Histological findings in 38 hyperplastic and neoplastic lesions of the appendix found in 4934 appendicectomy specimens received at the department of pathology, Karolinska University Hospital between 1993 and 2003
| Histology | LGD | HGD | Invasive carcinoma | Total |
|---|---|---|---|---|
| *In one of the 8 invasive carcinomas without adenomatous remnants, a hyperplasic polyp was found adjacent to the tumour. | ||||
| HGD, high grade dysplasia; LGD, low grade dysplasia. | ||||
| Hyperplastic polyp | 4 | |||
| Serrated adenoma | 4 | 2 | 4 | 10 |
| Villous adenoma | 3 | 2 | 11 | 16 |
| Invasive carcinomas without adenomatous remnants | 8* | |||
| Total | 7 | 4 | 15 | 38 |