Purpose Obesity has been known to contribute to technical difficulties in surgery. Until now, body mass index (BMI) has been used to measure obesity. However, there are reports that BMI does not always correspond to the visceral fat. Recently, bioelectrical impedance analysis (BIA) has been used for body composition analysis. This study aimed to evaluate the usefulness of the body composition index obtained using a BIA device in predicting short-term postoperative outcomes.
Methods Data of patients who underwent elective major colorectal surgery using minimally invasive techniques were reviewed retrospectively. Body composition status was recorded using a commercial BIA device the day before surgery. The relationship between BMI, body composition index, and short-term postoperative outcomes, including operative time, was analyzed.
Results Sixty-six patients were enrolled in this study. In the correlation analysis, positive correlation was observed between BMI and body composition index. BMI and body composition index were not associated with short-term postoperative outcomes. Percent body fat (odds ratio, 4.226; 95% confidence interval [CI], 1.064–16.780; P=0.041) was found to be a statistically significant factor of prolonged operative time in the multivariate analysis. Correlation analysis showed that body fat mass was related to prolonged operative time (correlation coefficients, 0.245; P=0.048). In the area under curve analysis, body fat mass showed a statistically significant predictive probability for prolonged operative time (body fat mass: area, 0.662; 95% CI, 0.531–0.764; P=0.024).
Conclusion The body composition index can be used as a predictive marker for prolonged operative time. Further studies are needed to determine its usefulness.
Simple perinephric adipose tissue measurement for prediction of failed sentinel lymph node mapping in endometrial cancer Lina Salman, Paulina Cybulska, Ryley Fowler, Manjula Maganti, Ur Metser, Sarah E. Ferguson International Journal of Gynecological Cancer.2025; 35(11): 101949. CrossRef
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Purpose Identification of type I protein arginine methyltransferase (PRMT) substrates and their functional significance during tumorigenesis is becoming more important. The present study aimed to identify target substrates for type I PRMT using 2-dimensional (2D) gel electrophoresis (GE) and 2D Western blotting (WB).
Methods Using immunoblot analysis, we compared the expression of type I PRMTs and endogenous levels of arginine methylation between the primary colorectal cancer (CRC) and adjacent noncancerous tissues paired from the same patient. To identify arginine-methylated proteins in HCT116 cells, we carried out 2D-GE and 2D-WB with a type I PRMT product-specific antibody (anti-dimethyl-arginine antibody, asymmetric [ASYM24]). Arginine-methylated protein spots were identified by mass spectrometry, and messenger RNA (mRNA) levels corresponding to the identified proteins were analyzed using National Center for Biotechnology Information (NCBI) microarray datasets between the primary CRC and noncancerous tissues.
Results Type I PRMTs and methylarginine-containing proteins were highly maintained in CRC tissues compared to noncancerous tissues. We matched 142 spots using spot analysis software between a Coomassie blue (CBB)-stained 2D gel and 2D-WB, and we successfully identified 7 proteins that reacted with the ASYM24 antibody: CACYBP, GLOD4, MAPRE1, CCT7, TKT, CK8, and HSPA8. Among these proteins, the levels of 4 mRNAs including MAPRE1, CCT7, TKT, and HSPA8 in CRC tissues showed a statistically significant increase compared to noncancerous tissues from patients using the NCBI microarray datasets.
Conclusion Our results indicate that the method shown here is useful in identifying arginine-methylated proteins, and significance of arginine modification in the proteins identified here should be further identified during CRC development.
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Purpose Hemostasis can be achieved by various methods, but it can be difficult to stop active bleeding in the pelvis. An effective method is described to stop massive active bleeding in the pelvis during colorectal surgery.
Methods When there were massive bleedings in the pelvis, 3 to 5 Foley catheters were inserted through stab wounds on the abdomen. The tips of catheters were placed in the pelvis. Each balloon was inflated with 40 mL of sterile water. The water inside each balloon was removed gradually from the third postoperative day. If there is no further bleeding, all catheters were removed on the 7th postoperative day.
Results There were 8 patients (4 males and 4 females) with massive pelvic bleeding encountered from January 1998 to December 2018. Four patients underwent low anterior resection for primary rectal cancer, 2 patients for colon cancer with pelvic recurrence, 1 patient for ovary cancer with pelvic recurrence, and 1 patient for presacral parachordoma with a bleeding tendency. All of the patients survived without further bleeding after surgery.
