polypoid tumor

polypoid tumor

Oncology Any tumor benign or malignant with a polyp-like appearance. See Polyp.
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Microscopic analysis revealed that the polypoid tumor was composed of cells with gland-forming pleomorphic nuclei (figure 2).
Clinical examination revealed the presence of a small, whitish, polypoid tumor on the laryngeal surface of the epiglottis; no other primary melanoma was detected.
10) Extramedullary plasmacytoma of the upper aerodigestive tract usually presents as a submucosal, reddish, sessile or polypoid tumor that is rarely ulcerated.
The surgical specimen included a whitish polypoid tumor measuring 3.
The filling defect in the extrahepatic ducts was found to be a polypoid tumor measuring 5.
Colonoscopic examination showed an unusual polypoid tumor with stenosis of the lumen at the rectosigmoid junction, but endoscopic biopsy showed only nonspecific inflammation.
A 75-year-old man referred to the hematuria clinic was found to have a large polypoid tumor of the urinary bladder, which on microscopic examination proved to be a primary osteosarcoma with superficial invasion.
Rhinoscopic examination disclosed a slightly red polypoid tumor covered by mucosa.
4-cm polypoid tumor nodules on the skin surface with focal ulcerations (Figure 1, A).
Macroscopic examination showed a polypoid tumor measuring 12 x 12 x 6 mm that originated from the right margin of the tongue (Figure 1).
In the submucosa, close to the polypoid tumor, there were a few lymphatic vessels containing tumor emboli.
Histologic examination of a biopsy specimen obtained from the polypoid tumor revealed a neuroendocrine carcinoma.