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11th April 2024
A 35-year-old man presents with persistent headaches, fatigue and sexual dysfunction.
A 35-year-old man presents with persistent headaches, fatigue and sexual dysfunction. He also complains of an acute onset of visual loss at the peripheries of his vision. He smokes 15 cigarettes per day and drinks 9 units of alcohol per week. He takes no regular medication. His blood tests are performed and show the following:
| Total testosterone (6 – 27 nmol/L) | 2 |
| Serum LH (1 – 8 IU/L) | 1 |
| Serum FSH (1 – 7 IU/L) | 1 |
| Prolactin (<700 mIU/L) | 952 |
What is the most likely cause of his erectile dysfunction?
Select the SINGLE most appropriate option from the list below. Select ONE option only.
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