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Transendoscopic electrosurgery of an equine pulmonary granular cell tumor
Bernhard Ohnesorge1, Heidrun Gehlen, Peter Wohlsein
1Clinic for Horses and Department of Pathology, School of Veterinary Medicine, Hannover, Germany.
Objective:
Description of transendoscopic electrosurgical treatment of a pulmonary granular cell tumor in a horse.
Study Design:
Case report.
Animals:
A 12-year-old Standardbred mare.
Methods:
After endoscopic examination and transendoscopic biopsy, a granular cell tumor nodule was removed transendoscopically from the right principal bronchus of the sedated horse (0.02 mg/kg detomide intravenous) with a monopolar electrosurgical wire snare. Two days later, the surgical area was irradiated transendoscopically using a Nd-YAG laser.
Results:
After surgery, the horse had no further signs of respiratory disease. Clinical and endoscopic examination and radiography performed 4 times during the following 2 years showed no evidence of recurrence.
Conclusions:
Transendoscopic electrosurgical removal of nodular masses located intraluminally in the principal bronchi is possible on the sedated standing horse.
Clinical Relevance:
Granular tumors are rare lung neoplasms that lead to unspecific signs of a low airway disease. Diagnosis requires endoscopic examination of the large bronchi. Early intraluminal stages can be treated transendoscopically.