Pituitary Adenoma

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Pituitary Adenoma

• primary tumours almost always benign
• may produce any hormine or be inactive
• local effects include
  • pressure on optic chiasm
  • pressure on adjacent pituitary cells

Types

• chromophobe
  • possibly inactive
  • may be Prolactin secreting
    • leads to infertility
• eosinophil
  • secrete Growth Hormone
  • leads to gigantism / Acromegaly
• basophil
  • ACTH→Cushing's Syndrome
• microadenoma
  • <10mm
  • produces no mechanical defects
  • often produce Prolactin

   

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