Silent Pituitary Adenoma

A pituitary tumor that does not secrete clinically active hormones.

Written by: Saygı Hospital Health Guide Editorial Board

Last updated: June 10, 2026

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Endokrinoloji department. Book Appointment →

What is Silent Pituitary Adenoma?

A silent pituitary adenoma is a tumor of the anterior pituitary that produces little or no clinically active hormone.

On immunohistochemistry it stains for a hormone such as ACTH, GH or gonadotropins, but blood levels remain in the normal range.

It is most often noticed because of headaches, visual field defects or as an incidentaloma on brain imaging.

Symptoms

Headache and pressure behind the eyes

Visual field loss, especially of the temporal halves

Symptoms of hypopituitarism such as fatigue and decreased libido

Often no symptoms; detected incidentally on imaging

Risk Factors

Family history of MEN1 syndrome

Other pituitary or genetic predisposing conditions

Adult age of 30 to 60 years

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

Persistent headaches that do not respond to common analgesics
Sudden or progressive visual field defects — urgent
Unexplained chronic fatigue, amenorrhea or sexual dysfunction

Treatment Methods

Pituitary MRI and a complete pituitary hormone panel

Visual field testing by an ophthalmologist

Transsphenoidal surgery for tumors larger than 1 cm or with mass effect

Long-term endocrine and imaging follow-up because of recurrence risk

Hormone replacement therapy when hypopituitarism is present

Which Department to Visit?

You can visit our Endokrinoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Let us help you

You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.