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The HKU E-learning Platform in Clinical Medicine
The HKU E-learning Platform in Clinical Medicine
  • Physical Examination Skills
    • General Examination
    • Examination of the Cardiovascular System
    • Examination of the Gastrointestinal System
    • Examination of the Neurological System
    • Examination of the Respiratory System
    • Examination of the Musculoskeletal System
    • Demonstration on putting on a surgical/ N95 mask properly
  • eLearning Materials of Individual Divisions
    • Cardiology
    • Clinical Pharmacology
    • Dermatology
    • Endocrinology
    • Gastroenterology & Hepatology
    • Geriatrics
      • Common Physical Signs in the Geriatric Setting
      • Commonly used Assessments in the Geriatric Setting
    • Haematology
    • Infectious Diseases
    • Nephrology
      • General Nephrology
      • Imaging
      • Peritoneal Dialysis
      • Hemodialysis
    • Neurology
    • Rehabilitation Medicine
      • Modified Ashworth Scale
      • Complex Regional Pain Syndrome
      • Case 1
      • Case 2
    • Respiratory Medicine
    • Rheumatology
      • Common Rheumatological Cases
      • Clinical Signs and Radiographs of Patients with Rheumatological Disorders
  • Credits
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Endocrinology

Non-functioning Pituitary Macroadenoma

December 6th, 2014

Non-functioning Pituitary Macroadenoma

A post-menopausal woman presented with visual blurring. On confrontation testing, she was found to have bitemporal hemianopia. MRI of her pituitary showed a 1.8cm pituitary macroadenoma (i.e. largest dimension >/= 1cm). Her serum prolactin was 890 mIU/L (N: <620 mIU/L), likely due to stalk effect. She also had central hypothyroidism and ACTH deficiency. She underwent a transphenoidal surgery with improvement of her visual field. Histology with immunohistochemistry staining confirmed a non-functioning pituitary adenoma.

Perimetry of left eye showing visual field loss over left temporal region
Pituitary macroadenoma with suprasellar extension and optic chiasmal compression

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