Related Experiment Video
Updated: Aug 16, 2026

Scanning Electron Microscopy of Macerated Tissue to Visualize the Extracellular Matrix
Published on: June 14, 2016
[Familial neurofibromatosis and hypertrophic obstructive cardiomyopathy]
1Medicinsk afdeling, Esbjerg Centralsygehus.
Insights
Hypertrophic obstructive cardiomyopathy (HOCM) and neurofibromatosis co-occurred in two brothers, a rare combination. Echocardiography is vital for diagnosing cardiac murmurs, even with normal ECG and chest X-rays.
Area of Science:
- Cardiology
- Genetics
- Oncology
Background:
- Hypertrophic obstructive cardiomyopathy (HOCM) is a genetic heart muscle disease.
- Neurofibromatosis is a genetic disorder causing tumors to grow on nerves.
- The co-occurrence of HOCM and neurofibromatosis is exceptionally rare.
Observation:
- Two brothers presented with hypertrophic obstructive cardiomyopathy.
- One brother also had neurofibromatosis.
- This specific dual diagnosis is seldom reported in medical literature.
Findings:
- The study describes a rare co-occurrence of hypertrophic obstructive cardiomyopathy and neurofibromatosis in siblings.
- It highlights the diagnostic challenge and explores potential coincidental or causal links between these conditions.
- Echocardiography proved crucial for cardiac assessment.
Implications:
- This case underscores the importance of considering genetic predispositions in complex cardiac conditions.
- It emphasizes the utility of echocardiography in identifying cardiac abnormalities, particularly hypertrophic obstructive cardiomyopathy, even when initial screenings like ECG and chest X-rays are unremarkable.
- Further research may elucidate potential shared pathways or genetic interactions between these diseases.
Abstract:
Two brothers both with hypertrophic obstructive cardiomyopathy, one of them also with neurofibromatosis are described. Only a few cases with this combination of diseases have been reported. The possibility of a coincidence or a causal relationship is mentioned. The importance of echocardiography in persons with cardiac murmurs is emphasized even in cases where the electrocardiogram and thoracic x-ray are normal.
Related Concept Videos
Pulmonary Hypertension: Classification and Pathogenesis
There are various classifications for PH, each relating to different underlying causes and also...
Heart Failure II: Pathophysiology
Cardiomyopathy I: Introduction and Classification
Cardiomyopathy II: Dilated Cardiomyopathy
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Cardiomyopathy IV: Restrictive Cardiomyopathy

