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Hypothenar hammer syndrome followed by systemic sclerosis
M Lambert1, P Y Hatron, E Hachulla
1Department of Internal Medicine, Hospital Huriez, CHRU, Lille, France.
The Journal of Rheumatology
|October 19, 2000
Summary
This case study details a rare instance of bilateral hypothenar hammer syndrome (HHS) and systemic sclerosis (SSc) linked to silica exposure. The patient developed digital ischemia and later symptoms consistent with SSc.
Area of Science:
- Occupational Medicine
- Rheumatology
- Vascular Surgery
Background:
- Silica exposure is a known risk factor for lung disease.
- Hypothenar hammer syndrome (HHS) is a condition affecting the arteries in the hand.
- Systemic sclerosis (SSc) is a chronic autoimmune disease.
Observation:
- A patient with occupational silica exposure presented with bilateral digital ischemia and Raynaud's phenomenon.
- Angiography confirmed bilateral HHS, revealing ulnar artery aneurysms and digital artery occlusions.
- Pulmonary tomodensitometry showed signs of silicosis.
Findings:
- Two years post-diagnosis of HHS and silicosis, the patient developed digital swelling and acroosteolysis.
- Positive antinuclear antibody (FANA) and anticentromere antibody tests were noted.
- Esophageal manometry indicated lower esophageal dysmotility, fulfilling criteria for SSc diagnosis.
Implications:
- This case highlights a potential association between silica exposure, HHS, and the subsequent development of SSc (Erasmus syndrome).
- It underscores the importance of considering occupational exposures in the differential diagnosis of vascular and autoimmune conditions.
- Further research is warranted to elucidate the specific mechanisms linking silica exposure to this triad of conditions.