A new theory on the cause of anal fissure – impaction theory
Journal of Coloproctology, 2020 The internal hemorrhoid, rectal tumor, hypertrophic anal papilla, and secret fecal mass are regarded as the blocks embedded in the rectum. The above blocks hinder defecation, which will inevitably lead to excessive opening of the anal caliber.
Shaoming Chen, Qinghuan Yu
doaj +1 more source
Anal Cancer with Atypical Brain and Cranial Bones Metastasis: About 2 Cases and Literature Review
Case Reports in Oncology, 2021 Canal anal cancer is a rare tumor that accounts for 2% of all colorectal neoplasms, with a low propensity for metastasis. The spread of anal squamous cell carcinoma to the brain is exceedingly rare and has been previously reported only 5 times in the ...
Meryeme Chihabeddine +5 more
doaj +1 more source
Value of conventional cytology in the presence of macroscopic lesions of the anal canal
Journal of Coloproctology, 2014 Objectives: To verify the value of conventional cytology for the diagnosis of macroscopic le- sions of the anal canal and to describe the limitations of the samples.
Lêda Pereira de Barcellos +2 more
doaj +1 more source
Early Squamous Cell Carcinoma of the Anal Canal Resected by Endoscopic Submucosal Dissection
Case Reports in Gastroenterology, 2015 The standard treatment approach for squamous cell carcinoma (SCC) of the anal canal includes abdominoperineal resection and chemoradiotherapy. However, there are currently very few reports of early SCC of the anal canal resected by endoscopic submucosal ...
Yuzuru Tamaru +9 more
doaj +1 more source
Clinical characteristics of women diagnosed with carcinoma who tested positive for cervical and anal high-risk human papillomavirus DNA and E6 RNA [PDF]
, 2015 High-risk human papillomavirus (hrHPV) is an essential cause of cervical carcinoma and is also strongly related to anal cancer development. The hrHPV E6 oncoprotein plays a major role in carcinogenesis. We aimed to evaluate the frequency of hrHPV DNA and
Cinti, Claudia +9 more
core +1 more source
A wide field-of-view scanning endoscope for whole anal canal imaging [PDF]
, 2015 We report a novel wide field-of-view (FOV) scanning endoscope, the AnCam, which is based on contact image sensor (CIS) technology used in commercialized business card scanners.
Han, Chao +3 more
core +1 more source
EJNMMI Research, 2020 Background Anal cancer is a relatively rare tumor of which incidence increases in developed countries. 18F-FDG PET has been increasingly used for its post radio-chemotherapy evaluation.
Nicolas Aide +7 more
doaj +1 more source
Asian Journal of Surgery, 2023 Objective: This study aimed to compare the efficiency of these two combined surgeries [prolapse and hemorrhoids (PPH) combined with the external hemorrhoidectomy and inferior internal hemorrhoid ligation; tissue selecting technique with mega-window ...
Hua Huang +4 more
doaj +1 more source
Repeatability of innervation zone identification in the external anal sphincter muscle [PDF]
, 2010 Knowledge of the distribution of the innervation zones (IZs) of the external anal sphincter (EAS) may be useful for preventing anal sphincter incompetence during vaginal delivery.
Davico, E. +5 more
core +1 more source
Effect of 0.2% nifedipine gel on anal canal pressures and postoperative pain: study following hemorrhoidectomy by open technique [PDF]
, 2007 INTRODUCTION: Hemorrhoids are very common and pain following their surgical treatment causes great suffering. Various alternatives have been studied for reducing postoperative pain.
Bassi, Deomir Germano +6 more
core +3 more sources