HighlightsCompletely different types of GIST rupture have been reported as same perforation type.We classified retrieved cases of GIST rupture to three types: abscess type, hemoperitoneum type, bowel perforation type.Each type demonstrates a specific mechanism of perforation causing characteristic complaints.
HighlightsNo general treatment guidelines have been established for gastricplasmacytoma.Combination therapy with chemotherapy involving bortezomib and autologous peripheral blood stem-cell transplantation after the resection could be one of the useful options for the advanced gastricplasmacytoma.
HighlightsColovesical fistula was occered in the extremely rare condition: partial situs inversus with persistent descending mesocolon (PDM).Distinctive features of PDM were shortening adhesions noted at the dorsal aspect of the descending and sigmoid mesocolon without marginal vessel.In this case, these congenital abnormalities might help the suture failure during the operation of sigmoid colectomy.
HighlightsPancreatic schwannoma is rare and preoperative diagnosis is difficult due to the lack of specific symptoms, radiological characteristics and tumor markers.Incidental detection of pancreatic schwannoma is predicted to increase due to the widespread use of CT and MRI. It is important to take into account this tumor in the differential diagnosis of pancreatic tumors.We should be aware that FDG-PET/CT shows abnormal accumulation in a benign pancreatic schwannoma.
Harvesting at least 12 lymph nodes (LNs) is recommended for adequate tumor staging in colon surgery. Although preoperative endoscopic tattooing has been used for primary localization of tumors, its impact on LN retrieval in colorectal surgery remains controversial. We aimed to investigate the relationship between preoperative tattooing and LN retrieval after laparoscopic rectal resection. Methods: We reviewed the records of 92 patients with rectal cancer who underwent laparoscopic resection from January 1, 2018 to December 31, 2019. Patients were categorized into 2 groups according to whether preoperative endoscopic tattooing was performed. The rate of adequate LN retrieval ( ≥ 12) was compared. Results: The tattooed and non-tattooed groups comprised 49 and 43 patients, respectively. In the tattooed and non-tattooed groups, the rates of adequate LN retrieval were 75.5% and 55.8%, respectively (P = 0.046). Univariate analysis revealed that female sex, tattooing, LN metastasis status, pathological pathological stage (p-stage), and LN dissection were predictive factors for adequate LN retrieval. In the multivariate analysis, female sex (odds ratio [OR], 3.34; 95% confidence interval [CI], 1.15-9.73; P = 0.027), tattooing (OR, 2.87; 95% CI, 1.03-7.94; P = 0.043), and p-stage (OR, 3.34; 95% CI, 1.04-10.75; P = 0.043) were independent predictive factors for adequate LN retrieval after surgery. Conclusion: This study revealed that preoperative endoscopic tattooing was statistically significantly associated with adequate LN retrieval in patients with rectal cancer who underwent laparoscopic rectal resection. Preoperative endoscopic tattooing should be considered to improve disease assessment and avoid stage migration.
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