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

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Prepare effectively for the VTNE Laboratory Procedures Test with engaging flashcards and multiple-choice questions, each complemented by helpful hints and explanations. Boost your confidence and readiness for exam day!

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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