QuestionSBA
QuestionChoice
This describes a case of acromegaly, with the presence of carpal tunnel syndrome, soft tissue swelling and visual field defects. Acromegaly can cause bitemporal hemianopia as a result of compression of the optic chiasm by the pituitary tumour.
10035522
a
Bitemporal hemianopia
QuestionChoice
This is usually due to a lesion involving the temporal lobe optic radiations, rather than a pituitary tumour compressing the optic chiasm as in the case of a pituitary tumour in acromegaly.
10035525
d
Superior homonymous hemianopia
QuestionChoice
This is loss of vision in a single eye, usually caused by retinal or optic nerve damage.
10035523
b
Monocular anopia
QuestionChoice
This is due to a lesion of the optic tract or the optic cortex and is normally seen in the case of stroke.
10035524
c
Homonymous hemianopia
QuestionChoice
This is usually due to a lesion involving the parietal lobe optic radiations, rather than a pituitary tumour compressing the optic chiasm as in the case of a pituitary tumour in acromegaly.
10035526
e
Inferior homonymous hemianopia
Concept
Chapter
2693
6136
Acromegaly
Topic
337
Endocrinology
19508
Acromegaly can lead to bitemporal hemianopia due to optic chiasm compression from a pituitary tumour.
A 45-year-old male has noticed tingling in the lateral aspect of his right hand and finds he is having difficulty doing up his shirt buttons with his right hand. He also states he has noticed that his shoes no longer fit and he has had to buy a larger size. On examination, his visual fields are found to be abnormal.

Given the likely diagnosis, what is the most likely visual field defect to be elicited on examination?
a