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  • Title: Ultrasonographic appearance of primary gastric neoplasia in 21 dogs.
    Author: Lamb CR, Grierson J.
    Journal: J Small Anim Pract; 1999 May; 40(5):211-5. PubMed ID: 10385863.
    Abstract:
    The ultrasonographic findings in 21 dogs with histologically confirmed primary gastric neoplasia were reviewed. Location, shape of the gastric lesion, evidence of gastric wall thickening, wall layers affected, presence of ulceration, evidence of extension through the gastric wall and lymphadenopathy were recorded. Twelve dogs with carcinoma shared many ultrasonographic features with six dogs that had lymphoma, the majority having sessile masses that appeared to involve all layers of the gastric wall; many also had evidence of ulceration and lymphadenopathy. Signs of extension of the lesion through the serosal surface of the stomach were identified ultrasonographically only in dogs with carcinoma. In contrast, three dogs with leiomyoma or leiomyosarcoma each had a focal mass affecting the gastric antrum, and lymphadenopathy was not identified ultrasonographically in these dogs. Even without any specific patient preparation, ultrasonography enables a morphological assessment of gastric neoplasms that may prompt a tentative diagnosis of gastric neoplasia and stimulate further investigation.
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