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Craniocaudal Extension as an Indication of Surgical Outcome in Transsphenoidal Surgery for Pituitary Adenomas

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Abstract

Transsphenoidal approach is considered the treatment of choice for pituitary adenoma removal. Suprasellar extension is regarded a drawback for complete removal of these tumors through this approach. Evaluate the correlation between the preoperative radiologic craniocaudal extension on MRI of pituitary adenomas and the extent of tumor removal. A retrospective study. Tertiary care hospital. 560 patients underwent transsphenoidal removal of pituitary adenomas. The degree of removal of pituitary tumor in the follow-up imaging of the patients was correlated with the preoperative extension in mid-Coronal T1 W Gd. Tumors with suprasellar extension can be classified into: Type I tumors with extension confined to the sellar boundaries, resulted in complete removal in all cases (100%), type II tumors with suprasellar extension reaching the floor of the 3rd ventricle, resulted in complete removal in 70.2% of the cases, type III tumors with suprasellar extension above the 3rd ventricle, had only 13.5% of complete removal. Integration of radiologic findings into a scheme for the preoperative determination of possibility of total removal of the tumor through transsphenoidal approach, can give better correlation to the surgical outcome of pituitary tumors.

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Abbreviations

WHO:

World Health Organization

H–W:

Hardy–Wilson classification

TSA:

Transsphenoidal adenomectomy

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Correspondence to Lobna El Fiky.

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Hamid, O., El Hakim, A., El Husseiny, H. et al. Craniocaudal Extension as an Indication of Surgical Outcome in Transsphenoidal Surgery for Pituitary Adenomas. Indian J Otolaryngol Head Neck Surg 65 (Suppl 2), 231–235 (2013). https://doi.org/10.1007/s12070-011-0350-3

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