What canine parasite causes nodules in the esophagus and may become neoplastic?

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Study for the VTNE Laboratory Procedures Test. Use flashcards and multiple choice questions, each question offers hints and explanations, enabling increased understanding and retention. Prepare effectively for your exam!

Multiple Choice

What canine parasite causes nodules in the esophagus and may become neoplastic?

Explanation:
Spirocerca lupi is the parasite that forms nodular lesions in the esophagus of dogs, and those nodules can undergo malignant transformation into esophageal neoplasms such as fibrosarcoma. This esophageal localization with potential cancerous change is the hallmark feature of this parasite. Physaloptera affects the stomach, causing gastritis and ulcers rather than esophageal nodules; Filaroides targets the lungs and airways, not the esophagus; and the remaining option isn’t a recognized canine parasite associated with esophageal nodules.

Spirocerca lupi is the parasite that forms nodular lesions in the esophagus of dogs, and those nodules can undergo malignant transformation into esophageal neoplasms such as fibrosarcoma. This esophageal localization with potential cancerous change is the hallmark feature of this parasite. Physaloptera affects the stomach, causing gastritis and ulcers rather than esophageal nodules; Filaroides targets the lungs and airways, not the esophagus; and the remaining option isn’t a recognized canine parasite associated with esophageal nodules.

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