Objective: This study was designed to evaluate the impact of the extent of thyroid
resection on the degree of hyperthyroidistn-associated OphthahnOpathy.
Patients and Methods: This study included 40 patients with Graves' disease. Patients
were randomly allocated in 2 equal groups according to the surgical procedure assigned:
total thyroidectomy (Group TT) & subtotal thyroidectomy (Group STT). All patients
underwent full Ophthalmic examination to determine the degree Of exOphthalmos using
the modified scale system Of the American Thyroid Association (ATA Scale)
preoperatively and 3-monthly for lyear after surgery. Patients underwent MRI
examination of the orbit preoperatively and 12-inOnths postoperativcly for evaluation of
the surgical outcome.
Results: Postoperative (12-months after surgery) exOphthalmometer examination
revealed improvement of the degree of exophthalmos hi 7 patients, worsening in 2
patients and stationary exophthalmos in 31 patients with a non-significant (p>0;05)
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