Anticancer therapeutic effect of magnetic guided cobalt ferrite/doxorubicin-loaded ROS-responsive bilirubin nanoparticles in a colon cancer model.

Purpose: The aim of this study is to synthesize the cobalt iron oxide (CoFe) and doxorubicin (Dox)-loaded chitosan bilirubin (ChiBil) nanoparticles and to investigate the anticancer therapeutic effect of the synthesized nanoparticles under magnetic guidance in a colon cancer.

Materials And Methods: ChiBil-CoFe-Dox nanoparticles were synthesized by conjugating CoFe and Dox and then loaded onto ChiBil nanoparticles. Synthesis were characterized using thermogravimetric (TGA) analysis, inductive coupled plasma (ICP) analysis, dynamic light scattering (DLS), zeta potential and field emission-transmission electron microscopy (FE-TEM).

Laparoscopic approach in the surgical treatment of large retrorectal tumors: a short-term experience at a single tertiary center case series in Korea.

Retrorectal tumors, although rare, pose diagnostic and treatment challenges due to their nonspecific symptoms and complex anatomical location. This single-center case series reports short-term outcomes of laparoscopic transabdominal resection as a surgical approach for large retrorectal tumors. Between 2017 and 2020, five patients underwent this procedure.

Modified underwater endoscopic mucosal resection for intermediate-sized sessile colorectal polyps.

Introduction: Underwater endoscopic mucosal resection (UEMR) is effective for treating intermediate-sized colorectal polyps. However, it is sometimes difficult to obtain visibility in underwater conditions.

Methods: This prospective, observational, single-center study included consecutive patients with intermediate-sized (10-20 mm) sessile colorectal polyps.

A comparative study between transanal and transabdominal approaches in treatment of complete rectal prolapse.

Unlabelled: Formulating clear guidelines for the most reliable treatment methods for complete rectal prolapse appears challenging. The authors designed this study to compare the results according to the approaches for female complete rectal prolapse and to suggest a more effective method. The transanal and abdominal groups showed differences in operating time, hospital stay, and recurrence rate.

Comparison of abdominal and perineal approach for recurrent rectal prolapse.

Purpose: Rectal prolapse is a benign disease in which the rectum protrudes below the anus. Although many studies have been reported on the treatment of primary rectal prolapse for many years, there is a lack of treatment or clinical research results on recurrent rectal prolapse. This study aimed to evaluate the outcomes of surgical approaches for recurrent rectal prolapse.

A comparative study on the surgical options for male rectal prolapse.

Purpose: Rectal prolapse is known to be a rare condition in males compared to females. This study aimed to analyse the frequency of male rectal prolapse and compare the results of different surgical approaches performed at a single centre.

Patients And Methods: The authors included patients who underwent surgical treatment for rectal prolapse from March 2016 to February 2021.

Activation and increased production of interleukin-17 and tumour necrosis factor-α of mucosal-associated invariant T cells in patients with periodontitis.

Aim: Mucosal-associated invariant T (MAIT) cells are known to be resident in oral mucosal tissue, but their roles in periodontitis are unknown. This study aimed to examine the level and function of MAIT cells in periodontitis patients.

Materials And Methods: Frequency, activation, and function of MAIT cells from 28 periodontitis patients and 28 healthy controls (HCs) were measured by flow cytometry.

Altered distribution, activation and increased IL-17 production of mucosal-associated invariant T cells in patients with acute respiratory distress syndrome.

Objective: Mucosal-associated invariant T (MAIT) cells are a subset of innate-like T cells that are engaged in a number of diseases, but their roles in acute respiratory distress syndrome (ARDS) are not fully examined yet. This study aimed to examine levels and functions of MAIT cells in patients with ARDS.

Methods: Peripheral blood samples from patients with ARDS (n=50) and healthy controls (HCs, n=50) were collected.

Proper surgical extent for clinical Stage I right colon cancer.

Purpose: Pre-operative evaluation identifying clinical-stage affects the decision regarding the extent of surgical resection in right colon cancer. This study was designed to predict a proper surgical resection through the prognosis of clinical Stage I right colon cancer.

Patients And Methods: We included patients who were diagnosed with clinical and pathological Stage I right-sided colon cancer, including appendiceal, caecal, ascending, hepatic flexure and proximal transverse colon cancer, between August 2010 and December 2016 in two tertiary teaching hospitals.

Recurrent bleeding after posthemorrhoidectomy caused by factor V deficiency: a case report and review of the literature.

Congenital factor V (FV) deficiency is a rare hemorrhagic disorder that can cause excessive bleeding during and after surgery in the affected patient. This report is the case of a patient who had FV deficiency with recurrent posthemorrhoidectomy bleeding treated with the hemostatic procedure and fresh frozen plasma (FFP) transfusions. A 45-year-old male patient had previously undergone hemorrhoidectomy for multiple hemorrhoids at a local hospital.

Cytomegalovirus colitis induced segmental colonic hypoganglionosis in an immunocompetent patient: A case report.

Background: Cytomegalovirus (CMV) colitis is usually seen in immunocompromised patients with risk factors such as human immunodeficiency virus infection, solid organ transplant, inflammatory bowel disease, or malignancy. Therefore, many clinicians usually do not consider the possibility of CMV colitis in immunocompetent patients. We reported a rare case of segmental colonic hypoganglionosis associated with CMV colitis in an immunocompetent patient.

