Endocrinology Question 35 Instructor

Robert Smith is a 29-year old man who presents with low libido and erectile dysfunction for the past year. On examination, he has decreased male pattern hair growth, and testes are small and soft, penis is normal. Bioavailable tesosterone is undetectable, LH is 25 (high), FSH is 40 (high).

List 6 conditions in your differential.

  • Prior radiation or chemotherapy
  • Testicular torsion (bilateral) or trauma
  • Mumps orchitis
  • Autoimmune
  • Chronic disease
  • Environmental toxins
  • Drugs:
    • Ketozonazole
    • Chronic Glucocorticoid therapy

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