The histopathological examination of the mass of the ampulla of Vater demonstrated intraductal papillary mucinous neoplasm. (ispub.com)
After surgery, the histopathological examination of the mass of the ampulla of Vater demonstrated an intraductal papillary mucinous neoplasm (Figure 2). (ispub.com)
Stage 2 assessed whether the specific criteria defined in Stage 1 could identify pancreatic cystic neoplasms (PCN) including intraductal papillary mucinous neoplasms, mucinous cystic adenoma, or adenocarcinoma in an off-line blinded consensus review. (elsevierpure.com)
Neoplasm2
The high proportion of mitotic cells and resemblance to well-differentiated adenocarcinoma of the large intestine suggested that this neoplasm was adenocarcinoma rather than adenoma. (hindawi.com)
Fungating carcinoma of the colon Edges and margins of an intestinal tumor Adenocarcinoma is a malignant epithelial tumor, originating from superficial glandular epithelial cells lining the colon and rectum. (wikipedia.org)
B) Mucinous carcinoma: Presence of extracellular mucin (>50%) associated with ribbons or tubular structures of neoplastic epithelium. (wikipedia.org)
Adenoma malignum of uterine cervix is a rare variant of well- differentiated carcinoma. (planetayurveda.net)
For colorectal neoplasia, the Korean pathologists identified concurrent intramucosal carcinoma when diagnosing invasive adenocarcinoma, while the presence of desmoplasia was a prerequisite for the diagnosis of invasive adenocarcinoma for the US pathologists. (bvsalud.org)
Tumors3
Although malignant tumors of the main papilla are more common, a number of benign neoplasms also may arise in the periampullary area, including benign adenomas (tubular and villous), lipomas, hamartomas, fibromas, and neurogenic tumors. (medscape.com)
In the 4th edition of WHO classification of tumors of female reproductive organs, primary villoglandular mucinous adenocarcinoma is defined as a primary invasive glandular epithelial tumor of intestinal type and the synonyms are cloacogenic carcinoma or cloacogenic adenocarcinoma [ 1 ]. (hindawi.com)
Related to the fact of its rarity is the fact that more common tumors which frequently metastasize to the liver can be morphologically indistinguishable (eg, pancreatic ductal adenocarcinoma). (bvsalud.org)
Tubular2
Cancer - Histopathologic image of colonic carcinoid Precancer - Tubular adenoma (left of image), a type of colonic polyp and a precursor of colorectal cancer. (wikipedia.org)
These are characterised by irregular cells with hyperchromatic nuclei, pseudostratified nuclei and mitosis, these structures may be tubular, villous or tubullo-villous. (planetayurveda.net)
Sessile4
Adenoma is a tumour of glandular tissue originating from the mucosa of uterus, small intestine or colon, in which tumour cells start to grow, these adenomas may be pedunculated or sessile too. (planetayurveda.net)
Later serrated adenoma was described by Longacre and Fenoglio-Preiser in 1990 1 for a subset of polyps that had both a serrated hyperplastic-like architecture and adenomatous changes or dysplasia, thereafter Torlakovic and Snover characterized a group of patients with serrated adenomatous polyposis, which showed similar features to hyperplastic polyps but with a sessile pattern of growth. (openaccesspub.org)
hyperplastic polyp (HP), sessile serrated adenoma / polyp (SSA/P) with or without cytological dysplasia, and traditional serrated adenoma (TSA). (openaccesspub.org)
Goblet cell hyperplasia is the precursor lesion of adenomas and dysplasia in the classical colorectal cancer pathway, of sessile serrated adenomas and serrated dysplasia in the serrated colorectal cancer pathway, and of flat and elevated dysplasia and dysplasia-associated lesions or masses in IIBD-associated intestinal cancers. (biomedcentral.com)
Tumor4
The most common benign tumor of the ampulla is the villous adenoma. (medscape.com)
