SummaryChronic venous disease is a common disorder associated with a variety of symptoms in later disease stages but also with complications such as venous leg ulcer. This, in turn, has substantial socioeconomic effects and significantly impacts patients' quality of life. While there are a number of diagnostic procedures available, color-flow duplex ultrasound has become the gold standard. As regards therapeutic options, major advances have been made in recent decades. Today, there are alternatives to saphenofemoral ligation and stripping of the great saphenous vein, including endovenous thermal ablation techniques. However, treatment selection continues to depend on many factors such as individual anatomical circumstances and disease stage. The following article provides an overview of the anatomy and pathophysiology as well as current diagnostic and therapeutic standards.

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Background and Objectives: Antinuclear antibodies (ANA) detected by HEp2 cell immunofluorescence staining are a characteristic finding in patients with connective tissue disease (CTD). However, even detection of highly elevated ANA is not conclusive for CTD and can result in misdiagnosis. Anti-DFS70 antibodies are ANA, which may also be highly elevated in people without CTD. Thus, we wanted to evaluate whether they could cause misdiagnosis of CTD. Since anti-DSF70 antibodies have been associated with atopic dermatitis (AD) in Japan, we wanted to investigate this association and its potential diagnostic relevance in Germany. Patients and Methods:We retrospectively analyzed data of 40 patients referred for first consultation on CTD and prospectively analyzed the prevalence of anti-DFS70 antibodies in 110 AD patients and 89 controls. Results: We could not confirm CTD in 75% of our referred patients, 26% of whom had already received systemic treatments. DFS70-typical fluorescence staining was detected in 35% and definitive anti-DFS70 antibodies in 12.5% of these patients. DFS70-typical fluorescence staining was detected in 22% of AD patients and anti-DFS70 antibodies in 10% (versus 5.6% and 0% in control patients, P < 0.001). Conclusions: Anti-DFS70 antibodies are significantly associated with AD and could be responsible for misdiagnosis of CTD.

Zusammenfassung Die chronische Venenerkrankung ist eine weit verbreitete Krankheit, die in späteren Stadien mit einer Vielzahl an Symptomen, aber auch Komplikationen wie dem Ulcus cruris, einhergeht. Dies wiederum hat weitreichende Auswirkungen auf die Lebensqualität der Patienten wie auch auf das Gesundheitssystem. Für die Diagnostik der chronischen Venenerkrankungen steht eine Auswahl an Verfahren zur Verfügung, wobei sich die farbkodierte Duplexsonographie als Goldstandard etabliert hat. Im Bereich der Therapie kam es in den letzten Jahrzehnten zu großen Fortschritten, sodass heute auch Alternativen zum klassischen Stripping durch die endoluminalen Verfahren zur Verfügung stehen. Die Wahl der Therapieoption ist jedoch weiterhin stark abhängig von mehreren Faktoren, unter anderem von den anatomischen Gegebenheiten und dem Krankheitsstadium. Im folgenden Artikel werden die Anatomie und Pathophysiologie, sowie die aktuellen Standards der Diagnostik und Therapie zusammengefasst.