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Transanal versus nontransanal surgery for the treatment of primary rectal gastrointestinal stromal tumors: a 10-year experience in a high-volume center.

ABSTRACT: Background:Rectal gastrointestinal stromal tumor (GIST) is a rare digestive disease that has a distinct malignant tendency compared to that of gastric-derived GIST. At present, there is still no standard, and the surgical approach to rectal GIST is controversial. Methods:The clinicopathological data and prognosis of rectal GIST patients admitted to the Sixth Affiliated Hospital of Sun Yat-sen University from 1998.01.01 to 2018.12.31 were collected retrospectively. All cases were divided into either the transanal (TA) group or the nontransanal (NTA) group. Results:A total of 537 GIST cases were treated in 10 years, including 82 rectal GIST cases (64 cases underwent surgical resection, including 29 cases in the TA group and 35 cases in the NTA group). Preoperative neoadjuvant therapy (P=0.003), postoperative adjuvant therapy (P=0.017), operative time (P=0.013), blood loss (P=0.038), anus-preserver (P=0.048), 30-day complication rate (P=0.000), time to flatus (P=0.036), hospital stays (P=0.011), distance from the anus (P=0.047), tumor size (P=0.002), mitotic count (P=0.035) and National Institutes of Health (NIH) criteria (P=0.000) were significantly different between these two groups (all P<0.05). The median follow-up time was 41 (range, 1-122) months. Twelve patients had recurrence and metastasis, and 4 patients died. The 5-year disease-free survival (DFS) and overall survival (OS) were 74.4% and 91.2%, respectively, in the whole group. There were no statistically significant differences between the TA group and the NTA group at 5-year DFS (81.3% vs. 79.0%, P=0.243) and OS (88.7% vs. 93.3%, P=0.308). Conclusions:In the treatment of rectal GIST, TA resection has a minimally invasive effect, less postoperative complications, high anal sphincter preservation rate, and R0 resection rate and a better prognosis. How to improve the proportion of neoadjuvant therapy and choose the appropriate cases for TA surgery is still a challenge.

SUBMITTER: Yang Z

PROVIDER: S-EPMC7154442 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Transanal versus nontransanal surgery for the treatment of primary rectal gastrointestinal stromal tumors: a 10-year experience in a high-volume center.

Yang Zifeng Z Guo Wentai W Huang Rongkang R Hu Minhui M Wang Huaiming H Wang Hui H

Annals of translational medicine 20200301 5

<h4>Background</h4>Rectal gastrointestinal stromal tumor (GIST) is a rare digestive disease that has a distinct malignant tendency compared to that of gastric-derived GIST. At present, there is still no standard, and the surgical approach to rectal GIST is controversial.<h4>Methods</h4>The clinicopathological data and prognosis of rectal GIST patients admitted to the Sixth Affiliated Hospital of Sun Yat-sen University from 1998.01.01 to 2018.12.31 were collected retrospectively. All cases were d ...[more]

PMID: 32309348

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Project description:BackgroundPatients with a rectal foreign body (RFB) are still a rare entity in general surgery departments but with an increasing incidence over the last years. This case is sometimes difficult to treat, and due to a lack of standardized treatment options, the aim of the study was to present our clinical experiences with the diagnostic and therapeutic approach to RFBs and a review of the currently available literature.Materials and methodsData were collected retrospectively from the patient's records of 20 patients who were treated due to an RFB between 2006 and 2016. Patient's demographics, circumstances of insertion, inserted objects, clinical presentation, laboratory and imaging results, as well as surgical treatment and duration of hospital stay were analyzed. Additionally, a review of the literature was performed with the search items "rectal foreign body" and "surgical therapy". Because many publications were just case reports, we did not perform a meta-analysis or a systematic review.ResultsTwenty-two cases in 20 patients (80% male) presented to the emergency room. The mean age was 38.5±13.7 years. In 68.2% of the cases, the cause of RFB was due to sexual preferences. The following objects were inserted: six dildos, three vibrators, two bottles, one glass, one deodorant, one apple, one fever thermometer, multiple glass fragments and razor blades in one patient and six unknown objects. For 18 RFBs, manual peranal removal without anesthesia was possible in the emergency room, but two patients required intravenous analgesia. Two patients were transferred to the operating room and the foreign body was removed via the anus under general anesthesia. Open surgery with a laparotomy was necessary for two complicated cases. One patient was in need of surgery due to a vacuum generated by the RFB, whereas the second patient suffered from a sigmoid perforation. In all cases, there was no morbidity or mortality.ConclusionIn most cases, the removal of an RFB can be performed peranally in the emergency room without further complications, therefore representing the therapy of choice for RFB. Only in cases with perforation, acute abdomen, or failed peranal approaches, surgery is indicated to remove the foreign body.

Dataset Information

Transanal versus nontransanal surgery for the treatment of primary rectal gastrointestinal stromal tumors: a 10-year experience in a high-volume center.

Publications

Transanal versus nontransanal surgery for the treatment of primary rectal gastrointestinal stromal tumors: a 10-year experience in a high-volume center.

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