eccrine nevi should be distinguished from other eccrine nevi.
Histopathology revealed a polypoid
lesion consisting of aggregations of neoplastic basaloid cells, which were confined to the polypoid
region [Figure 2]a.
Data on the incidence, prognosis, and management of pedunculated melanomas in the literature is skewed; they are often grouped with sessile melanomas under the umbrella of polypoid
Biopsy of the polypoid
mass was reported as a mucosal polyp rich in plasma cells.
On direct laryngoscopy performed under general anesthesia, a smooth polypoid
mass holding on the anterior commissure and the left cord with a wide pedicle was observed (Figure 1).
ganglioneuromas are most often small, sessile, or pedunculated polyps that grossly resemble juvenile polyps, adenomas, or hyperplastic polyps.
An appendiceal inversion may appear on endoscopy to be a polypoid
area covered with normal mucosa, giving the appearance of an adenomatous polyp, with a central dimple found in the anatomic place of the appendix.
(1) atypical polypoid
adenomyoma that contains an architecturally complex and cytological atypical glandular component, whereas adenomyomatous polyp has simple glands and no significant atypia ;
Gonzalez-Vela, "Pedunculated polypoid
lymphangioma of the anal canal," Pathology International, vol.
Gilbert, "Surgical management of polypoid
lesions of the gallbladder," British Journal of Surgery, vol.
A case of polypoid
clear cell acanthoma on the nipple.
Occasionally, this polypoid
mass can be bilaterally associated with inflammatory nasal polyps.