesions
Term
Exophthalmometry
Definition
good for measuring the degree of proptosis
Term
What is a aspiration biopsy?
Definition
Used when a tumor is suspected.
Term
Anophthalmos
Definition
primary is missing eye globe only. Seconday is missing eye globe and brain
Term
Anencephaly
Definition
cranial sutures are absent, eye abnormal posterior segment
Term
cyclopia
Definition
a single eye
Term
Synophthalmos
Definition
the fusion of the two eyes
Term
arrhinencephaly
Definition
one side of the nose is underdeveloped
Term
Encephalocele
Definition
brain and meninges herniates through the wall of the orbit--> meningoencephalocele
Term
Craniostenosis
Definition
premature closure of one or more sutures of the skull or from failure in development of the skull bones
Term
Oxycephaly
Definition
tower form of the skull
Term
Acroephalosyndactyly
Definition
Apert's syndrome. Egg shaped head
Term
Platycephaly
Definition
posterior tower skull
Term
scaphocephaly
Definition
very long head with short width
Term
plagiocephaly
Definition
Asymmetric skull
Term
brakycephaly
Definition
short head antero-posterioly
Term
Hemicraneostenosis
Definition
deformity in one side of the skull
Term
hypertelorism
Definition
wide interpupillary distance and extremem exotropia
Term
Craniofacial dystosis
Definition
crouzon's syndrome
Supporting users have an ad free experience!