Related Experiment Videos
Rhabdomyosarcoma with rhabdoid-like features
B Perez-Ordonez1, R A Kandel, R Bell
1Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, Ontario, Canada.
Pathology, Research and Practice
|July 4, 1998
Summary
This case report details a rare rhabdomyosarcoma (RMS) with rhabdoid features in a bone marrow transplant recipient. The tumor showed good prognosis post-resection, but its association with transplantation requires further investigation.
Area of Science:
- Oncology
- Hematology
- Pathology
Background:
- Bone marrow transplantation (BMT) is a life-saving procedure for hematologic malignancies.
- Rhabdomyosarcoma (RMS) is a rare soft tissue sarcoma.
- Post-transplant complications can include secondary malignancies.
Observation:
- A unique case of rhabdomyosarcoma with rhabdoid-like cells is presented.
- The patient had a history of bone marrow transplantation for chronic myelogenous leukemia.
- Histological examination revealed specific cellular and ultrastructural features.
Findings:
- The tumor cells expressed vimentin, muscle-specific actin, sarcomeric actin, and desmin.
- Immunohistochemistry confirmed the muscle origin of the tumor.
- No viral DNA/RNA (HPV, CMV, EBV) was detected, ruling out common viral oncogenesis.
Implications:
- This is the first reported instance of such a tumor following BMT, suggesting a potential, though unclear, association.
- The rhabdoid-like RMS demonstrated a favorable prognosis with no recurrence five years post-surgery.
- Further research is needed to understand the link between BMT and this specific type of sarcoma.