Ewing's Sarcoma Presenting with Pulmonary Metastases at Diagnosis

A meaningful subset of patients with Ewing's sarcoma present with distant spread at the time of initial diagnosis. Pulmonary involvement is among the most common metastatic sites, occurring in approximately 10% of newly diagnosed cases.

Metastatic presentation

Approximately 25% of patients are diagnosed with metastatic disease: 10% with lung involvement, 10% with bone or bone marrow involvement, and 5% with combined or other sites. Pulmonary metastases at diagnosis represent a distinct clinical setting with specific management considerations, including the potential role of whole-lung irradiation when complete remission of all lung lesions is achieved.

Treatment approach

For carefully selected patients who achieve complete remission, consolidation with high-dose chemotherapy is one approach that may be considered — but criteria, sequencing, and the full algorithmic pathway go beyond what can be outlined here. Full regimen details, eligibility criteria, and options are in the structured protocol →

Instant Access to Structured Evidence-Based Regimens

References

DOI: 10.1016/j.annonc.2021.08.1995

Approximately 25% of patients are diagnosed with metastatic disease (10%: lung; 10%: bones/bone marrow; 5%: combinations or others).

Whole-lung irradiation, particularly when achieving complete remission of all lung metastases, can be used in this setting, although data demonstrating an improvement in outcome are lacking [III, C].

For selected patients with a long disease-free interval of ≥2 years achieving a complete remission through medical therapy and/or surgery, consolidation with high-dose ChT may be considered [V, C].

View source ↗