Conclusion The technique is a simple method to control massive pelvic bleeding during colorectal surgery. It is also inexpensive and effective even in patients with a bleeding tendency.
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Actinomycosis is an inflammatory disease with various clinical presentations including inflammation and formation of masses. There are several reports suggesting the infiltrative mass-like nature of actinomycosis that is misunderstood as a tumor. A 39-year-old male clinically presented with a fungating mass-like lesion during colonoscopy for healthcare screening. Biopsy was performed for the lesion, and chronic inflammation was diagnosed. Abdominal computed tomography (CT) suggested severe edematous changes in the appendix with an appendicolith, suspected chronic inflammation, and wall thickening of the cecal base, but malignancy could not be definitively ruled out. The patient underwent a laparoscopic single-port cecectomy based on the possibility of cecal cancer. The final biopsy was diagnosed as actinomycosis, and the patient was prescribed antibiotics and showed no recurrence in the follow-up CT scan. We present this rare case of mass-like appendiceal actinomycosis treated with the single-port laparoscopic method.
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Purpose Small bowel obstruction (SBO) is a common disease that requires hospitalization. The most common cause of SBO is postoperative adhesion. Delayed timing of operations in patients who need surgical intervention results in mortality or morbidity. A number of studies on SBO have established criteria for emergency surgery. However, few objective clinical parameters are available for screening patients who need a delayed operation. Therefore, we analyzed factors that affect the clinical course of SBO to select appropriate therapeutic plans for reducing the risk of complications in these patients.
Methods We investigated the clinical characteristics of patients admitted to the surgery department of our hospital between January 1, 2015, and December 31, 2016, who were diagnosed with SBO. Patients were divided into an operative treatment group (n = 12) and a conservative treatment group (n = 96). We compared clinical characteristics between the 2 groups.
Results The operative treatment group underwent more operations before SBO than the conservative treatment group (P = 0.007). Initial leukocyte counts (P = 0.004) and C-reactive protein (CRP) levels (P = 0.028) were elevated in the operative group. Body mass index (BMI) was lower in the operative group (P = 0.013).
Conclusion The number of operations before SBO, leukocyte counts, CRP levels, and BMI were useful parameters for selecting patients who needed an urgent operation for SBO.
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Malnutrition is associated with an increased risk of developing complications following gastrointestinal surgery, especially following radical surgeries such as pelvic exenteration. This study aims to determine if preoperative body mass index (BMI) is associated with 30-day morbidity, length of hospital stay and/or quality of life (QoL) in patients undergoing pelvic exenteration surgery for recurrent and locally-advanced rectal cancer prior to a prospective trial.
Methods
A review of all patients who underwent pelvic exenteration surgery prior to 2008 was performed. Patients were included if they had a documented BMI as well as a QoL measurement (Functional Assessment Cancer Therapy - Colorectal questionnaire).
Results
Thirty-one patients, with a mean age of 56 years, had preoperative height and weight data, as well as measures of postoperative QoL, and formed the study group. The numbers of patients with recurrent (n = 17) or locally-advanced rectal cancer (n = 14) were similar. The mean length of stay was 21 days while the mean BMI of the patients was 24.3 (± 5.9) kg/m2. The majority of the patients were either of normal weight (n = 15) or overweight/obese (n = 11). The average length of hospital stay was significantly longer in patients who were underweight compared to those who were of normal weight (F = 6.508, P = 0.006) and those who were overweight and obese (F = 6.508, P = 0.007).
Conclusion
This study suggests that a lower body mass index preoperatively is associated with a longer length of hospital stay. BMI is not associated with long-term QoL in this patient group. However, further prospective research is required.
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Management strategy in acute appendicitis patients initially presenting with abscess or mass is surrounded with controversy. This study was performed to identify the outcomes of management for this condition.
Methods
We retrospectively analyzed prospectively registered 76 patients (male:female = 39:37; mean age, 50.8 years) with appendicitis presenting with abscess or mass over a 9-year period at the Seoul National University Hospital. Patients were divided into three groups (emergency operation group, delayed operation group, and follow-up group), and clinical characteristics and outcomes of treatment were investigated.
