| The infiltrative nature of the mass suggested malignancy, and ductal resection was deemed necessary for adequate margins. |
| It can appear as a solid infiltrative lesion or as a polypoid intraluminal mass that arises in the base of the bladder or in the region of the bladder trigone. |
| In infiltrative diseases or other causes of chronic splenomegaly the spleen is very firm, often approaching the hardness of the cirrhotic liver. |
| Amyloidosis and other infiltrative diseases, including sarcoidosis and haemochromatosis, can cause a restrictive syndrome. |
| An infiltrative appearance due to presence of the hyperplastic foci between benign glands may be seen. |
| The tumor typically shows features of angiosarcoma including vasoformative architecture with hobnailed appearance and it has infiltrative margins. |
