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Frequency and Molecular Characteristics of Mismatch Repair-deficient Status among Multiple Synchronous Colorectal Cancers.
J Anus Rectum Colon
January 2025
Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Kawagoe, Japan.
Objectives: Mismatch repair (MMR)-deficient (dMMR) colorectal cancer (CRC) have been largely categorized into three subtypes: methylated, Lynch syndrome (LS)-associated, and Lynch-like syndrome (LLS)-associated. No studies have examined the prevalence and subtypes of synchronously diagnosed dMMR CRCs in detail. Therefore, this study aimed to examine the frequency and molecular characteristics of the dMMR status among multiple synchronous CRCs to clarify the clinical significance of identifying patients with such tumors.
View Article and Find Full Text PDFShort- and Long-term Outcomes of One-stage Radical Resection and Anastomosis without Preoperative Decompression and Diverting Stoma between Incomplete Obstructive and Non-obstructive Left-sided Colorectal Cancer: A Retrospective Observational Study.
J Anus Rectum Colon
January 2025
Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan.
Objectives: This study aimed to evaluate the safety and long-term outcomes of a one-stage resection and anastomosis approach without preoperative decompression in patients with left-sided incomplete obstructive colorectal cancer.
Methods: We conducted a retrospective analysis of 571 patients diagnosed with pT3-4NanyM0 left-sided colorectal cancer who underwent radical resection and primary anastomosis without preoperative decompression or a diverting stoma from April 2012 to December 2019. Of these, 97 (17%) patients presented with incomplete obstruction, while 474 (83%) had no obstruction.
Oncologic Impact of Conservative Treatment Compared with Surgical Treatment of Anastomotic Leakage Following Colorectal Cancer Surgery: A Retrospective Study.
J Anus Rectum Colon
January 2025
Department of Surgery, Ageo Central General Hospital, Ageo, Japan.
Objectives: Differences in oncological outcomes between conservative and surgical treatments for anastomotic leakage (AL) in patients undergoing colorectal cancer surgery remain unclear.
Methods: From July 2011 to June 2020, 385 patients underwent curative resection with double-stapling anastomosis for left-sided colon and rectal cancers. Among them, 33 patients who experienced AL were retrospectively evaluated and categorized into two groups: conservative (n = 20) and surgical (n = 13).
A Rare Case of Poorly Differentiated Neuroendocrine Carcinoma of the Descending Colon with Regional Lymph Node Involvement Presenting in a Young Adult Nigerian Male: A Case Report.
Niger Med J
January 2025
Department of Haematology, University of Sussex Hospital NHS Foundation Trust, United Kingdom.
Malignant colonic neuroendocrine tumours are rare. Even more uncommon is their occurrence in the left colon. They also infrequently occur in males and young adults.
View Article and Find Full Text PDFAnatomical Location of the Bowel in Different Surgical Positions: Implications for Lateral Access in Prone Single-Position Surgery.
Spine (Phila Pa 1976)
January 2025
Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona.
Study Design: Radiographic analysis.
Objective: Evaluate the anatomical relationships of the bowel to the lateral surgical corridor and the spine in various surgical positions.
Summary Of Background Data: Retroperitoneal transpsoas lateral lumbar interbody fusion (LLIF) may be performed with patients in the prone position, allowing for lateral and posterior approaches to the spine without repositioning the patient.
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