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[Sellar tumors].

M-A Weber1, S Zoubaa, M Politi

  • 1Abteilung Radiologie, Deutsches Krebsforschungszentrum, Heidelberg. m.a.weber@dkfz.de

Der Radiologe
|April 20, 2007
PubMed
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This review details common sellar and pituitary lesions beyond adenomas. It correlates characteristic MRI findings with pathology for accurate diagnosis of tumors and other sellar region abnormalities.

Area of Science:

  • Neuroradiology
  • Neuro-oncology
  • Endocrinology

Background:

  • The complex sellar and pituitary anatomy necessitates specialized MRI protocols.
  • Differentiating pituitary adenomas from other sellar lesions is clinically significant.

Purpose of the Study:

  • To review frequently encountered intra-, supra-, and parasellar tumors and lesions.
  • To provide a differential diagnosis for sellar region abnormalities.
  • To correlate imaging findings with pathological characteristics.

Main Methods:

  • Review of relevant literature on sellar and pituitary lesions.
  • Summarization of characteristic MRI findings for various pathologies.
  • Correlation of imaging features with histopathology.

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Main Results:

  • Common sellar lesions include pituitary adenoma, craniopharyngioma, meningioma, glioma, germinoma, hamartoma, aneurysm, trigeminal schwannoma, pituitary carcinoma, chordoma, metastasis, infection, and empty sella.
  • Distinct imaging features aid in differentiating these entities.
  • Pathological correlation enhances diagnostic accuracy.

Conclusions:

  • Accurate diagnosis of sellar and pituitary lesions requires a dedicated MRI protocol.
  • A broad differential diagnosis and understanding of imaging-pathology correlation are crucial.
  • This review provides a framework for identifying and characterizing sellar region masses.