OBJECTIVE The purpose of this study was to evaluate the reproducibility of measurements of minimal distance from an invasive tumor to the anticipated circumferential resection margin in prediction of depth of extramural tumor spread in patients with rectal cancer. MATERIALS AND METHODS Images from 168 consecutive pelvic MRI examinations of patients with rectal cancer were evaluated by radiolo...

OBJECTIVE This study examines the impact of excision margin status after large loop excision of the transformation zone (LLETZ) under local anaesthetic for high-grade cervical intraepithelial neoplasia (HG-CIN) on the cytological and histological outcomes up to 5 years after treatment. METHODS   Prospective cytological and histological data were obtained by examination of the colposcopy datab...

The purpose of this study was to determine the severity of gingival margin discrepancy affecting the mandibular incisors in children with a single-tooth anterior crossbite. The response of the position of the gingival margin to correction of the crossbite also was investigated. Twenty-two subjects with a single central crossbite and 16 subjects with a single lateral crossbite were identified fr...

AIM The aim of the present study was to evaluate these two high intensity light curing units regarding microleakage beneath metal and ceramic brackets. MATERIALS AND METHODS A total of 60 freshly extracted human premolar teeth were randomly divided into four groups of 15 samples; group I: Metal bracket + LED cured, group II: Ceramic bracket + LED cured, group III: Metal bracket + plasma arc c...

PURPOSE To investigate the learning curve for robot-assisted laparoscopic radical prostatectomy (RALP) for pathologic T2 disease, we examined differences in perioperative outcomes according to time period. MATERIALS AND METHODS Between July 2005 and June 2008, a total of 307 consecutive patients underwent RALP for prostate cancer and 205 patients had pathologic T2 disease. Patients were group...

A new incremental learning algorithm is described which approximates the maximal margin hyperplane w.r.t. norm p ≥ 2 for a set of linearly separable data. Our algorithm, called almap (Approximate Large Margin algorithm w.r.t. norm p), takes O ( (p−1) α2 γ2 ) corrections to separate the data with p-norm margin larger than (1 − α) γ, where γ is the (normalized) p-norm margin of the data. almap av...

Two consecutive surveys for breast surgeons in Korea were conducted to comprehend the practice patterns and perceptions on margin status after breast-conserving surgery. The surveys were conducted online in 2014 (initial) and 2016 (follow-up). A total of 126 and 88 responses were obtained in the initial and follow-up survey, respectively. More than 80% of the respondents replied to routinely ap...

PURPOSE The objective of this study was to assess the effect of postoperative radiotherapy on the outcome of esophageal cancer with microscopically positive resection margin by comparing the results with those of patients with negative resection margin. MATERIALS AND METHODS Medical records of 88 patients treated with macroscopic resection followed by postoperative radiotherapy for stage II o...

The aim of this study is trying to describe more details of superior mesenteric artery margin in pancreaticoduodenectomy for pancreatic ductal adenocarcinoma, to evaluate biological and prognostic implications of tumor budding in this margin, and to provide more evidence for evaluation of R0 surgery in pancreaticoduodenectomy. 46 patients in 5-years period are included in this study. Immunochem...