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Harlequin Ichthyosis in a Preterm Neonate: A Rare Case Report
Tayyeb Ali1, Muhammad Hassaan Javaid2, Muhammad Wajid Siddique3
1Gomal Medical College Dera Ismail Khan Pakistan.
Insights
Harlequin ichthyosis, a rare genetic skin disorder caused by ABCA12 gene mutations, presents severe symptoms at birth. Early detection and supportive care are crucial for managing this critical condition.
Area of Science:
- Genetics
- Dermatology
- Neonatology
Background:
- Harlequin ichthyosis is a rare, severe genetic disorder of skin development.
- It results from inherited mutations in the ABCA12 gene, impacting the skin's outer layer.
- Affected infants exhibit characteristic physical abnormalities and face significant survival challenges.
Purpose of the Study:
- To present a case study of a neonate diagnosed with harlequin ichthyosis.
- To highlight the prenatal and postnatal clinical manifestations of the condition.
- To discuss the management strategies and challenges in resource-limited settings.
Main Methods:
- Clinical observation and diagnosis of a preterm infant with harlequin ichthyosis.
- Review of prenatal ultrasound findings, including thickened skin and fetal positioning.
- Description of postnatal care, focusing on supportive measures like hydration and thermoregulation.
Main Results:
- The neonate presented with classic harlequin ichthyosis signs, including thickened skin, ectropion, eclabium, joint contractures, and fused digits.
- Prenatal imaging indicated widespread fetal skin thickening and other anomalies.
- Postnatal management involved intensive supportive care, including moisturizing, intravenous fluids, and infection prevention.
Conclusions:
- Harlequin ichthyosis requires prompt recognition and multidisciplinary supportive care for affected newborns.
- Prenatal diagnosis can aid in preparing for the management of this severe condition.
- Challenges in genetic testing due to cost can impact definitive diagnosis and family counseling.
Abstract:
A condition known as harlequin ichthyosis appears rarely, marked by intense abnormalities in skin development due to inherited changes in the ABCA12 gene. This leads to major issues with the outer layer of skin, forming hard, plate-like coverings split by wide cracks. Features include turned-out eyelids, lips pulled back, and stiff joints in arms and legs; survival rates at birth remain low because of complications. A baby boy born before full term showed clear signs matching this diagnosis immediately after delivery. Earlier scans during pregnancy, specifically in the last 3 months, revealed widespread thickened skin, abnormal eye positioning, an always-open mouth, joint stiffness, and dense particles floating in the womb fluid. Following birth, thickened skin patches covered much of the newborn's body, accompanied by fused digits, fluid loss, and low body temperature. Within a moist environment inside an enclosed warmer, treatment unfolded through moisturizing agents, hydration via vein access, infection prevention with medication, alongside eye protection. Gene testing remained absent, blocked by cost-related barriers. Awareness at onset, strong support during initial days, coordination across specialties-these shaped progress, especially where tools and funds run short.
