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Published on: August 15, 2025
Fibrosarcoma of the maxillary sinus
Hamid Mansouri1, Mohamed Rzin, Mohamed Marjani
1Department of Oncology, National Cancer Institut and Military Hospital, 21 Rue Mokdad Ben El Assouad, Souissi II Extension, Rabat, Maroc.
Summary
This study details a rare maxillary sinus fibrosarcoma case in a young male. Treatment involved neoadjuvant chemotherapy, surgery, adjuvant chemotherapy, and radiation, highlighting aggressive tumor management.
Area of Science:
- Oncology
- Head and Neck Surgery
- Radiology
Background:
- Fibrosarcoma is a rare malignancy, with sinonasal cavity origin being exceptionally uncommon.
- These tumors often present at advanced stages, posing challenges due to potential for recurrence, especially with inadequate surgical margins.
- While fibrosarcomas predominantly affect extremities, head and neck involvement accounts for only one percent of cases.
Purpose of the Study:
- To report a rare case of maxillary sinus fibrosarcoma in a pediatric patient.
- To illustrate the multidisciplinary treatment approach for advanced sinonasal fibrosarcoma.
- To emphasize the aggressive nature and diagnostic challenges of fibrosarcoma in this location.
Main Methods:
- Case report of a 16-year-old male with maxillary sinus fibrosarcoma.
- Multimodal treatment including neoadjuvant chemotherapy, medial maxillectomy, adjuvant chemotherapy, and external beam radiation therapy.
- Review of imaging features indicative of aggressive tumor behavior.
Main Results:
- Successful surgical resection achieved with adjuvant therapies.
- The patient underwent a comprehensive treatment protocol tailored to the advanced stage of the tumor.
- Imaging characteristics correlated with the known aggressive behavior of fibrosarcoma.
Conclusions:
- Maxillary sinus fibrosarcoma is a rare and aggressive malignancy requiring a multidisciplinary approach.
- Early diagnosis and aggressive treatment, including neoadjuvant and adjuvant therapies, are crucial for managing sinonasal fibrosarcoma.
- This case highlights the importance of considering rare tumors in the differential diagnosis of sinonasal masses.
