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Plexiform fibrohistiocytic tumor with systemic metastases: a case report
1Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota 55905, USA.
The American Journal of Surgical Pathology
|April 1, 1997
Summary
A rare plexiform fibrohistiocytic tumor in a child metastasized to the lungs. This is the first reported case of systemic spread for this type of neoplasm.
Area of Science:
- Oncology
- Pathology
- Pediatric Neoplasms
Background:
- Plexiform fibrohistiocytic tumor is a rare soft tissue neoplasm.
- Typically affects adolescents and young adults.
- Previously considered a low-grade malignancy with limited metastatic potential.
Observation:
- A 4-year-old girl presented with a plexiform fibrohistiocytic tumor on her left wrist.
- The tumor recurred locally and subsequently metastasized.
- Metastases were observed in an axillary lymph node and the lungs.
Findings:
- This case represents the first documented instance of systemic metastasis from a plexiform fibrohistiocytic tumor.
- The presence of pulmonary metastases indicates a higher-grade behavior than previously understood.
- Histopathological analysis confirmed the nature of the primary tumor and metastatic deposits.
Implications:
- This finding necessitates a re-evaluation of the metastatic potential and clinical management of plexiform fibrohistiocytic tumors.
- Increased surveillance for systemic spread may be warranted in pediatric patients.
- Further research into the molecular mechanisms driving metastasis in this neoplasm is crucial.