[Acute hemorrhagic edema in children: excellent prognosis]

Area of Science:

• Pediatric Dermatology
• Pediatric Rheumatology
• Vascular Biology

Background:

• Acute haemorrhagic oedema (AHE) is a rare, benign leucocytoclastic vasculitis affecting infants and young children.
• This condition is characterized by distinctive skin lesions and edema, predominantly on the extremities.
• AHE often occurs following an antecedent infection or vaccination in susceptible children.

Observation:

• The study presents two pediatric cases diagnosed with AHE, aged 8 and 14 months.
• Both patients exhibited fever and typical concentric skin lesions with edema, excluding the trunk.
• These clinical manifestations are consistent with the diagnostic criteria for AHE.

Findings:

• Diagnosis of acute haemorrhagic oedema was confirmed in both young male patients.
• The condition is a benign leucocytoclastic vasculitis of the skin with associated edema.
• AHE typically affects children aged 0-36 months and is often preceded by infection or vaccination.

Implications:

• Early recognition and diagnosis of AHE are crucial for appropriate management.
• Understanding the benign nature of AHE reassures clinicians and parents regarding prognosis.
• Complete recovery is the expected outcome for children diagnosed with acute haemorrhagic oedema.