Nail Unit Arteriovenous Hemangioma Presenting as Longitudinal Erythronychia
Introduction: Localized longitudinal erythronychia is defined as a single nail with a longitudinal red band extending the length of a nail plate. It has a broad differential of benign and malignant etiologies, and is rarely due to benign vascular proliferations. Case Presentation: We present a unique case of nail unit arteriovenous hemangioma presenting as longitudinal erythronychia of the left thumbnail in a 76-year-old male. The band was 6 mm and encompassed over 40% of the surface area of the nail plate. Dermoscopy showed red bands that were regular in terms of color, but not thickness or spacing. Due to concern for an amelanotic melanoma, a longitudinal excision was performed. Histopathology was consistent with a diagnosis of nail unit arteriovenous hemangioma. Conclusion: Arteriovenous hemangiomas were rarely present in the nail unit. They can be present as a blue or red nodule/macule, or as longitudinal erythronychia. Diagnosis often requires an excisional biopsy, with histopathology notable for a proliferation of multiple thick- and thin-walled vascular structures lined by a flattened endothelium. Our case emphasizes the need to consider vascular proliferations, such as arteriovenous hemangioma, in the differential diagnosis of longitudinal erythronychia.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Nail Unit Arteriovenous Hemangioma Presenting as Longitudinal Erythronychia ; volume:9 ; number:4 ; year:2023 ; pages:300-305 ; extent:6
Skin appendage disorders ; 9, Heft 4 (2023), 300-305 (gesamt 6)
- Urheber
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Hwang, Jonathan Kyle
Magro, Cynthia M.
Lipner, Shari R.
- DOI
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10.1159/000530739
- URN
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urn:nbn:de:101:1-2023081700455752176168
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 11:02 MESZ
Datenpartner
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Beteiligte
- Hwang, Jonathan Kyle
- Magro, Cynthia M.
- Lipner, Shari R.
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