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A case of Wilson-Mikity syndrome with high serum KL-6 levels
Takeshi Takami1, Atsushi Kumada, Yukito Takei
1Department of Pediatrics, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Japan.
Insights
In infants with Wilson-Mikity syndrome, serum KL-6 levels closely mirrored disease activity. This finding suggests KL-6 is a valuable biomarker for interstitial lung disease in this pediatric condition.
Area of Science:
- Pediatric Pulmonology
- Biomarker Discovery
- Interstitial Lung Diseases
Background:
- Elevated serum KL-6 and surfactant protein D (SP-D) are observed in adult interstitial pneumonia.
- Wilson-Mikity syndrome is a rare, severe form of neonatal chronic lung disease.
Observation:
- This case study monitored serum KL-6, SP-D, and lactate dehydrogenase (LDH) in an infant diagnosed with Wilson-Mikity syndrome.
- The infant's clinical symptoms were tracked alongside these biomarker levels.
Findings:
- Serum KL-6 levels demonstrated a stronger correlation with the infant's clinical symptoms compared to SP-D and LDH.
- High serum KL-6 concentrations appeared to reflect active interstitial lung disease in Wilson-Mikity syndrome.
Implications:
- Serum KL-6 may serve as a sensitive indicator of disease activity in pediatric interstitial lung diseases like Wilson-Mikity syndrome.
- Further research could validate KL-6 as a non-invasive biomarker for monitoring treatment response and disease progression in infants.
Abstract:
KL-6 and surfactant protein D (SP-D) serum concentrations are known to rise in adult patients with various types of interstitial pneumonia. We evaluated the time course of serum KL-6, SP-D, and lactate dehydrogenase (LDH) levels in an infant with Wilson-Mikity syndrome. In this case, serum KL-6 levels correlated with clinical symptoms better than serum SP-D and LDH levels. The findings of this case suggest that high serum levels of KL-6 show activity of interstitial lung disease of Wilson-Mikity syndrome.
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