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Childhood Craniopharyngioma Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Treatment Options for Newly Diagnosed Childhood Craniopharyngioma

Note: Some citations in the text of this section are followed by a level of evidence. The PDQ Editorial Boards use a formal ranking system to help the reader judge the strength of evidence linked to the reported results of a therapeutic strategy. (Refer to the PDQ summary on Levels of Evidence for more information.)

There is no consensus as to the optimal treatment of newly diagnosed craniopharyngioma. Little data exist to compare the different modalities in terms of recurrence rate or quality of life. For this reason, treatment is individualized.

Recommended Related to Brain Cancer

Stage Information

There is no generally applied staging system for childhood craniopharyngiomas. Patients are classified as having newly diagnosed or recurrent disease.

Read the Stage Information article > >

Radical Surgery

Because these tumors are histologically benign, it may be possible to remove all the visible tumor resulting in long-term disease control.[1][Level of evidence: 3iA]; [2][Level of evidence: 3iiiB]; [3][Level of evidence: 3iiiC] A 5-year progression-free survival (PFS) rate of about 65% has been reported.[4] Many surgical approaches have been described, and the route should be determined by the size, location, and extension of the tumor. A transsphenoidal approach may be possible in some small tumors located entirely within the sella,[5][Level of evidence: 3iiiC] but this is not usually possible in children, in which case a craniotomy is usually required.

Gross total resection is technically challenging because the tumor is surrounded by vital structures, including the optic nerves and chiasm, the carotid artery and its branches, the hypothalamus, and the third cranial nerve. The tumor may be adherent to these structures, which may cause complications, and may limit the ability to remove the entire tumor. The surgeon often has limited visibility in the region of the hypothalamus and in the sella, and portions of the mass may be left in these areas, accounting for some recurrences. Almost all craniopharyngiomas have an attachment to the pituitary stalk, and of the patients who undergo radical surgery, virtually all will require life-long pituitary hormone replacement with multiple medications.[2,6]

Complications of radical surgery include the need for hormone replacement, obesity (which can be life threatening),[7] severe behavioral problems, blindness, seizures, spinal fluid leak, false aneurysms, and difficulty with eye movements. Rare complications include death from intraoperative hemorrhage, hypothalamic damage, or stroke.

If the surgeon feels that tumor remains, or if postoperative imaging reveals residual craniopharyngioma that was not resected, radiation therapy may be recommended to prevent early progression.[8][Level of evidence: 3iiiDiii] Periodic surveillance magnetic resonance imaging is performed for several years after radical surgery because of the possibility of tumor recurrence.

Surgery with Cyst Drainage

For large cystic craniopharyngiomas, particularly in children younger than 3 years and in those with recurrent cystic tumor after initial surgery, stereotactic or open implantation of an intracystic catheter with a subcutaneous reservoir may be a valuable alternative treatment option. The benefits of this procedure include temporary relief of fluid pressure by serial drainage, and in some cases, for intracystic instillation of sclerosing agents as a means to prolong the interval to or obviate the need for radiation. This procedure may also be helpful in allowing the surgeon to perform a two-staged approach, whereby first the cyst is drained by the implanted catheter to relieve pressure and complicating symptoms, followed by tumor resection.[9]

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WebMD Public Information from the National Cancer Institute

Last Updated: February 25, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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