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Graves Disease II: Pathophysiology

Graves Disease II: Pathophysiology

Graves’ disease is an autoimmune disorder characterized by the production of thyroid-stimulating immunoglobulins (TSI) that activate TSH receptors, leading to excessive synthesis and release of thyroid hormones (T3 and T4) and resulting in hyperthyroidism.Among all causes of hyperthyroidism, Graves’ disease is the most common and can happen at any age, though it is more frequent in women. It produces a hypermetabolic state with features such as weight loss, tachycardia, tremor, and heat...

Myasthenia Gravis ll: Pathophysiology

Myasthenia Gravis ll: Pathophysiology

The disease process of myasthenia gravis begins at the neuromuscular junction, where antibodies attack key proteins needed for muscle activation. This immune reaction weakens signal transmission, leading to the characteristic muscle fatigue and weakness that define the condition.Immune-Mediated DamageIn most individuals, antibodies target acetylcholine receptors (AChRs) on the postsynaptic membrane of muscle cells. By blocking acetylcholine binding, these antibodies prevent the nerve signal...

Graves' Disease I: Introduction

Graves' Disease I: Introduction

Graves' disease is an autoimmune disorder that causes hyperthyroidism, or overactivity of the thyroid gland. It results from autoantibodies called thyroid-stimulating immunoglobulins (TSIs), which bind to thyroid-stimulating hormone (TSH) receptors, leading to overstimulation of hormone production and a hypermetabolic state.EtiologyAlthough considered idiopathic, Graves’ disease has well-established contributing factors. There is a strong genetic component, with increased prevalence in...

Chronic Inflammation: Introduction

Chronic Inflammation: Introduction

Chronic inflammation is a prolonged, dysregulated immune response that persists for weeks to years when the inciting stimulus is difficult to eradicate or when self‑antigens drive ongoing reactivity. Morphologically, it is defined by mononuclear cell infiltration, progressive tissue destruction, and concurrent attempts at healing via angiogenesis and fibrosis. Compared with acute inflammation, edema is less prominent while cellular infiltration predominates; triggers include persistent...

Adrenal Gland Disorders

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...

Myasthenia Gravis: Diagnostic Tests

Myasthenia Gravis: Diagnostic Tests

Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...

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Related Experiment Video

Updated: Jun 4, 2026

A Randomized, Sham-Controlled Trial of Cranial Electrical Stimulation for Fibromyalgia Pain and Physical Function, Using Brain Imaging Biomarkers

A Randomized, Sham-Controlled Trial of Cranial Electrical Stimulation for Fibromyalgia Pain and Physical Function, Using Brain Imaging Biomarkers

Published on: January 5, 2024

[Addison's disease imitating fibromyalgia].

Jacek Fliciński¹, Krzysztof Prajs, Hanna Przepiera-Bedzak

¹Klinika Reumatologii i Chorób Wewngtrznych Pomorskiej Akademii Medycznej w Szczecinie ul. Unii Lubelskiej 1, 71-252 Szczecin.

Annales Academiae Medicae Stetinensis

|March 4, 2011

Summary

A patient initially diagnosed with fibromyalgia experienced complete symptom remission after being correctly diagnosed with Addison's disease and treated with adrenal hormone supplementation, highlighting diagnostic challenges in generalized pain syndromes.

Related Experiment Videos

Last Updated: Jun 4, 2026

A Randomized, Sham-Controlled Trial of Cranial Electrical Stimulation for Fibromyalgia Pain and Physical Function, Using Brain Imaging Biomarkers

A Randomized, Sham-Controlled Trial of Cranial Electrical Stimulation for Fibromyalgia Pain and Physical Function, Using Brain Imaging Biomarkers

Published on: January 5, 2024

Area of Science:

Endocrinology
Rheumatology
Internal Medicine

Context:

Generalized pain syndrome (GPS) can present with diverse symptoms.
Fibromyalgia is a common initial diagnosis for widespread pain and fatigue.

Purpose:

To report a case of misdiagnosed Addison's disease presenting as generalized pain.
To emphasize the importance of considering endocrine disorders in unexplained pain syndromes.

Summary:

A 33-year-old female experienced widespread musculoskeletal pain and fatigue, initially diagnosed as fibromyalgia.
Subsequent investigations confirmed Addison's disease, a rare adrenal insufficiency disorder.
Treatment with adrenal hormone replacement therapy resulted in complete resolution of her symptoms.

Impact:

This case highlights potential diagnostic pitfalls in patients with generalized pain.
It underscores the need for comprehensive differential diagnosis, including endocrine evaluation, for chronic pain.
Accurate diagnosis and timely treatment of Addison's disease can significantly improve patient outcomes and quality of life.