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Related Experiment Videos

[Computer tomography following hypophysectomy].

H Vogel, C Eggert

    Rontgen-Blatter; Zeitschrift Fur Rontgen-Technik Und Medizinisch-Wissenschaftliche Photographie
    |November 1, 1985
    PubMed
    Summary
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    [Patient education].

    Die Rehabilitation·2005

    Post-surgical computerized tomograms reveal common complications after pituitary tumor removal, including bone defects and air in the sinuses. These findings are often unrelated to cerebrospinal fluid fistulas in the early postoperative period.

    Area of Science:

    • Neurosurgery
    • Radiology
    • Endocrinology

    Background:

    • Sellar region tumors require surgical intervention, often involving pituitary gland removal (pituitectomy).
    • Postoperative imaging is crucial for assessing surgical outcomes and potential complications.
    • Understanding the radiological findings after different surgical approaches is essential for patient management.

    Purpose of the Study:

    • To analyze computerized tomograms (CTs) of patients following surgery for sellar region tumors.
    • To identify and categorize postoperative findings, distinguishing between surgical approach-related changes and primary disease effects.
    • To clarify the significance of postoperative air within the cranial cavity, particularly concerning cerebrospinal fluid fistulas.

    Main Methods:

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  • Retrospective analysis of computerized tomograms from 17 patients who underwent surgery for sellar region tumors.
  • Categorization of findings based on surgical approach: transnasal versus transcranial.
  • Correlation of imaging findings with preoperative conditions and postoperative complications.

    • Main Results:

    • Transnasal pituitectomy was associated with bone defects (ethmoid/sphenoid sinuses, sellar floor), tissue damage, and hemorrhage.
    • Transcranial pituitectomy resulted in trepanation site damage (frontoparietal) and intracranial air, including empty sella.
    • Preexisting conditions included sellar expansion, midline structure displacement, bone erosion, and pituitary tumors.
    • Postoperative intracranial air was frequently observed and, for the initial two weeks, not indicative of a liquor fistula.

    Conclusions:

    • Computerized tomograms effectively visualize postoperative changes following sellar region tumor surgery.
    • Distinct radiological patterns emerge depending on the surgical approach (transnasal vs. transcranial).
    • Postoperative intracranial air is a common finding and should not be immediately interpreted as a cerebrospinal fluid leak.