Related Experiment Video
Updated: Oct 22, 2025

05:05
Technique of Conjunctival Biopsy and Direct Immunofluorescence for Diagnosing Mucous Membrane Pemphigoid
Published on: June 17, 2025
509
Thymectomy in Pemphigus Foliaceus: A Thirty-Year Observation
1Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.
Journal of Medical Cases
|August 26, 2021
Summary
This study shows thymectomy can lead to long-term remission in autoimmune diseases like myasthenia gravis and pemphigus foliaceus, even without thymoma. The surgery demonstrated sustained clinical improvement for over 25 years.
Area of Science:
- Immunology
- Neurology
- Dermatology
Background:
- Myasthenia gravis is a common autoimmune disease treated with thymectomy.
- Pemphigus foliaceus is an autoimmune condition managed medically, with thymectomy reserved for thymoma cases.
- The role of thymectomy in autoimmune disorders without thymoma is less understood.
Observation:
- A young patient presented with both generalized myasthenia gravis and pemphigus foliaceus without thymoma.
- This unique case presented a natural experiment to evaluate thymectomy's impact on autoimmune antibody response.
- The patient underwent total thymectomy surgery.
Findings:
- Postoperative assessment revealed altered immunologic antibody responsiveness.
- The patient experienced over 25 years of clinical remission for both myasthenia gravis and pemphigus foliaceus.
- Total thymectomy was associated with sustained remission in these concurrent autoimmune conditions.
Implications:
- Thymectomy may be a viable therapeutic option for select autoimmune diseases beyond myasthenia gravis.
- Understanding thymectomy's immunomodulatory effects can refine treatment strategies for autoimmune disorders.
- This case highlights the potential of surgical intervention in managing complex autoimmune presentations.
Related Concept Videos
Myasthenia Gravis: Overview and Treatment
2.1K
Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
2.1K
Papillary Dermis
4.3K
Dermis
The dermis might be considered the "core" of the integumentary system, as distinct from the epidermis and hypodermis. It contains blood and lymph vessels, nerves, and other structures, such as hair follicles and sweat glands. The dermis is made of two layers of connective tissue that comprise an interconnected mesh of elastin and collagenous fibers, produced by fibroblasts.
Papillary Layer
The papillary layer is made of loose, areolar connective tissue, which means the collagen...
The dermis might be considered the "core" of the integumentary system, as distinct from the epidermis and hypodermis. It contains blood and lymph vessels, nerves, and other structures, such as hair follicles and sweat glands. The dermis is made of two layers of connective tissue that comprise an interconnected mesh of elastin and collagenous fibers, produced by fibroblasts.
Papillary Layer
The papillary layer is made of loose, areolar connective tissue, which means the collagen...
4.3K

