Related Experiment Video
Updated: Jan 8, 2026

10:55
Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy
Published on: October 31, 2025
648
Diagnostic challenge: Bethlem myopathy mimicking inflammatory myopathy
Olga Rusinovich-Lovgach1, Luz Morán2, Oscar Toldos-Gonzalez3
1Puerta de Hierro Majadahonda University Hospital, Rheumatology Department, Spain.
Reumatologia Clinica
|December 13, 2025
Summary
Bethlem myopathy, a genetic disorder, can mimic inflammatory myopathies. Integrated diagnostic data is crucial for accurate diagnosis and avoiding incorrect treatments like immunosuppression.
Area of Science:
- Neurology
- Genetics
- Musculoskeletal Disorders
Background:
- Persistent hyperCKemia and MRI findings can suggest inflammatory myopathy.
- Collagen VI-related myopathies are a group of genetic muscle disorders.
- Idiopathic inflammatory myopathies (IIM) are autoimmune conditions affecting muscles.
Related Concept Videos
Myasthenia Gravis: Diagnostic Tests
1.8K
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...
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
1.8K
Myocarditis II: Clinical Features and Diagnostic Tests
236
Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
236

