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[Ungueal capillaroscopy in fasciitis with eosinophilia: a distinctive feature of systemic scleroderma. Apropos of 15
S Herson1, S Brechignac, J C Piette
1Service de Médicine Interne de la Salpêtrière, Groupe-Hospitalier Pitié-Salpêtrière, Paris.
Abstract:
Eosinophilic fasciitis (EF) is a recently described disease whose distinction from progressive systemic sclerosis (PSS) is still being discussed. PSS has a characteristic microcirculation pattern. We performed nailfold microscopy on 15 patients with EF and compared the results to those of 98 PSS patients and 75 normal control subjects. EF patients have a normal microcirculation pattern (13/15) or discrete, non-specific anomalies: none had the typical capillary pattern associated with PSS and associated diseases. The findings of this study justify making a distinction between EF and PSS and demonstrate that nail fold microscopy can be a useful tool for an early differential diagnosis between these two disorders.
Insights
Eosinophilic fasciitis (EF) shows normal nailfold capillary patterns, unlike progressive systemic sclerosis (PSS). Nailfold microscopy aids in differentiating these conditions early.
Area of Science:
- Rheumatology
- Dermatology
- Microcirculation Research
Context:
- Eosinophilic fasciitis (EF) is a distinct condition, but its differentiation from progressive systemic sclerosis (PSS) remains a clinical challenge.
- Progressive systemic sclerosis (PSS) exhibits a characteristic microcirculation pattern, often assessed via nailfold capillaroscopy.
- Understanding microvascular changes is crucial for diagnosing systemic autoimmune diseases.
Purpose:
- To investigate the microcirculation patterns in patients with Eosinophilic fasciitis (EF) using nailfold microscopy.
- To compare the nailfold microscopy findings in EF patients with those of PSS patients and healthy controls.
- To determine the utility of nailfold microscopy in the differential diagnosis between EF and PSS.
Summary:
- Nailfold microscopy was performed on 15 EF patients, 98 PSS patients, and 75 controls.
- The majority of EF patients (13/15) displayed normal microcirculation patterns.
- No EF patients exhibited the typical capillary abnormalities associated with PSS and related diseases.
Impact:
- The study supports the distinction between Eosinophilic fasciitis (EF) and progressive systemic sclerosis (PSS).
- Nailfold microscopy is identified as a valuable tool for the early differential diagnosis of EF and PSS.
- This research can improve diagnostic accuracy and patient management for these connective tissue diseases.