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Acute suppurative thyroiditis complicating second allogeneic transplant for juvenile CMML
M Poelman1, Y Benoit, G Laureys
1Department of Pediatric Hemato-oncology, University Hospital, Ghent, Belgium.
Bone Marrow Transplantation
|December 1, 1992
Summary
A rare complication of bone marrow transplant (BMT) occurred in a child with juvenile chronic myelomonocytic leukemia and monosomy 7. The patient developed hypothyroidism from acute suppurative thyroiditis post-transplant.
Area of Science:
- Pediatric Oncology
- Hematology
- Endocrinology
Background:
- Juvenile chronic myelomonocytic leukemia (JCML) is a rare myelodysplastic/myeloproliferative disorder in children.
- Monosomy 7 is a common chromosomal abnormality associated with JCML, often indicating a poor prognosis.
- Hematopoietic stem cell transplantation (HSCT), including bone marrow transplant (BMT), is a potential curative option for high-risk pediatric leukemia.
Observation:
- A 3-year-old boy diagnosed with JCML and monosomy 7 underwent a second HLA-matched sibling bone marrow transplant.
- In the recovery phase post-BMT, the patient presented with acute suppurative thyroiditis.
- This thyroiditis led to the development of hypothyroidism.
Findings:
- Acute suppurative thyroiditis is an exceptionally rare complication following bone marrow transplantation.
- The patient's hypothyroidism was a direct consequence of this rare post-BMT complication.
- The case highlights a novel adverse event in the context of pediatric BMT for leukemia.
Implications:
- This case underscores the importance of monitoring for rare endocrine complications after BMT in pediatric oncology.
- Awareness of acute suppurative thyroiditis as a potential BMT complication may aid in early diagnosis and management.
- Further research into the mechanisms and incidence of such rare complications is warranted to optimize BMT protocols.