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Related Experiment Videos

Heterogeneity in Cushing's disease.

R J Croughs1, A Rijnberk, H P Koppeschaar

  • 1Department of Endocrinology, University Hospital Utrecht.

The Netherlands Journal of Medicine
|April 1, 1990
PubMed
Summary

Heterogeneity in Cushing's disease treatment response may stem from variations within normal pituitary cells, not distinct disease origins. Further research is needed to fully understand the causes of Cushing's disease.

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Area of Science:

  • Endocrinology
  • Neuroendocrinology
  • Veterinary Medicine

Background:

  • Cushing's disease presents varied responses to neuropharmacological treatments.
  • This heterogeneity has been linked to potential differences in the origin of the disease, specifically the neurointermediate lobe versus the anterior pituitary.

Purpose of the Study:

  • To review recent findings in human and canine Cushing's disease.
  • To evaluate the proposed distinction between anterior pituitary and neurointermediate lobe origins.
  • To propose an alternative explanation for the observed heterogeneity.

Main Methods:

  • Review of existing literature and recent observations.
  • Comparative analysis of human and canine Cushing's disease cases.
  • Synthesis of data to form a new hypothesis.

Main Results:

  • Recent observations in both human and canine Cushing's disease challenge the neurointermediate lobe versus anterior pituitary origin theory.
  • Evidence suggests that the heterogeneity in disease presentation might be linked to variations within the normal anterior pituitary corticotroph cells themselves.

Conclusions:

  • The distinction between neurointermediate lobe and anterior pituitary origins for Cushing's disease is not supported by current evidence.
  • Heterogeneity in Cushing's disease is likely due to variations in the normal anterior pituitary corticotroph.
  • Fundamental questions regarding the pathogenesis of Cushing's disease remain unresolved.

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