LAPERTOSA G

Immunocytochemical staining for alpha smooth muscle actin specifically reveals the distribution of the muscularis mucosae and peripheral intramucosal smooth muscle fibers in the normal mucosa and polyps of the large intestine. In the latter, the muscular component is hyperplastic, especially in pedunculated polyps, which display a thick...

We have previously reported the presence of smooth muscle cells (SMCs) in the lamina propria of both tubular and villous adenomatous polyps. In the current study, we investigated the presence and distribution of SMCs with immunohistochemical techniques using anti-alpha smooth muscle actin and anti- desmin antibodies on a series of hamartomatous...

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The subgroup of mucinous ovarian cystomas of intestinal type containing site 8 O-acetylated sialomucins and its relation to malignant behavior were studied. Of 75 mucinous cystomas of the ovary from the files of the Institute of Pathological Anatomy and Histology (University of Genoa), 54 were endocervical, 19 were mixed, and 2 were intestinal....

The authors tested Victoria blue staining in intrahepatocytic HBs Ag detection and compared the results with those obtained by the following methods: direct immunofluorescence, orcein and peroxidase-antiperoxidase (PAP). Although PAP appears to be the best technique for diagnostic research, Victoria blue is a sound method for routine diagnosis...

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