Introduction

Maxillary chondrosarcoma represents a rare and aggressive malignant tumor of cartilaginous origin within the facial skeleton. Although these tumors typically manifest during the fourth to sixth decades of life, they occasionally affect younger individuals. Clinical experts highlight that the most common symptom is a painless, slow-growing bone swelling. In this case, we examine the recurrence of this malignancy in a 33-year-old woman and discuss the clinical implications for long-term care.

Case Presentation

A 33-year-old Iranian woman presented with a persistent swelling in her left maxillary region that had progressed over one year. Interestingly, the patient had a documented history of the same condition ten years earlier. At that time, she underwent surgical resection supplemented by radiotherapy and chemotherapy. Upon current presentation, radiographic imaging identified a radiopaque lesion with ill-defined borders. This lesion extended from the upper left canine to the first molar, causing significant expansion of the buccal and lingual plates. Consequently, the surgical team prioritized a thorough diagnostic workup.

Diagnosing Maxillary Chondrosarcoma

Distinguishing maxillary chondrosarcoma from other bone pathologies, such as chondroblastic osteosarcoma, remains a significant diagnostic challenge. Microscopic examination in this case revealed histopathologic features consistent with grade 2 chondrosarcoma. Furthermore, the presence of metaplastic bone formation required careful differentiation from similar osseous malignancies. Precise staging and histological grading are essential because they dictate the aggressiveness of the treatment plan.

Management and Follow-up

The standard treatment approach for this tumor involves radical surgical resection. Therefore, the surgeons resected the lesion with a safe margin of 5 mm, including the underlying bone. Because these tumors often exhibit a high rate of local recurrence, clinicians emphasize the necessity of rigorous monitoring. Following the procedure, the patient remained recurrence-free at her six-month follow-up. However, medical literature suggests that long-term surveillance is vital to ensure early detection of any late-stage recurrences.

FAQs

What are the primary symptoms of maxillary chondrosarcoma?

The most common clinical manifestation is a painless swelling of the bone. In the maxillofacial region, it often appears in the anterior maxilla or the posterior mandible, sometimes leading to tooth displacement or cortical expansion.

How is this type of tumor typically treated?

Radical surgery is the gold standard for management. While chemotherapy and radiotherapy are sometimes used, these tumors are generally considered less sensitive to non-surgical modalities compared to other malignancies.

Why is long-term follow-up critical?

These tumors have a tendency for late recurrence, sometimes decades after the initial treatment. Regular imaging and clinical exams are necessary to manage the risk of local or systemic spread.

Disclaimer: This content is for informational and educational purposes only and does not constitute medical advice or a professional relationship. Refer to the latest local and national guidelines for clinical practice.

References

Tabatabaei SH et al. Maxillary chondrosarcoma: a case report. J Med Case Rep. 2026 Mar 29. doi: 10.1186/s13256-026-05962-8. PMID: 41906181.

Laskin DM et al. Chondrosarcoma of the jaws: clinical and radiologic features. Journal of Oral and Maxillofacial Surgery. 2023.

World Health Organization. WHO Classification of Tumours: Head and Neck Tumours. 5th Edition. 2024.