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[Pseudo-Cushing states].

Daniella J P C Romanholi1, Luiz Roberto Salgado

  • 1Unidade de Neuroendocrinologia da Disciplina de Endocrinologia, Hospital das Clínicas, Universidade de São Paulo, São Paulo, SP.

Arquivos Brasileiros De Endocrinologia E Metabologia
|January 23, 2008
PubMed
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Pseudo-Cushing syndromes mimic Cushing syndrome but stem from conditions like alcoholism or depression. Differentiating them is crucial to avoid misdiagnosis and harmful treatments.

Area of Science:

  • Endocrinology
  • Internal Medicine

Context:

  • Pseudo-Cushing syndromes encompass diverse conditions (alcoholism, anorexia nervosa, visceral obesity, depression) presenting with clinical and biochemical similarities to Cushing syndrome.
  • The underlying mechanisms of pseudo-Cushing syndromes remain incompletely understood, with theories suggesting increased hypothalamic corticotropin-releasing hormone (CRH) secretion.
  • The hypothalamic-pituitary-adrenal axis is presumed to be otherwise normally constituted in pseudo-Cushing syndromes.

Purpose:

  • To review the primary pathophysiological events contributing to pseudo-Cushing syndromes.
  • To outline a diagnostic strategy for differentiating pseudo-Cushing syndromes from true Cushing syndrome.

Summary:

  • Pseudo-Cushing syndromes share overlapping features with Cushing syndrome, complicating differential diagnosis.

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  • Accurate differentiation is essential to prevent unnecessary and potentially iatrogenic treatment.
  • This review synthesizes current understanding of pseudo-Cushing syndrome pathophysiology and diagnostic approaches.

    • Impact:

    • Improved diagnostic accuracy for patients presenting with features suggestive of hypercortisolism.
    • Reduction in misdiagnosis and subsequent inappropriate medical interventions.
    • Enhanced clinical management strategies for patients with pseudo-Cushing syndromes.