Patient With Mass in Sacrococcygeal Region

A 58-year-old man presents with pain in the lower back. Radiographic imaging shows a mass in the sacrococcygeal region. Resection of the tumor was performed. What is your diagnosis?


Although rare, long-term recurrence of soft-tissue sarcoma is possible, and patients with retroperitoneal, very large sarcomas, or high-grade disease should undergo long-term follow-up to detect late disease recurrence.

A new study found that clinicians may be able to safely substitute cyclophosphamide for ifosfamide in the consolidation treatment of standard-risk Ewing sarcoma.

A new risk-stratification system for pediatric and young adult patients with non-rhabdomyosarcoma soft-tissue sarcomas (NRSTS) was able to effectively classify patients for the appropriate therapy.

Patients with first relapse rhabdomyosarcoma treated with a chemotherapy backbone of vinorelbine/cyclophosphamide plus temsirolimus had a superior event-free survival compared to patients treated with the same backbone plus bevacizumab.

Five extra minutes of imaging time could improve detection rates of recurrence in patients undergoing postsurgical surveillance for sarcoma.

Survivors of sarcoma have significant long-term mortality from both second cancers and noncancer-specific causes when compared with the general population, a large study showed.

A recent review clarifies the major classification changes in the current 2013 WHO classification, and factors in new genetic data that has emerged since the publication of the current volume.


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