Microscopic examination of paraffin-embedded sections (Figure 2 ) disclosed villous adenomatous tumor in continuity with the epidermis. (hindawi.com)
The tumor had a large proportion of mitotic cells and its resemblance to adenocarcinoma of the large intestine was striking. (hindawi.com)
b) Villous adenomatous tumor is observed. (hindawi.com)
Lesion1
Precancer - Colorectal villous adenoma A lesion at least "high grade intramucosal neoplasia" (high grade dysplasia) has: Severe cytologic atypia Cribriform architecture, consisting of juxtaposed gland lumens without stroma in between, with loss of cell polarity. (wikipedia.org)
Invasive3
Micrographs (H&E stain) Cancer - Invasive adenocarcinoma (the most common type of colorectal cancer). (wikipedia.org)
Invasive adenocarcinoma commonly displays: Varying degrees of gland formation with tall columnar cells Frequently desmoplasia Dirty necrosis, consisting of extensive central necrosis with granular eosinophilic karyorrhectic cell detritus. (wikipedia.org)
OBJECTIVES: Misplaced epithelium in adenomas can occasionally be difficult to distinguish from invasive adenocarcinoma. (bvsalud.org)
Histopathology1
The histopathology of colorectal cancer of the adenocarcinoma type involves analysis of tissue taken from a biopsy or surgery. (wikipedia.org)
Glandular2
Depending on glandular architecture, cellular pleomorphism, and mucosecretion of the predominant pattern, adenocarcinoma may present three degrees of differentiation: well, moderately, and poorly differentiated. (wikipedia.org)
An adenoma is a tumour of epithelial tissue with or without glandular characteristics. (planetayurveda.net)
Intestinal2
Primary adenocarcinomas of the vulva are rare and especially the villoglandular mucinous adenocarcinoma of intestinal type is rare variant of vulvar adenocarcinoma. (hindawi.com)
In the published articles [ 2 ], intestinal type mucinous adenocarcinoma was also taken as a synonymous with villoglandular mucinous adenocarcinoma. (hindawi.com)
Adenoma Malignum is often correlated with Peutz-Jeghers syndrome and mucinous tumours of the ovary. (planetayurveda.net)
Colorectal cancer1
The most common form of colon cancer is adenocarcinoma, constituting between 95% and 98% of all cases of colorectal cancer. (wikipedia.org)
Biopsy2
In a series of 52 patients with biopsy-proven ampullary adenomas or carcinomas, Ponchon et al noted a normal endoscopic appearance of the papilla in 37% of patients. (medscape.com)
For gastric neoplasia, Korean pathologists relied heavily on cytoarchitectural atypia, whereas the US pathologists focused on stromal invasion when diagnosing adenocarcinoma. (bvsalud.org)
The most frequent subtype of HP is the one with microvesicular mucinous cells named mivrovesicular hyperplastic polyp (MVHP) this type is characterized with the presence of small droplet mucin in cytoplasm of the most cells. (openaccesspub.org)
Nuclei1
H&E stained sections: (A) Serrated adenocarcinoma: epithelial serrations or tufts (thick blue arrow), abundant eosinophilic or clear cytoplasm, vesicular basal nuclei with preserved polarity. (wikipedia.org)
Colon1
Histologically, papillary adenocarcinomas closely resemble adenocarcinomas of the colon. (medscape.com)
Type1
There is the hypothesis that such misplaced remnants transformed into a tubulovillous adenocarcinoma of enteric type. (hindawi.com)
Traditional1
As per the ancient traditional pathy, Adenoma malignum develops due to aggravation of Vata, Rakta, and Mamsa Dhatu. (planetayurveda.net)
Surgery1
In modern medication the primary and main method of treatment for adenoma malignum is surgery. (planetayurveda.net)
Primary2
Almost all primary papillary cancers are adenocarcinomas, although sarcomas, lymphomas, carcinoid, and islet-cell cancers also have been reported. (medscape.com)
One series of 34 primary papillary adenocarcinomas reported that 20% were well differentiated, 68% were moderately differentiated, and 6% were poorly differentiated. (medscape.com)