Results 51 to 60 of about 991,222 (371)

Tumoral Intraductal Neoplasms of the Bile Ducts Comprise Morphologically and Genetically Distinct Entities.

open access: yesArchives of Pathology & Laboratory Medicine, 2023
CONTEXT.— Tumoral (grossly visible) intraductal neoplasms of the bile ducts are still being characterized. OBJECTIVE.— To investigate their morphologic, immunohistochemical, and molecular features. DESIGN.— Forty-one cases were classified as gastric-,
Tao Wang   +15 more
semanticscholar   +1 more source

Immunohistochemical study of Ki-67 expression in the tumor cells and the stromal cells of colorectal adenocarcinoma

open access: yesPatologìâ, 2016
Colorectal cancer is the third most common cancer in men and the second in women. Aim. The aim of this research was to compare the expression levels of Ki-67 in the tumor cells and the stromal cells of colorectal adenocarcinoma, and also to study the ...
M. A. Shyshkin
doaj   +1 more source

Some considerations on the WHO Histological classification of laryngeal neoplasms [PDF]

open access: yes, 2019
A new edition of the World Health Organization (WHO) Histological classification of tumours of the hypopharynx, larynx, trachea and parapharyngeal space was published in 2017.
Devaney, Kenneth O.   +3 more
core   +2 more sources

Two distinct aetiologies of cardia cancer, evidence from premorbid serological markers of gastric atrophy and Helicobacter pylori status [PDF]

open access: yes, 2007
Background: Non-cardia gastric adenocarcinoma is positively associated with Helicobacter pylori infection and atrophic gastritis. The role of H pylori infection and atrophic gastritis in cardia cancer is unclear.
Aase, S.   +7 more
core   +2 more sources

Long-term Outcomes after Endoscopic Submucosal Dissection for Large Colorectal Epithelial Neoplasms: A Prospective, Multicenter, Cohort Trial from Japan.

open access: yesGastroenterology, 2022
BACKGROUND AND AIMS To determine the long-term outcomes after colorectal endoscopic submucosal dissection (ESD), we conducted a large, multicenter, prospective cohort trial with a 5-year observation period.
K. Ohata   +23 more
semanticscholar   +1 more source

Pancreatic tumors imaging: an update [PDF]

open access: yes, 2016
Currently, ultrasound (US), computed tomography (CT) and Magnetic Resonance imaging (MRI) represent the mainstay in the evaluation of pancreatic solid and cystic tumors affecting pancreas in 80-85% and 10-15% of the cases respectively. Integration of US,
Baccari, Paolo   +8 more
core   +1 more source

Management of Appendix Neuroendocrine Neoplasms: Insights on the Current Guidelines

open access: yesCancers, 2022
Appendiceal neuroendocrine neoplasms (ANENs) usually present as incidental findings at the time of appendectomy for acute appendicitis. They are rare, accounting for only 0.5–1% of intestinal neoplasms; they are found in 0.3–0.9% of all appendectomy ...
A. Mohamed   +7 more
semanticscholar   +1 more source

Value of Ascitic Lipids in the Differentiation between Cirrhotic and Malignant Ascites [PDF]

open access: yes, 1986
Ascitic fluid concentrations of cholesterol, triglycerides and phospholipids, were compared with ascitic fluid total protein in 40 patients with chronic liver disease, 51patients with various neoplasms and 1 patient with cardiac failure.
Alexander L. Gerbes   +22 more
core   +1 more source

Intratumor Microbiome in Neuroendocrine Neoplasms: A New Partner of Tumor Microenvironment? A Pilot Study

open access: yesCells, 2022
Neuroendocrine neoplasms (NENs) are rare neoplasms with heterogeneous clinical behavior. Alteration in human microbiota was reported in association with carcinogenesis in different solid tumors.
S. Massironi   +8 more
semanticscholar   +1 more source

An Intestinal Lipoma Presenting as a Case of Intussusception [PDF]

open access: yesInternational Journal of Anatomy Radiology and Surgery, 2017
Intussusception is a process of invagination of proximal bowel into distal part. Although, most of the cases in children are idiopathic. Neoplasms (benign or malignant) are the most common causes reported in the adults.
Ipsita Acharya, Sanjib Das
doaj   +1 more source

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