Results 61 to 70 of about 2,613 (204)

Mucocele of the appendix presenting as an exacerbated chronic tubo-ovarian abscess: A case report and comprehensive review of the literature. [PDF]

open access: yes, 2019
Appendiceal mucocele is a rare entity of mucinous cystic dilatation of the appendix. It has no typical clinical presentation and is considered a potentially premalignant condition.
Abu Zidan   +61 more
core   +2 more sources

Impact of Body Weight Loss During Preoperative Chemoradiotherapy on Prognosis of Patients With Lower Rectal Cancer

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
The present study aimed to investigate the relationship between changes in body weight and composition during chemoradiotherapy, such as the psoas muscle mass index, visceral fat index, and subcutaneous fat index obtained from computed tomography images, and long‐term outcomes in rectal cancer patients.
Shinya Abe   +9 more
wiley   +1 more source

Appendiceal Mucocele Managed with Right Hemicolectomy in a Middle-aged Male: A Case Report [PDF]

open access: yesJournal of Clinical and Diagnostic Research
Appendiceal mucocele is a rare but clinically significant entity, defined as mucinous distension of the appendix due to various aetiologies, ranging from benign to malignant.
Rs Sharan Dhev   +4 more
doaj   +1 more source

Prognostic Impact of Histologic Subtypes in Mismatch Repair‐Deficient/Microsatellite Instability‐High Colorectal Cancer: A Single‐Center Retrospective Study of 1127 Stage 0–IV Patients

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
ABSTRACT Background Deficient mismatch repair/microsatellite instability‐High (dMMR/MSI‐H) colorectal cancer (CRC) generally confers a favorable survival yet is paradoxically enriched for poorly differentiated (Por) histology, which is linked to aggressive behavior.
Tomoyuki Momma   +9 more
wiley   +1 more source

Operative Management of Cecal Volvulus Herniating Through the Foramen of Winslow [PDF]

open access: yes, 2022
Cecal volvulus is a surgical emergency which is associated with the risk for bowel ischemia and perforation. Occasionally, volvulus can be caused by an internal hernia.We report the case of a 73-year-old woman with no prior surgical history who had ...
Alkoraishi, Ahmed   +3 more
core   +2 more sources

Diagnostic pitfalls in low grade appendiceal mucinous neoplasms

open access: yesBiomedicine, 2023
Primary neoplasms of the appendix are present in less than 2% of appendicectomy specimens. Appendiceal mucinous neoplasm is a rare malignancy which is found in less than 0.3% of appendicectomy specimens and accounts for around 1% of gastrointestinal neoplasms.
Lovely George   +3 more
openaire   +1 more source

Independent Prognostic Significance of Perforation in Colorectal Cancer: Insights From a Propensity Score‐Matched Cohort Study

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
Perforated colorectal cancer (PCC) is considered to have a poor prognosis; however, it remains unclear whether this is attributable to perforation itself or to perforation‐related clinicopathological factors. In this study, we analyzed prognosis using propensity score matching with perforation‐related factors and demonstrated that perforation is an ...
Yoshiaki Fujii   +8 more
wiley   +1 more source

Appendiceal mucinous neoplasm, a rare diagnosis within gastrointestinal tumors. Case report

open access: yesCirugía y Cirujanos, 2022
Appendicular neoplasms are rare tumors, with an incidence of less than 0.05% among all gastrointestinal tumors. This work presents the case of a 52-year-old patient who manifested colicky pain in the right iliac fossa.
Daniela Suárez-Velázquez   +6 more
doaj   +1 more source

Changes in the 6th edition of the World Health Organization classification of tumours of the digestive system

open access: yesHistopathology, Volume 88, Issue 7, Page 1295-1314, June 2026.
Changes and new entities in the 6th edition WCT of the digestive system, including structural, molecular, and diagnostic updates to standardize terminology and improve clinical relevance. Epithelial tumours are organized by site; neuroendocrine, mesenchymal and haematolymphoid tumours have dedicated chapters, with refined grading, redefined ...
Mark J Arends   +48 more
wiley   +1 more source

Neuroendocrine tumours of the female genital tract: a case-based imaging review with pathological correlation [PDF]

open access: yes, 2015
Background Both primary and secondary gynaecological neuroendocrine (NE) tumours are uncommon, and the literature is scarce concerning their imaging features.
Callé, Catarina   +4 more
core   +1 more source

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