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Radar

• Patient:
  Radar, 13 year old male neutered Manchester Terrier.



• Presenting complaint:
  At 10 years of age, Radar was diagnosed and initially treated for an oral melanoma that started between the left upper third and fourth premolar teeth. Treatment included local resections, three separate episodes of palliative radiation treatments, and chemotherapy. Other problems included mild mitral insufficiency, and radiation induced oral nasal fistula and an abdominal round cell sarcoma. The current problem is left side epistaxis (nose bleed).



• Diagnostic studies before endoscopy:
  Computed tomography revealed a mass in the area over the original tumor area, which was next to the orbit.



• Endoscopic procedure:
  Rhinoscopy was performed in order to diagnose the tumor and reduce its mass using a diode laser. The tumor was again diagnosed as a melanoma and was debulked using a 400 micron diode laser fiber through a 1.9 cystoscope.



• Benefits of using endoscopy:
  Rhinoscopy is minimally invasive and its use with a diode laser provided the ability to resect the mass with minimal bleeding. The rhinoscopic tumor resection successfully resolved the bleeding problem. Radar survived more than 4 years after the initial diagnosis. Most of this extension of quality life was probably the result of multiple of radiation treatments.

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