carcinoma of the gallbladder contains cells with intracytoplasmic mucin,
which displaces the nuclei toward the periphery.
1) Low power : Signet-ring cell carcinoma
of the gallbladder.
with intracytoplasmic mucin. The nuclei is displaced to the periphery.
characteristic feature of the tumour is spreading laterally through
the lamina propria.
tumour is confined to the surface epithelium or invaginations
(Rokitansky-Aschoff sinuses), it may be regarded as an in-situ
invasion occurs, the cells grow in cords, nests, and sheets
and may form incomplete glandular structures within a
submucosal growth can be a prominent feature of signet-ring
cell tumours and may occasionally resemble linitis plastica
of the stomach.