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Patient ReportsEmpty Sella Syndrome: Symptoms, Causes, Diagnosis and Treatment
Written by Medicover Team and Medically Reviewed by Dr Prashant Manohar Gaikwad , Endocrinologists
Table of Contents
Empty Sella Syndrome (ESS) is a condition in which the pituitary gland becomes flattened or shrinks, causing the sella turcica (the bony cavity that houses the pituitary gland) to appear partially or completely filled with cerebrospinal fluid on imaging studies. It may be primary, occurring without an identifiable cause, or secondary, resulting from pituitary surgery, radiation therapy, trauma, or other pituitary disorders.
While many individuals have no symptoms, others may experience headaches, vision problems, hormonal imbalances, or pituitary dysfunction. Early diagnosis and appropriate evaluation are important to identify hormone deficiencies, manage symptoms, and address any underlying conditions.
What are the Symptoms of Empty Sella Syndrome?
The symptomatology of Empty Sella Syndrome can be varied, ranging from asymptomatic presentations to significant clinical manifestations. Common symptoms include:
- Headaches: Patients often report chronic headaches, which are thought to be due to changes in intracranial pressure.
- Visual Disturbances: Compression of the optic chiasm can lead to visual field defects or decreased visual acuity.
- Hormonal Imbalances: Since the pituitary gland regulates various hormones, ESS can lead to hormonal changes, presenting as fatigue, infertility, sexual dysfunction, or growth abnormalities.
What are the Causes of Empty Sella Syndrome?
Empty sella syndrome occurs when the pituitary gland becomes flattened or shrinks due to increased pressure within the skull, allowing cerebrospinal fluid to fill the sella turcica. It may be primary (due to a defect in the diaphragm sellae) or secondary, resulting from conditions like tumors, surgery, radiation, or injury affecting the pituitary gland.
Primary Empty Sella Syndrome
The exact etiology of Primary Empty Sella Syndrome remains elusive. However, several hypotheses have been proposed:
- Congenital Factors: Some individuals may have a congenital weakness in the diaphragma sellae, a small membrane covering the sella turcica, which allows cerebrospinal fluid (CSF) to leak into the sella and compress the pituitary gland.
- Increased Intracranial Pressure: Conditions that increase intracranial pressure, such as obesity, can exacerbate the herniation of the subarachnoid space into the sella turcica.
Secondary Empty Sella Syndrome
Secondary ESS is often linked to identifiable causes, including:
- Surgical Procedures: Surgeries involving the pituitary gland can alter the anatomical structure of the sella turcica, leading to secondary ESS.
- Radiation Therapy: Radiation used to treat pituitary tumors can damage surrounding tissues, contributing to the development of an empty sella.
- Pituitary Tumors: Tumors may cause the pituitary gland to shrink, leaving an "empty" appearance post-treatment.
When to See a Doctor for Empty Sella Syndrome?
Individuals with persistent headaches, vision changes, unexplained fatigue, menstrual irregularities, or symptoms of hormone imbalance should consult an Endocrinologist or Neurologist for evaluation.
You should see a doctor if you experience:
- Persistent headaches with hormonal symptoms
- Blurred vision or changes in visual fields
- Symptoms of pituitary hormone deficiency, such as fatigue or menstrual changes
Seek immediate medical attention if you:
- Develop sudden vision loss or double vision
- Notice clear fluid leaking from the nose after head injury or pituitary surgery
- Experience severe headache with confusion, fainting, or symptoms of adrenal crisis
These symptoms may indicate serious neurological or hormonal complications requiring urgent medical care.
How is Empty Sella Syndrome Diagnosed?
Empty sella syndrome is diagnosed using imaging tests such as MRI or CT scans, which show a flattened or partially empty pituitary gland. Hormone tests may also be performed to evaluate pituitary function and identify any related imbalances.
Radiological Imaging
Diagnosis is typically confirmed via MRI, which provides detailed images of the pituitary gland and sella turcica. An "empty" appearance of the sella turcica with a flattened pituitary gland is indicative of ESS.
Hormonal Assessment
Hormonal evaluations may be conducted to assess pituitary function. These tests involve measuring levels of hormones such as cortisol, thyroid-stimulating hormone (TSH), and gonadotropins to identify any deficiencies or excesses.
What are the Treatment Options for Empty Sella Syndrome?
Empty sella syndrome is managed based on symptoms and underlying causes. Treatment may include hormone replacement therapy if pituitary function is affected, along with regular monitoring and supportive care to manage associated conditions and maintain overall health.
Monitoring and Observation
For asymptomatic individuals or those with mild symptoms, active monitoring and regular follow-ups may suffice. This approach ensures that any changes in condition or onset of new symptoms are promptly addressed.
Medical Management
Hormonal replacement therapy can be prescribed for patients exhibiting hormonal imbalances. The specific hormones replaced depend on which deficiencies are identified through testing.
Surgical Intervention
Surgery is rarely required but may be considered in cases where ESS is caused by Cerebrospinal fluid (CSF) leaks or results in significant neurological complications. Procedures can aim to repair the diaphragma sellae or address underlying causes such as tumors.
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What is the Recovery Process for Empty Sella Syndrome?
Recovery depends on the underlying cause and whether pituitary hormone function is affected. Many individuals with Primary Empty Sella Syndrome remain symptom-free and require only regular monitoring. Those with hormone deficiencies usually improve with appropriate replacement therapy and ongoing specialist care.
Attending regular endocrinology follow-up appointments, taking hormone replacement medications as prescribed, monitoring vision and hormone levels, maintaining a healthy lifestyle, and promptly reporting new symptoms help support long-term health and prevent complications.
Recovery Includes
- Taking prescribed hormone replacement therapy consistently.
- Attending regular endocrinology and neurology follow-up visits.
- Monitoring pituitary hormone levels periodically.
- Undergoing routine vision assessments when recommended.
- Managing associated medical conditions.
- Seeking prompt medical care for new neurological or hormonal symptoms.
Frequently Asked Questions
1. What are the symptoms of Empty Sella Syndrome?
Symptoms may include headaches, visual disturbances, and hormonal imbalances, often presenting with nonspecific signs that require thorough evaluation to identify underlying causes.
2. What causes Empty Sella Syndrome?
Empty sella syndrome can be caused by structural abnormalities of the sella turcica or previous pituitary gland damage due to trauma, surgery, or radiation therapy.
3. How is Empty Sella Syndrome diagnosed?
Diagnosis typically involves imaging studies such as MRI to evaluate the sella turcica and assess the presence of pituitary tissue.
4. What are the treatment options for Empty Sella Syndrome?
Treatment focuses on managing any hormonal deficiencies, which may involve hormone replacement therapy, and addressing specific symptoms as needed.
5. What is the prognosis for Empty Sella Syndrome?
Prognosis is generally favorable; many individuals remain asymptomatic and require no treatment, while some may need ongoing management for hormonal issues.
