Sunday, September 10, 2017

Enucleation, Evisceration & Exenteration

In this post, we will look at the definition, indications and some few details regarding these 3 ophthalmologic surgeries. 
To start with;

ENUCLEATION

Definition; This is an ophthalmologic surgery in which the eyeball is removed leaving the extraocular muscles and other orbital contents.

Indications;

Can be grouped into 2 (absolute & relative):

1. Absolute indications; Eye malignancy like Retinoblastoma and Malignant melanoma.

2. Relative indications;

- Painful blind eye due to absolute glaucoma
- Painful blind eye due to endophthalmitis
- Anterior staphyloma
- Phthisis bulbi
- Mutilating ocular injury

EVISCERATION

Definition; This is an ophthalmologic surgery in which only the contents within the eyeball are removed. Usually through an incision at the limbus.

Indications;

- Bleeding anterior staphyloma
- Panophthalmitis
- Expulsive choroidal hemorrhage


EXENTERATION

Definition; This is a mutilating orbital surgery in which the whole of the contents of the orbit and the structures surrounding the orbit (periorbital structures) are removed. 

Indications;

- It is indicated for malignant tumors arising from the orbital structures or those spreading from the eyeball 

Fact about exenteration; This surgery is associated with a severe disfigurement and it is of paramount importance to counsel the patient before surgery. There are also several cases of patients commiting suicide after looking themselves in the mirror after the surgery, and by this you guys can understand that it is a really disfiguring one

- Mohammad F Omar


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