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Related Experiment Videos

Primary empty sella turcica: a radiological-anatomical correlation.

M R Sage1, P C Blumbergs

  • 1Department of Medical Imaging, Flinders Medical Centre, Bedford Park, Australia.

Australasian Radiology
|September 7, 2000
PubMed
Summary

Primary empty sella turcica is a normal anatomical variant, not a disease. This finding emphasizes its benign nature and distinguishes it from pathological conditions, aiding accurate diagnosis.

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Area of Science:

  • Radiology
  • Neuroanatomy
  • Endocrinology

Background:

  • The empty sella turcica is a rare condition where the pituitary gland shrinks or collapses within the sella turcica.
  • Primary empty sella turcica occurs when the diaphragma sellae has a defect, allowing cerebrospinal fluid to herniate into the sella.
  • It is often asymptomatic and discovered incidentally on neuroimaging.

Purpose of the Study:

  • To illustrate the anatomical basis of primary empty sella turcica.
  • To emphasize that primary empty sella turcica is a normal anatomical variant.
  • To differentiate primary empty sella turcica from pathological conditions.

Main Methods:

  • Review of anatomical structures of the sellar region.
  • Illustration of the diaphragma sellae and its relationship with the pituitary gland.

Related Experiment Videos

  • Comparison of imaging findings in primary empty sella turcica with other sellar pathologies.

    • Main Results:

    • The anatomical defect in the diaphragma sellae is the primary cause of primary empty sella turcica.
    • The pituitary gland is normal in size and function, merely displaced by cerebrospinal fluid.
    • Absence of sellar expansion or mass effect differentiates it from pathological conditions.

    Conclusions:

    • Primary empty sella turcica is a benign anatomical variant.
    • Understanding the anatomical basis is crucial for accurate diagnosis.
    • It does not require treatment and should not be mistaken for pituitary pathology.