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Familial pyoderma gangrenosum presenting in infancy
H S al-Rimawi1, F M Abuekteish, A S Daoud
1Department of Paediatrics, Jordan University of Science and Technology, Irbid, Jordan.
Insights
This study reports the first family with three infant siblings diagnosed with pyoderma gangrenosum (PG), a rare skin condition. The findings suggest a possible genetic link and highlight diagnostic challenges in infants.
Area of Science:
- Dermatology
- Genetics
- Pediatrics
Background:
- Pyoderma gangrenosum (PG) is a rare and poorly understood inflammatory skin disease.
- Infantile PG is exceptionally rare, accounting for less than 0.4% of cases and posing diagnostic challenges due to its resemblance to other neonatal dermatoses.
Observation:
- This report details the first instance of three siblings presenting with infantile pyoderma gangrenosum.
- In these infants, PG lesions primarily affected the buttocks, thighs, and perianal region, differing from typical leg involvement in older patients.
Findings:
- The affected siblings suggest a potential autosomal recessive inheritance pattern for pyoderma gangrenosum.
- Infantile PG diagnosis is complicated by the absence of associated disorders and lesion presentation in common infant rash areas.
Implications:
- This case series highlights the importance of considering familial pyoderma gangrenosum in infants.
- Understanding the unique presentation of infantile PG is crucial for timely diagnosis and management.
Unlabelled:
Pyoderma gangrenosum (PG) is a rare, poorly understood skin disease that occurs in all age groups. Less than 0.4% of patients are infants and represent a diagnostic challenge as early lesions may resemble other skin disorders. Here we report for the first time three siblings affected with PG all presenting during infancy. Unlike the older age group, the ulcers spared the legs but involved the buttocks, thighs and perianal area in all the infants.
Conclusion:
This is the first reported family with PG affecting three siblings suggesting autosomal recessive inheritance. The diagnosis may be more difficult in infants due to absence of underlying associated disorders and the tendency of the lesions to appear in areas where infants frequently have other dermatoses. PG characteristically involves the buttocks, thighs and perianal area and spares the legs.