Circulating Plasmacytoid and Conventional Dendritic Cells Are Numerically and Functionally Deficient in Patients With Scrub Typhus.

Background: Dendritic cells (DCs) are specialized antigen-presenting cells known to bridge innate and adaptive immune reactions. However, the relationship between circulating DCs and infection is unclear. Therefore, this study aimed to examine the level and function of plasmacytoid DCs (pDCs) and conventional DCs (cDCs), two subsets of circulating DCs, in scrub typhus patients.

Expression of Cyr61 is associated with clinical course in patients with Crohn's disease.

Backgrounds: Cysteine-rich angiogenic inducer 61 (Cyr61) is emerging as an important regulator of tissue homeostasis and wound repair. We aim to explore the colonic mucosal expression of Cyr61 and analyze the association between Cyr61 expression and clinical course in patients with Crohn's disease (CD).

Methods: Endoscopic samples were identified from 83 CD patients with and 372 controls by searching pathological reports.

The Relationship Between High-Output Stomas, Postoperative Ileus, and Readmission After Rectal Cancer Surgery With Diverting Ileostomy.

Purpose: This study aimed to evaluate the relationship between high-output stomas (HOSs), postoperative ileus (POI), and readmission after rectal cancer surgery with diverting ileostomy.

Methods: We included 302 patients with rectal cancer who underwent restorative resection with diverting ileostomy between January 2011 and December 2015. HOSs were defined as stomas with ≥ 2,000 mL/day output.

Tailored treatment of anastomotic leak after rectal cancer surgery according to the presence of a diverting stoma.

Purpose: A variety of clinical features of anastomotic leak occur during the surgical treatment of rectal cancer. However, little information regarding management of leakage is available and treatment guidelines have not been validated. The aim of this study was to evaluate the validity of currently proposed expert opinions on the management of anastomotic leak, after low anterior resection for rectal cancer.

Activation, Deficiency, and Reduced IFN-γ Production of Mucosal-Associated Invariant T Cells in Patients with Inflammatory Bowel Disease.

Mucosal-associated invariant T (MAIT) cells are innate-like T cells that can activate either in response to T-cell receptor (TCR) engagement or through activating cytokines and play an important role in autoimmune disorders. The study examined the level and function of MAIT cells in patients with inflammatory bowel disease (IBD). Circulating MAIT cell levels were significantly reduced in IBD patients.

Surgical approach for acute ischemic colitis after scuba diving: A case report.

The clinical manifestations that may occur due to decompression during scuba diving vary widely, but only mild symptoms have been reported mainly in the gastrointestinal tract. In particular, ischemic colitis caused by air embolism is rare. We report a case of full-thickness ischemic colitis treated with failed conservative treatment but successfully treated surgically.

Is radical surgery for clinical stage I right-sided colon cancer relevant? A retrospective review.

Purpose: Radical lymph node dissection for right-sided colon cancer is technically challenging. No clear guideline is available for surgical resection of clinical stage I right-sided colon cancer. This study was designed to review the pathologic stage of clinical stage I right-sided colon cancer and determine the relevant extent of surgical resection.

A prospective study of discrepancy between clinical and pathological diagnosis of appendiceal mucinous neoplasm.

Purpose: Appendiceal tumoral lesions can occur as benign, malignant, or borderline disease. Determination of the extent of surgery through accurate diagnosis is important in these tumoral lesions. In this study, we assessed the accuracy of preoperative CT and identified the factors affecting diagnosis.

Laparoscopic Resection of a Huge Retrorectal Tumor.

Retrorectal space tumors are rare, and so are frequently unrecognized, misdiagnosed, and mistreated. A 57-year-old man visited the outpatient clinic with the chief complaints of thin stool and lower pelvic heaviness. A smooth, round huge palpable mass on the right posterolateral rectal wall was detected and pelvic computed tomography showed a 7.

Altered distribution and enhanced osteoclastogenesis of mucosal-associated invariant T cells in gouty arthritis.

Objective: This study was designed to investigate the role of mucosal-associated invariant T (MAIT) cells in gouty arthritis (GA) and their effects on osteoclastogenesis.

Methods: Patients with GA (n = 61), subjects with hyperuricaemia (n = 11) and healthy controls (n = 30) were enrolled in this study. MAIT cells, cytokines, CD69, programmed death-1 (PD-1) and lymphocyte-activation gene 3 (LAG-3) levels were measured by flow cytometry.

Thirty-Day Readmission After Elective Colorectal Surgery for Colon Cancer: A Single-Center Cohort Study.

Purpose: There is a concern that enhanced recovery after surgery may affect other proposed quality measures, including the rate of readmission due to early discharge. We examine the 30-day readmission rate, risk factors associated with readmission after elective colorectal surgery for colon cancer, causes of readmission, disease-free survival (DFS), and overall survival (OS) in a single institution.

Methods: We retrospectively investigated 292 patients who underwent elective colorectal surgery for colon cancer between 2010 and 2015.

Immunological Differences Between Right-Sided and Left-Sided Colorectal Cancers: A Comparison of Embryologic Midgut and Hindgut.

Purpose: There are known differences in embryology, clinical symptoms, incidences, molecular pathways involved, and oncologic outcomes of right-sided and left-sided colorectal cancers. However, immunologic study has only been characterized for healthy adults. The present study was designed to identify differences in immune cell populations in patients with right-sided and left-sided colorectal cancers.