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Related Concept Videos

Adrenal Gland Disorders01:27

Adrenal Gland Disorders

Adrenal gland disorders manifest when the production of adrenal hormones deviates from the norm, resulting in either excessive or insufficient concentrations.
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
Cushing Syndrome I: Introduction01:26

Cushing Syndrome I: Introduction

Cushing syndrome refers to the collection of clinical manifestations that arise when tissues are exposed to excessive amounts of cortisol or cortisol-like medications over an extended period. Cortisol, a glucocorticoid produced by the adrenal cortex, regulates metabolism, immune responses, and the body’s adaptation to stress. When its concentration remains chronically elevated, these physiological pathways become dysregulated, resulting in the characteristic features of the syndrome.Exogenous...
Cushing Syndrome II: Pathophysiology01:19

Cushing Syndrome II: Pathophysiology

Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features of the...
Cellular Adaptation III: Hyperplasia01:26

Cellular Adaptation III: Hyperplasia

Hyperplasia is an increase in the number of cells in a tissue or organ due to enhanced cell division. It is an adaptive, controlled response to stimuli such as injury, hormones, or stress, involving mitosis to produce genetically identical cells and support tissue repair and regeneration.Tissue CapacityCertain tissues, including the epidermis, intestinal epithelium, bone marrow, and fibroblasts, have a high potential for hyperplasia. Others, such as bone, cartilage, and smooth muscle, show...
Smooth Endoplasmic Reticulum01:21

Smooth Endoplasmic Reticulum

Smooth endoplasmic reticulum or smooth ER is a sub-organelle with specialized functions in animal cells and plant cells. It is often associated with the tubule morphology of the endoplasmic reticulum.
The ER provides optimal conditions for synthesizing steroid hormones and lipids, such as phospholipids and triglycerides. Traditionally, lipid metabolism was considered to be a smooth ER function. However, there is no direct evidence to prove that rough ER is completely excluded from lipid...
Hormones of the Adrenal Glands01:31

Hormones of the Adrenal Glands

Adrenal hormones play a pivotal role in maintaining the body's electrolyte balance and orchestrating responses to stress, showcasing the intricate functions of the adrenal cortex and medulla.
The adrenal cortex, a powerhouse of hormone synthesis, generates over two dozen corticosteroid hormones. The zona glomerulosa produces mineralocorticoids, exemplified by aldosterone, influencing the electrolyte composition of body fluids. The synthesis of glucocorticoids such as cortisol and corticosterone...

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Related Experiment Video

Updated: May 23, 2026

A Novel Method: Super-selective Adrenal Venous Sampling
06:08

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Published on: September 15, 2017

Congenital adrenal hyperplasia.

Cleo Dessinioti1, Andreas Katsambas

  • 1Department of Dermatology; Andreas Sygros Hospital; University of Athens; Athens, Greece.

Dermato-Endocrinology
|April 24, 2012
PubMed
Summary

Congenital adrenal hyperplasia (CAH) encompasses inherited disorders of cortisol and aldosterone synthesis, often leading to androgen excess. This review focuses on CAH

Area of Science:

  • Endocrinology
  • Genetics
  • Dermatology

Background:

  • Congenital adrenal hyperplasia (CAH) comprises inherited disorders stemming from enzymatic defects in cortisol and/or aldosterone biosynthesis.
  • These defects result in glucocorticoid deficiency, mineralocorticoid deficiency, and androgen excess, with 95% of cases caused by 21-hydroxylase deficiency.
  • CAH presents in classical (severe) and non-classical (milder) forms, impacting the pilosebaceous unit and causing skin issues.

Purpose of the Study:

  • To review the evaluation of patients with suspected CAH.
  • To detail the clinical presentation of CAH forms, emphasizing cutaneous manifestations.
  • To discuss available treatment options for CAH.

Main Methods:

  • Literature review of congenital adrenal hyperplasia.
Keywords:
acnecongenital adrenal hyperplasiahirsutism

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  • Analysis of clinical presentations and diagnostic challenges.
  • Summary of current therapeutic strategies.
  • Main Results:

    • CAH is characterized by hormonal deficiencies and androgen excess.
    • Cutaneous manifestations like acne, alopecia, and hirsutism are common, particularly in non-classical CAH (NCAH).
    • Differential diagnosis between NCAH and polycystic ovary syndrome can be challenging.

    Conclusions:

    • Androgen excess in CAH significantly impacts skin health.
    • Accurate diagnosis and management are crucial for addressing hormonal imbalances and associated symptoms.
    • Further research may improve the differentiation between NCAH and similar conditions.