Prolactinoma surgery: Difference between revisions

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Latest revision as of 23:50, 29 July 2020

Prolactinoma Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Prolactinoma from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

ECG

X-ray

Ultrasound

CT

MRI

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Prolactinoma surgery On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

Images

American Roentgen Ray Society Images of Prolactinoma surgery

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Prolactinoma surgery

CDC on Prolactinoma surgery

Prolactinoma surgery in the news

Blogs on Prolactinoma surgery

Directions to Hospitals Treating Prolactinoma

Risk calculators and risk factors for Prolactinoma surgery

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Faizan Sheraz, M.D. [2], Anmol Pitliya, M.B.B.S. M.D.[3]

Overview

Surgery is not the first-line treatment option for patients with prolactinoma. Surgery is usually reserved for patients in whom medical therapy fails to reduce the size of the tumor.

Surgery

Indications

Medical therapy should be continued even if it is partially successful, possibly combined with surgery or radiation. Surgery is indicated in patients if medical therapy:[1][2][3]

Transsphenoidal resection

Transsphenoidal approach to pituitary tumor - Source: Wikimedia.org
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Endoscopic transsphenoidal surgery[4]

  • In this method, the pituitary tumor is excised through nostrils by means of a tiny fiber-optic endoscopic tube.
  • First, bilateral nasal septal mucosa is incised in a C-shaped manner. The septal bone is approached through this incision.
  • Then, sphenoidal rostrum and anterior wall of sphenoid sinus are gradually removed, a bone window is opened through the skull space.
  • After that, the dura mater is passed and the lesion becomes visible.
  • Finally, the tumor is removed using curette and basket with suction.
  • Advantages:
    • No harm to other parts of the brain
    • High cure rate
    • No visible scar
  • Disadvantages:

Craniotomy[5]

  • Although the preferred procedure to excise the pituitary tumors is a trans-sphenoidal approach, but in some cases (1-4%) the size of the tumor or any suprasellar adhesion may require trans-cranial method.
  • Situations requiring transcranial method include:
  • Skull base surgical procedure is also the option for pituitary tumor treatment but may encounter the problems that transsphenoidal method is faced with.
  • Advantages:
    • Resection of large tumors
    • Ability to excise the tumors with suprasellar specific conditions
  • Disadvantages:
    • Long duration of post-operation recovery
    • Damage to other parts of the brain

References

  1. "Prolactinoma | NIDDK".
  2. Colao A, Savastano S (2011). "Medical treatment of prolactinomas". Nat Rev Endocrinol. 7 (5): 267–78. doi:10.1038/nrendo.2011.37. PMID 21423245.
  3. Nomikos P, Buchfelder M, Fahlbusch R (2001). "Current management of prolactinomas". J Neurooncol. 54 (2): 139–50. PMID 11761431.
  4. Fan YP, Lv MH, Feng SY, Fan X, Hong HY, Wen WP; et al. (2014). "Full Endoscopic Transsphenoidal Surgery for Pituitary Adenoma-emphasized on Surgical Skill of Otolaryngologist". Indian J Otolaryngol Head Neck Surg. 66 (Suppl 1): 334–40. doi:10.1007/s12070-011-0317-4. PMC 3918297. PMID 24533411.
  5. Youssef AS, Agazzi S, van Loveren HR (2005). "Transcranial surgery for pituitary adenomas". Neurosurgery. 57 (1 Suppl): 168–75, discussion 168–75. PMID 15987585.


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