Achenbach syndrome as a rare cause of painful, blue finger

Abstract

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Paroxysmal Finger Hematoma—A Probable Vascular Disorder in Post-COVID-19 Condition: Two Clinical Case Presentations

“…While the etiopathogenesis of AS is unclear, some studies support the hypothesis of a vasomotor disorder. It is assumed that the intimate mechanism involves a vasomotor disorder, reduced capillary resistance, subcutaneous bruising (due to venous blood infiltration in the soft tissues), and diminished digital blood flow [ 19 ]. COVID-19 infection affects the vascular system, both macro, and microcirculation, therefore coronavirus infection could be considered a predisposing factor for developing AS.…”