- Treatments
- Pituitary
Endoscopic Transnasal Transphenoidal Excision of Pituitary Tumour
Why Is This Procedure Performed?
- Remove Pituitary Tumours: Treat tumours that are causing hormonal imbalances, vision problems, or other symptoms.
- Preserve Brain Function: Avoid disrupting the brain while accessing the tumour.
- Relieve Symptoms: Restore normal hormone levels and reduce pressure on nearby structures like the optic nerves.
What Is Endoscopic Transnasal Transsphenoidal Surgery?
Endoscopic transnasal transsphenoidal surgery is a minimally invasive procedure used to remove pituitary tumours through the nasal passages. Using an endoscope, a thin tube with a camera and surgical tools, surgeons can access the tumour through the sphenoid sinus without needing to open the skull.
How Is the Procedure Performed?
Preparation
- The patient is placed under general anaesthesia to ensure they remain unconscious and pain-free.
- Imaging studies, such as MRI or CT scans, are reviewed to plan the surgery and locate the tumour.
Endoscopic Access
- A small endoscope is inserted through the nostril to access the nasal cavity and the sphenoid sinus, located behind the nose.
Surgical Pathway
- The surgeon creates an opening in the sphenoid sinus to reach the sella turcica, the bony structure housing the pituitary gland.
Tumour Removal
- Using specialized tools, the tumour is carefully removed while preserving surrounding brain tissue and critical structures like the optic nerves.
Closure
- The surgical site is repaired, often using a tissue graft or sealant to prevent cerebrospinal fluid (CSF) leaks.
- The endoscope is removed, and no external incisions are needed.
Benefits of This Approach
- Minimally Invasive: No need for external incisions or skull opening.
- Quick Recovery: Faster healing and shorter hospital stay compared to traditional open surgeries.
- Improved Visualization: The endoscope provides a clear and magnified view of the tumour and surrounding areas.
- Preservation of Brain Tissue: Avoids direct manipulation of the brain, reducing the risk of complications.
Risks and Complications
- CSF Leak: Leakage of cerebrospinal fluid from the surgical site, which may require additional treatment.
- Infection: Risk of sinus or brain infections like meningitis.
- Bleeding: Bleeding at the surgical site, though this is usually minimal.
- Hormonal Imbalance: Temporary or permanent changes in hormone levels, requiring replacement therapy.
- Vision Changes: Rarely, surgery may affect the optic nerves, leading to vision problems.
Who Is a Candidate for This Procedure?
- Have pituitary tumours causing significant symptoms, such as headaches, vision changes, or hormonal dysfunction
- Have tumours that can be safely accessed through the nasal passage
- Are in good overall health and able to undergo general anaesthesia
Recovery and Aftercare
- Hospital Stay: Most patients stay in the hospital for 1–3 days for monitoring and initial recovery.
- Recovery Period: Full recovery typically takes a few weeks, with most patients resuming normal activities gradually.
- Follow-Up Care: Regular follow-up appointments and imaging studies ensure the tumour has been completely removed and monitor for recurrence.
- Hormone Therapy: Some patients may require temporary or permanent hormone replacement if the surgery affects pituitary function.
How It Differs from Other Surgical Approaches
- Transnasal Transsphenoidal Approach vs. Craniotomy: This approach avoids opening the skull, resulting in less trauma and quicker recovery.
- Endoscopic vs. Microscopic Transsphenoidal Surgery: The endoscopic technique offers better visualization and access to tumours compared to traditional microscopic methods.
- Non-Surgical Options: Radiation therapy or medication may be used for certain pituitary tumours but are not as effective for larger or symptomatic tumours.
Outcomes & Conclusion
Endoscopic transnasal transsphenoidal surgery is highly effective for removing pituitary tumours, particularly smaller or midline tumours. Most patients experience significant symptom relief, improved hormonal balance, and reduced pressure on surrounding structures. Success rates depend on the tumour’s size, type, and location.
Endoscopic transnasal transsphenoidal surgery is a state-of-the-art, minimally invasive procedure for treating pituitary tumours. By providing direct access to the tumour through the nasal passage, this technique offers excellent outcomes with reduced risks and faster recovery. With proper follow-up care, most patients achieve significant symptom relief and an improved quality of life.
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