Osteoclastic Giant Cell Variant of Urothelial Carcinoma in a COVID-Positive Patient:

Understanding Osteoclastic Giant Cell Variant of Urothelial Carcinoma

  • Urothelial carcinoma is the most common type of bladder cancer, with over 90% arising from transitional epithelium.
  • The OGC variant is an extremely rare subtype, first identified in 2006, with fewer than 30 documented cases worldwide.
  • This variant is known for its aggressive nature and association with poor prognosis.

Case Summary:

  • A 63-year-old male with hypertension and hypertrophic cardiomyopathy presented with intermittent gross hematuria.
  • Imaging revealed a soft tissue mass in the urinary bladder, leading to a transurethral resection of bladder tumor (TURBT).
  • Histopathology confirmed high-grade urothelial carcinoma with osteoclastic giant cells, positive for CD68 and negative for CK20 and desmin.
  • The patient was scheduled for chemotherapy but tested positive for COVID-19, requiring a delay in treatment.

Management Challenges and Treatment Considerations

  • Standard treatment for muscle-invasive bladder cancer includes neoadjuvant chemotherapy followed by radical cystectomy.
  • The ongoing pandemic has led to revised guidelines for cancer management, advocating for risk-benefit assessment before proceeding with immunosuppressive treatments.
  • In this case, chemotherapy was delayed due to COVID-19 positivity, but the patient recovered and resumed follow-up care.

Further Reading and References

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