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Updated: Jan 5, 2026

Development and Evaluation of a Rat Model of Full-Thickness Cartilage Defects
Published on: May 19, 2023
[Cartilage-hair hypoplasia. A case report]
Tamara Aidé Staines-Boones1, María Guadalupe González-Villarreal, Cecilia Hernández-Fernández
1Instituto Mexicano del Seguro Social, Hospital de Especialidades, Servicio de Alergia e Inmunología, Monterrey, Nuevo León, México. ceciliahernandezfdez@gmail.com.
Insights
Cartilage-hair hypoplasia, a rare genetic disorder, presents with growth issues and immune deficiencies. Hematopoietic stem cell transplantation offers a potential treatment option for affected children.
Area of Science:
- Genetics and rare diseases
- Immunology
- Pediatric medicine
Background:
- Cartilage-hair hypoplasia (CHH) is a rare autosomal recessive disorder.
- Characterized by metaphyseal chondrodysplasia and fine hair.
- Often associated with variable degrees of immunodeficiency.
Observation:
- A case report of a 35-month-old girl with CHH is presented.
- The patient experienced growth restriction, recurrent pneumonia, malabsorption, and aganglionic megacolon.
- Exhibited non-severe combined immunodeficiency.
Findings:
- Hematopoietic stem cell transplantation (HSCT) was performed.
- The patient was free from infections at the time of reporting.
- Demonstrates the potential efficacy of HSCT in managing CHH complications.
Implications:
- CHH presents with diverse clinical manifestations and immunodeficiency.
- HSCT is a viable therapeutic strategy for severe cases of CHH.
- Highlights the importance of early diagnosis and intervention for CHH patients.
Background:
Cartilage-hair hypoplasia is a rare autosomal recessive disease, which is characterized by metaphyseal chondrodysplasia and thin hair. It can be accompanied by immunological disorders in varying degrees.
Clinical Case:
The case of a 35-month-old girl is described. Since her birth, with growth restriction, she has developed pneumonia eleven times, malabsorption syndrome and aganglionic megacolon, which is why she was diagnosed with cartilage-hair hypoplasia, with expression of non-severe combined immunodeficiency. The decision was to proceed with hematopoietic stem cell transplantation. At the time of this report, the patient was free from infectious processes.
Conclusion:
Cartilage-hair hypoplasia is a condition with diverse clinical features and different degrees of immunodeficiency. As part of the treatment, it is possible to perform haematopoietic stem cell transplantation.
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