Results
Twenty-eight patients (36.8%) underwent an emergency operation. Of the remaining 48 patients, 20 (41.7%) were initially treated with conservative management through the use of antibiotics only; the other 28 (58.3%) with and additional ultrasound-guided percutaneous drainage of the abscess. Twenty-six (54.2%) patients underwent planned operations after conservative management, and 22 (45.8%) were followed without surgery (median duration, 37.8 month), of which 3 (13%) underwent an appendectomy due to recurrent appendicitis (mean of 56.7 days after initial attack). There were no statistical differences in types of operation performed (appendectomy or ileocecectomy), postoperative complications, and postoperative hospital stay among the patients who underwent emergency operations, delayed operations and operations for recurrence during follow-up.
Conclusion
Although the recurrence rate was relatively low after conservative management for appendicitis patients presenting with abscess or mass, there was no difference in surgical outcome between the emergent, elective, or recurrent groups. Our results indicate that proper management of appendicitis with abscess or mass can be selected according to surgeon's preference.
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A male, 67 years old, visited the emergency room because of a foreign body impacted in his rectum. While he was being treated for grade-II hemorrhoids conservatively, he heard that massage of the peri-anal area could be helpful for preventing hemorrhoids. Thus, while using an electronic massager after placing the head of the machine into a short round bar, the head became separated from the machine, and this was inserted into the anus and impacted. The patient had anal discomfort without abdominal pain. His vital signs were stable, and no abnormal physical findings were found for the abdomen. On digital rectal examination, the rim of the foreign body was palpated about 8 cm from the anal verge. Anal bleeding, abnormal discharge, or foul odor was not found. On a simple abdominal X-ray, a radio-opaque foreign body was observed in the pelvic cavity, and mild leukocytosis was noted on the laboratory test. To avoid injury to the anal sphincter, we tried to remove the foreign body under the spinal anesthesia. After anesthesia had been administered, the foreign body was palpated more distally at 5-6 cm from the anal verge by digital examination, and the foreign body was found to have a hole in its center. This was held using a Kelly clamp, and with digital guiding, was removed through the anus. After removal, an anoscopic examination was performed to determine if mucosal injury had occurred in the rectum or anal canal. The patient was discharged without complication after 24 hours of close observation.
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Rectal perforation caused by a sharp pig backbone in a middle-aged patient with mild depression Hyeong Ju Sun, Jeonghun Lee, Dong Min Kim, Myeong-Su Chu, Kyoung Sun Park, Dong Jin Choi Yeungnam University Journal of Medicine.2015; 32(1): 31. CrossRef
A benign cecal ulcer is an uncommon lesion. The etiology remains unknown, and there are no pathognomonic lesions or symptoms. Lower gastrointestinal tract hemorrhage secondary to benign cecal ulcer is the most common complication.
Herein, the case of a 24-year-old man with a benign cecal ulcer presenting with a massive lower gastrointestinal tract hemorrhage requiring transfusion until a exploratory laparotomy and right hemicolectomy, is reported with a review of the literature. Surgical intervention is warranted if malignancy is suspected or if the patient has signs of uncontrollable hemorrhage, perforation, or peritonitis.
PURPOSE The purpose of this study was to determine whether obesity increases the risk of performing a laparoscopic resection for colorectal cancer. METHODS Prospectively collected data were obtained for 103 patients who had undergone laparoscopic resection for colorectal cancer from September 2001 to August 2002.
Patients who had had a previous abdominal operation, a total colectomy or an additional surgical procedure at the time of colon resection were excluded from the analysis. The patients were divided into two groups based on body mass index (BMI kg/m2): the normal group (BMI <25) and the obesity group (BMI 25). Intraoperative blood loss, operative time, conversion, length of hospital stay and complications were analyzed. RESULTS Nineteen patients (25%) were obese. Operation time (183.2 min vs 202.1 min) and the blood loss (98.2 ml vs 168.2 ml) were significantly increased in the obese patients, but hospital discharge after surgery (11.7 days vs 11.9 days) and the morbidity rate (8.5% vs 5.3%) were not different between the groups. Conversion to the an open precedure occurred with one obese patient, but that was not related to obesity. In the analysis of the low anterior resection, blood loss (94.6 ml vs 186.6 ml) was significantly higher in obese patients, but no statistically significant differences existed for other surgical outcomes between the two groups. CONCLUSIONS A laparoscopic resection for colorectal cancer can be safely performed in obese patients.