BOF: 28
A 30-year-old female presents with a history of weakness
and fatigability of the ocular, bulbar and limb muscles. On examination she has
bilateral ptosis and extra-ocular muscle weakness. Reflexes are preserved, there
is no muscle wasting. The Edrophonium test is positive.
In this patient
a)
Thymectomy has no long term benefit
b)
If a thymoma is present the muscle weakness would improve
c)
In non-thymoma patients improvement will be seen in 60 % of patients
d)
The prognosis is worse as the patient is under 40 years of age
e)
Thymectomy should not be performed if the patient has positive receptor
antibodies
