Pituitary Adenomas

Study sheet excerpt

Course Outline

  1. Definition and Epidemiology
  2. Tumorigenesis and Classification
  3. Radiological Classifications
  4. Immunohistochemical and Prognostic Classification
  5. Tumor Syndrome and Apoplexy
  6. Hyperprolactinemia and Prolactinoma
  7. Acromegaly and Somatotroph Adenoma
  8. Other Functional and Deficient States

1. Definition and Epidemiology

Key Concepts & Definitions

  • Pituitary adenoma : a benign tumor arising from the pituitary gland and classified by size and hormonal function

★ Must-know

  • Since 2017, pituitary adenomas have also been called pituitary neuroendocrine tumors (PitNETs) because some can be aggressive and create oncological problems.

  • The prevalence of pituitary adenomas is 78 to 94 per 100,000 inhabitants, and the incidence is 4 per 100,000 inhabitants per year.

Further detail

  • Pituitary adenomas represent 10% of brain tumors, and 15% to 40% are gonadotroph adenomas.

Memory Hook

“Adenoma” sounds benign, whereas PitNETs can be aggressive.

2. Tumorigenesis and Classification

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Quiz preview

1. Which description best defines a pituitary adenoma?

2. Why have pituitary adenomas also been called pituitary neuroendocrine tumors, or PitNETs, since 2017?

3. What are the reported prevalence and annual incidence of pituitary adenomas?

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Flashcards preview

What is a pituitary adenoma?

A benign tumor arising from the pituitary gland.

How are pituitary adenomas classified?

By size and hormonal function.

Since when are pituitary adenomas called PitNETs?

Since 2017.

Why are pituitary adenomas called pituitary neuroendocrine tumors?

Because some can be aggressive and cause oncological problems.

What is the prevalence of pituitary adenomas?

78 to 94 per 100,000 inhabitants.

What is the incidence of pituitary adenomas per year?

4 per 100,000 inhabitants per year.

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What does the study sheet on Pituitary Adenomas cover?

The study sheet covers the essential concepts of Pituitary Adenomas. It is organized by topic to facilitate learning and memorization, with key definitions, explanations and summaries.

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The quiz contains 24 multiple-choice questions with detailed corrections and explanations for each answer. Ideal for testing your knowledge and identifying gaps.

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