An inverse correlation in stomach and large bowel cancer distribution was established as a result of an evaluation of cancer morbidity statistics for the City of Moscow in 1965-1980. The structure of gastrointestinal neoplasms in the next five years is likely to undergo changes in female population in which large bowel cancer is leading at present.
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Highly multiplexed spatial transcriptomics in bacteria.
Science
January 2025
Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA.
Single-cell decisions made in complex environments underlie many bacterial phenomena. Image-based transcriptomics approaches offer an avenue to study such behaviors, yet these approaches have been hindered by the massive density of bacterial messenger RNA. To overcome this challenge, we combined 1000-fold volumetric expansion with multiplexed error-robust fluorescence in situ hybridization (MERFISH) to create bacterial-MERFISH.
View Article and Find Full Text PDFMargin matters: analyzing the impact of circumferential margin involvement on survival and recurrence after incomplete total mesorectal excision for rectal cancer.
Tech Coloproctol
January 2025
Department of Colorectal Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, OH, USA.
Background: Incomplete mesorectal excision during rectal cancer surgery often leads to positive circumferential margins, with uncertain prognostic impacts. This study examines whether negative margins can mitigate the poorer prognosis typically associated with incomplete total mesorectal excision (TME) in rectal cancer surgery, thus potentially challenging the prevailing emphasis on complete mesorectal excision.
Patients And Methods: A retrospective analysis was conducted on patients who underwent proctectomy for rectal adenocarcinoma with incomplete TME at a single center from 2010 to 2022.
Reversed anatomy in transanal lateral lymph node dissection: landmarks and pitfalls.
Tech Coloproctol
January 2025
Department of Colorectal Surgery, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, Chiba, 277-8577, Japan.
Lateral lymph node dissection (LLND) is getting global attention as an a surgical option to reduce local recurrence in locally advanced rectal cancer. As the transanal total mesorectal excision (TaTME) is gaining popularity worldwide, a novel LLND approach was established adopting a two-team approach that combines the transabdominal and transanal approaches using the TaTME technique. This narrative review describes the advantages, anatomical landmarks, surgical techniques, and pitfalls of transanal LLND (TaLLND).
View Article and Find Full Text PDFNatural life cycle and molecular characterization of Dollfus, 1960 (Cestoda: Taeniidae) from northwestern Patagonia, Argentina.
Int J Parasitol Parasites Wildl
April 2025
División Zoología Invertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, CONICET-Centro Científico Tecnológico La Plata, Buenos Aires. Paseo del Bosque s/n La Plata, (1900), Buenos Aires, Argentina.
Through morphological and molecular studies, the natural life cycle of Dollfus, 1960 (Cestoda: Taeniidae) from Argentine Patagonia is elucidated, involving subterranean rodents (Ctenomyidae) as intermediate hosts, and the Andean fox (Canidae) as definitive host. Metacestodes (mono- and polycephalic fimbriocerci) were found mainly in the peritoneal cavity of , and the strobilate adult in the intestine of . Correspondence between metacestodes and strobilate adults was based primarily on number, size and shape of rostellar hooks: 45-53 hooks alternated in two rows, small hooks 88-180 μm long and large hooks 230-280 μm long, with the characteristic shape described in the two main description of the species, both that of the metacestode (original description) and that of the strobilate adult (obtained experimentally).
View Article and Find Full Text PDFSimultaneous integrated boost intensity-modulated radiation therapy targeting clinically involved extramesorectal lymph nodes in locally advanced rectal cancer: A retrospective study.
Colorectal Dis
January 2025
Department of Radiation Oncology, Tata Memorial Centre, Mumbai, India.
Aim: Consensus is lacking regarding the management of extramesorectal lymph nodes (EMLN) in rectal cancer. Using simultaneous integrated boost intensity-modulated radiation therapy (SIB-IMRT), we targeted involved EMLN and reserved lateral pelvic lymph nodal dissection (LPLND) for nonresponders. The primary aim of this work was to determine the proportion of patients who avoided LPLND and to establish the pathological EMLN positivity rate.
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