Consistent Tubular Adenoma

Sessile Polyp

g Better visualization of this villous adenoma on the cecal pole (f) using chromoendoscopy.

h, i Two villous adenomas with nodular contours, fingerlike processes, and tubular growth. Stained with indigo carmine dye.

Consistent Tubular Adenoma

Cancerous tubulovillous adenoma with deformed surface and ulceration at the polyp base (lower left edge of image).

Villous adenoma with friable surface, some spontaneous bleeding. Malignant transformation on surface.

c Wide tubulovillous adenoma, malignant transformation with surface changes: deformation, granular and friable surface, depression in center and beginning ulceration (upper left edge of image).

Tubulovillous Adenoma

Malignantly transforming tubulovillous adenoma with granular, friable surface, pronounced vulnerability, and bleeding tendency.

Malignantly transforming tubulovillous adenoma, surface depression in the center and firm consistency.

- [F| 9.10 Nonneoplastic polyps: hyperplastic polyps, juvenile polyps, Peutz-Jeghers polyps -

- [F| 9.10 Nonneoplastic polyps: hyperplastic polyps, juvenile polyps, Peutz-Jeghers polyps -

Sigmoid Colon
a-d Small hyperplastic polyps, sessile, 5-10 mm. Pale or same color as surrounding mucosa.
Hyperplastic Polyp Stomach

e Juvenile polyp, ca. 2 cm in size. Luminous red surface, friable, partly eroded.

f Juvenile polyp, stalked, nodular surface, similar to tubular adenoma.

Stalked Peutz-Jeghers polyp with lobular surface.

e Juvenile polyp, ca. 2 cm in size. Luminous red surface, friable, partly eroded.

f Juvenile polyp, stalked, nodular surface, similar to tubular adenoma.

Stalked Peutz-Jeghers polyp with lobular surface.

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