[Idiopathic arterial calcinosis in children and pulmonary giant-cell elastolysis]
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Idiopathic arterial calcinosis (IAC) is an autosomal recessive disease. Genetic elastolysis initiates IAC, leading to arterial calcification and often fatal outcomes in infants.
Area of Science:
- Cardiovascular Pathology
- Pediatric Genetics
- Vascular Biology
Background:
- Idiopathic arterial calcinosis (IAC) is a rare, severe condition affecting infants.
- Understanding the pathogenesis of IAC is crucial for early diagnosis and management.
- Genetic factors are implicated in the development of IAC.
Observation:
- The study describes 4 lethal cases of IAC in infants (3 girls, 1 boy) aged 1 month to 8 months.
- Clinical observations highlight the rapid and severe progression of the disease.
- Histopathological examination reveals key features of the arterial lesions.
Findings:
- The autosomal recessive inheritance pattern of IAC is confirmed by the authors' cases and literature review.
- The initial step in IAC pathogenesis involves genetically conditioned elastolysis.
- Giant multinuclear cells play a role in the elastolytic process preceding arterial calcification.
Implications:
- Accurate differential diagnosis between IAC and secondary arterial calcification is essential.
- Early identification of genetic elastolysis may lead to targeted therapeutic strategies.
- Further research into the genetic underpinnings of IAC can improve patient outcomes.
Abstract:
4 lethal cases of idiopathic arterial calcinosis (IAC) in three girls (1 month 10 days, 2 months and 3 months of age) and one 8-month-old boy are described. The authors' own material and literature data confirm the autosomal recessive character of the disease. The initial step in the IAC morphogenesis belongs to the genetically conditioned elastolysis with the participation of giant multinuclear cells with subsequent arterial calcinosis. Differential diagnosis of IAC with secondary arterial calcinosis is recommended.