Abstract
The purpose of the study is to highlight clinical signs that are either suggestive of or against the diagnosis of AHEI to improve diagnosis and management. The medical records of children under 3 years old diagnosed with AHEI were retrospectively reviewed. Clinical data and photographs were reviewed by three independent experts, and the cases were classified as probable, doubtful, or unclear AHEI. Of the 69 cases of children diagnosed with AHEI included in 22 centers, 40 were classified as probable, 22 as doubtful, and 7 as unclear. The median age of patients with probable AHEI was 11 months [IQR 9–15], and they were in overall good condition (n = 33/40, 82.5%). The morphology of the purpura was targetoid in 75% of cases (n = 30/40) and ecchymotic in 70% of cases (n = 28/40) and affected mostly the legs (n = 39/40, 97%), the arms (n = 34/40, 85%), and the face (n = 33/40, 82.5%). Edema was observed in 95% of cases and affected mostly the hands (n = 36/38, 95%) and feet (n = 28/38, 74%). Pruritus was absent in all patients with probable AHEI and described for 6/21 with doubtful AHEI (29%). AHEI was the original diagnosis in only 24 patients (n = 24/40, 60%). The major differential diagnoses were purpura fulminans and urticaria multiforme.
Conclusion: AHEI, which the diagnosis is made on clinical findings, is often misdiagnosed. Purpuric lesions localized on the face/ears, arms/forearms, and thighs/legs with edema of the hands without pruritus in a young child with a good overall condition are highly suggestive of AHEI.
What is Known: |
•Acute hemorrhagic edema of infancy (AHEI) is a cutaneous leukocytoclastic vasculitis affecting children under 3 years old. |
•Appropriate diagnosis is important to distinguish this benign disease from more serious diseases to avoid investigations and treatments, iatrogenic harm and unnecessary follow-up. |
What is New: |
•AHEI is an uncommon disorder often misdiagnosed by pediatricians and dermatologists. |
•Purpuric lesions localized on the face/ears, arms/forearms, and thighs/legs with edema of the hands without pruritus in an infant with a good overall condition are highly suggestive of AHEI. |
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Data availability
Data supporting the study findings are available from the corresponding author on reasonable request.
Abbreviations
- AHEI:
-
Acute hemorrhagic edema of infancy
- IgAV:
-
IgA vasculitis
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Acknowledgements
We thank Greta Gourier (CH de Cornouaille, Quimper), François Arditty (CH Versailles), Xavier Balguerie (Hôpital Charles Nicolle, Rouen), Romain Longuet (CHU Rennes), Karen Milcent (CHU Antoine Béclère, Clamart), and Catherine Eschard (Hôpital Robert Debré, Reims) for their participation in the data collection. We also thank the Research Group of the French Society of Pediatric Dermatology for its contribution.
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Sophie Leducq, Annabel Maruani, Maryam Piram. The first draft of the manuscript was written by Sophie Leducq, Annabel Maruani and Maryam Piram and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Leducq, S., Maruani, A., Bodemer, C. et al. Accurate diagnosis of acute hemorrhagic edema of infancy: a French multicenter observational study. Eur J Pediatr 182, 4133–4141 (2023). https://doi.org/10.1007/s00431-023-05098-7
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DOI: https://doi.org/10.1007/s00431-023-05098-7