Intrathoracic esophageal squamous cell carcinoma was diagnosed by endoscopy in an 11-year-old, castrated male Labrador retriever with signs of regurgitation and weight loss. Photodynamic therapy with photofrin was administered three times under endoscopic guidance over a two-month period. A partial response to photodynamic therapy was supported by a reduction in tumor size (noted on serial endoscopic examinations) and by a return to oral alimentation. The dog was euthanized due to recurrent regurgitation and aspiration pneumonia nine months after the onset of therapy. Necropsy revealed marked local invasiveness and regional lymph node metastasis of the esophageal squamous cell carcinoma in addition to pneumonia. The application of photodynamic therapy in the treatment of canine esophageal squamous cell carcinoma is discussed and compared with the human literature.
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May/June 2000
Articles|
May 01 2000
Photodynamic therapy as a treatment for esophageal squamous cell carcinoma in a dog
J Am Anim Hosp Assoc (2000) 36 (3): 257–261.
Citation
TM Jacobs, GM Rosen; Photodynamic therapy as a treatment for esophageal squamous cell carcinoma in a dog. J Am Anim Hosp Assoc 1 May 2000; 36 (3): 257–261. doi: https://doi.org/10.5326/15473317-36-3-257
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