Causes of Pituitary Gland condtions

Pituitary Gland Tumor

The most common problem with the pituitary gland occurs when a benign tumor ( a 'growth') also called an adenoma, develops, the term benign is used by medical professionals to describe a swelling which is not cancerous.

Pituitary Gland Conditions or Disorders 

Pituitary gland condition can develop for a variety of reasons. In some cases, they are caused by changes within the gland itself, while in others they may result from injury, inflammation, inherited conditions, or abnormalities that affect the surrounding area. Some of the less common causes of pituitary dysfunction include:

Pituitary Infarction

Pituitary infarction occurs when the blood supply to the pituitary gland is reduced or interrupted, causing damage to the gland's tissue. This can lead to hypopituitarism, a condition where the pituitary gland does not produce enough hormones. Pituitary infarction may occur following severe head trauma or other conditions that affect blood flow to the gland.

Sheehan's Syndrome

Sheehan's syndrome is a rare condition that can occur after severe blood loss or very low blood pressure during childbirth. The reduced blood supply can damage the pituitary gland, affecting its ability to produce hormones. Although uncommon today due to advances in maternity care, Sheehan's syndrome remains an important cause of pituitary hormone deficiency.

Craniopharyngioma

A craniopharyngioma is a rare, usually non-cancerous tumour that develops near the pituitary gland. It is thought to arise from tissue present from birth. As it grows, it can put pressure on the pituitary gland and the hypothalamus, affecting normal hormone production and regulation.

Rathke's Cleft Cyst

A Rathke's cleft cyst (RCC) is a fluid-filled cyst that develops from a small remnant of tissue left behind during the formation of the pituitary gland before birth. Many RCCs cause no symptoms, but larger cysts can press on the pituitary gland and surrounding structures, potentially leading to hormone deficiencies, headaches, or vision problems.

Empty Sella Syndrome (ESS)

Empty Sella Syndrome is a condition in which the pituitary gland becomes flattened or compressed within the sella turcica, a bony structure at the base of the skull that normally houses the gland. On MRI scans, the sella may appear partially or completely empty. While some people experience no symptoms, others may develop pituitary hormone deficiencies or related health concerns.

Multiple Endocrine Neoplasia (MEN)

Multiple Endocrine Neoplasia (MEN) refers to a group of rare inherited conditions that can cause tumours or abnormal growths in several endocrine glands, including the pituitary gland. Because MEN is genetic, it can run in families. Early diagnosis and ongoing monitoring are important for managing the condition and its effects.

Lymphocytic Hypophysitis

Lymphocytic hypophysitis is a rare inflammatory condition in which the body's immune system mistakenly attacks the pituitary gland. This inflammation can interfere with normal hormone production and may lead to hypopituitarism. The condition is sometimes associated with pregnancy and the period after childbirth. Although the exact cause is not fully understood, it is now recognised as a more common cause of postpartum pituitary dysfunction than Sheehan's syndrome in many countries.