Table 1. Giant villous tumor of rectum in recent literature with size and malignant potential
S no. | Author | Size | Histopathology |
|---|---|---|---|
1. | Rickenbacher A, Bauerfeind P et al. [12] | 1. 15 cm 2. – 3. 8 cm | -Low-grade dysplasia -High-grade dysplasia -Giant tubulovillous adenoma with a small focus of invasive carcinoma |
2. | Durán-MartÃnez M, Medina-Fernández FJ et al. [13] | 10 × 8 × 4 cm | Giant villous adenoma high-grade dysplasia |
3. | van der Pool AEM, de Graaf EJR et al. [14] | 1. 12 cm 2. 24 cm2 3. 5–14 cm or 99 cm2 | -Villous adenoma -Villous adenoma with high-grade dysplasia and intramucosal carcinoma -Villous adenoma with low-grade dysplasia |
4. | Agnes A, Novelli D et al. [15] | 9 cm | Villous adenoma with areas of intramucosal adenocarcinoma and high-grade dysplasia |
5. | Challis BG, Lim CT et al. [16] | 10 cm | Tubulovillous adenoma exhibiting moderate to low-grade dysplasia |
6. | Okano M, Okuyama M et al. [17] | 10 cm | Â |
7. | Mois EI, Graur F et al. [18] | 14 cm | Low-grade dysplasia with focal high-grade dysplasia |
8. | Nakhla SG, Murakami TT et al. [19] | 17 cm | Large rectal villous adenoma coexistent with a poorly differentiated neuroendocrine tumor of the rectum |
9. | Kure K, Kawai M et al. [20] | 12.7 × 11.5 cm | Mostly tubulovillous adenoma, but partially moderately differentiated adenocarcinoma. |
10. | Das P, Vijay MK et al. [21] | 8.5 × 6 × 4 cm | Giant villous adenoma with low-grade dysplasia |
11. | Ohtsuka M, Hata T et al. [22] | Â | Concurrent adenocarcinoma |
12. | Roriz-Silva R, Andrade AA et al. [23] | 14 cm | Villous adenoma with low-grade atypia |
13. | Aboul Hosn M, Abdel-Hafiez N et al. [24] | 12 cm | No evidence of invasive carcinoma |
14. | Barendse RM, van den Brandt S et al. [25] | 9 cm | Villous adenoma with focal high-grade dysplasia |
15. | Choi WH, Ryuk J et al. [26] | 25 cm × 12 cm | Well-differentiated adenocarcinomas arising in villotubular adenomas |
16. | Tuţă LA, Boşoteanu M et al. [27] | 12 × 10 cm | Well-differentiated adenocarcinoma arising within a villous adenoma. |
17. | Dagan A and Reissman P [28]. | 31 cm | Low- to high-grade dysplasia |
18. | Cubuk R, Tasali N et al. [29] | 17 × 9 cm | Villous adenoma without high-grade dysplasia |
19. | Koning GG, Rensma PL et al. [30] | 15 × 8 | Low-grade dysplasia |
20. | Nagri S, Eskaros S et al. [31] | 8 × 5 × 4 cm | Giant villous adenoma with high-grade dysplasia |
21. | Bains L, Lal P et al. (current case) | 16 × 12 cm | Giant villous adenoma of the rectum with moderate to severe dysplasia |