Necrotizing Skin Findings in Coronavirus Disease 2019: A Case Report

Area of Science:

• Dermatology
• Pathology
• Infectious Diseases

Background:

• Coronavirus disease 2019 (COVID-19) is a severe respiratory illness caused by a single-stranded RNA virus.
• Coagulation disorders associated with severe COVID-19 can lead to ischemic complications, including acral lesions.
• Skin manifestations in COVID-19 patients require further characterization.

Observation:

• A 51-year-old male hospitalized with COVID-19 pneumonia developed ischemic lesions on fingers and toes after 28 days in the ICU.
• Histopathological examination of the lesions showed vasculitis with inflammatory cell infiltration in medium-sized arteries.
• Microthrombosis was observed in the small capillaries of the affected digits.

Findings:

• The case demonstrates a correlation between severe COVID-19 and the development of ischemic acral lesions.
• Histological findings suggest that vasculitis and microthrombosis are key pathological mechanisms.
• These thrombotic lesions may result from the viral infection itself or from therapeutic interventions.

Implications:

• This case highlights the potential for COVID-19 to cause significant vascular complications affecting the extremities.
• Understanding these skin reactions is crucial for comprehensive patient management and diagnosis.
• Further research is needed to elucidate the precise mechanisms and clinical significance of COVID-19-associated skin lesions.