Ampulla of Vater Carcinoma Adenocarcinoma Author: Hanni Gulwani, M.D. (see Authors page) Revised: 13 August , last major update August May Pages Full text access. Adenoma velloso de la ampolla de Vater. A propósito de un caso. Villous adenoma of Vater’s ampulla. A case report. RELATOS DE CASOS. Adenoma viloso da ampola de Vater. Ampolla of Vater’s benign villous adenoma. Julio Cesar Wiederkehr, TCBC-PRI; Julio Cezar Uili.

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The ampulla of Vateralso hepatopancreatic ampullais found in the duodenum.

It has a unique histology and is a relatively amlolla site of disease, when duodenal pathology is considered. Papilla of Vater the projection into the duodenal lumen: Villous appearing duodenal mass of ampulla, secondary to ampullary duct obstruction.

Plicae show expansion of stroma by edema with inflammation including neutrophils neutrophils not shownby foci avter lamina propria hemorrhage red arrowsand by dilated lymphatics black arrows. Nuclei in the proliferated area show striking anisokaryosis and anisonucleosis, as well as hyperchromasia.

Mujer de 56 años con adenocarcinoma de la ampolla de Vater y pancreatitis aguda

Note the mitosis arrow. This notwithstainging, there is an appearance of connection between the ducts. Neither are there half glands or aberrant isolated cells. Dependent on histologic subtype: Invasive carcinoma of duodenal ampulla, intestinal type.


Tumors of ampulla of Vater: A case series and review of chemotherapy options

Ki67 stain establishes adenoma by surface extension of brown nuclei X. The lesion was a mass, prompting rebiopsy.

The cauterized fragment shows disorderly spread of glands, with dilated glands at base [arrows] not readily explained by obstruction 40X D. Two cancerous prongs, one on left [black arrow], one on right [blue arrow] each show spread about muscle fibers X.

qdenoma The Whipple resection showed the same dilated spreading glands [arrows] at base, redolent of the spread of some well-differentiated colonic adenocarcinomas through muscle 40X. An isolated tumor fragment black arrow and two fragments with tumor undermining small intesatinal mucosa green arrows are seen.

Large, ovoid cancer nuclei with abundant grey cytoplasm form sheets with only rare acini arrow. Tumor cells are CK7 positive. Tumor cells are CK20 negative. Portal ampollaa black arrows are expanded, lacking intense inflammation. A septal duct green arrow lacks definite onion skinning.


Proliferated peripheral bile ductules black arrows sometimes have neutrophils white arrowwhich should not be interpreted as ascending cholangitis.

Next to the artery red arrow lies the bile duct yellow arrowwhich has disturbed nuclei, but no neutrophils. Note occasional eosinophils cyan arrows. Hepatocytes with feathery degeneration. Arrows point to dilated cholangioles, one filled with a bile plug. Features – any of the following characteristics: Am J Surg Pathol. Sternberg’s Diagnostic Surgical Pathology 5th ed.

Adenoma velloso de la ampolla de Vater. A propósito de un caso | Cirugía Española

Am J Clin Pathol 4: Surg Innov 11 4: J Gastrointest Surg 1 5: J Hepatobiliary Pancreat Surg 11 5: Am J Surg 4: Mod Pathol 16 3: Mod Pathol 13 World J Surg 24 1: Retrieved from ” https: Navigation menu Personal tools Adenom in. Views Read View source View history.

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