Results 31 to 40 of about 106,394 (309)

Usefulness of 3D transperineal ultrasound in severe stenosis of the anal canal : preliminary experience in four cases [PDF]

open access: yes, 2014
Background Organic or functional anal canal stenoses are uncommon conditions that occur in the majority of cases as a consequence of anal diseases. A proper assessment is fundamental for decision making; however, proctological examination and endoanal ...
Kołodziejczyk, M.   +4 more
core   +1 more source

Anal canal adenocarcinoma with neuroendocrine features accompanying secondary extramammary Paget disease, successfully treated with modified FOLFOX6: a case report

open access: yesBMC Cancer, 2018
Background Anal canal cancer occasionally accompanies extramammary Paget disease. Although most of them are squamous cell carcinoma, anal canal adenocarcinoma with neuroendocrine features accompanying secondary extramammary Paget disease has never been ...
Masamichi Yamaura   +11 more
doaj   +1 more source

Melanoma of the anal canal

open access: yesJournal of British Surgery, 1984
Revue de 14 observations. Confirmation du mauvais pronostic. Le traitement de choix est la chirurgie mais les recidives sont frequentes.
P. C. Pyper, T. G. Parks
openaire   +3 more sources

Synchronous anal canal carcinoma in a heterosexual couple

open access: yesBMC Cancer, 2018
Background Sexually transmitted Human Papilloma Virus (HPV) infection is a known risk factor for cancer of the anal canal in both men and women. Case presentation We describe a report of synchronous carcinoma of the anal canal in a heterosexual couple ...
Lucas C. Mendez   +3 more
doaj   +1 more source

Long-term outcomes after surgical dissection of inguinal lymph node metastasis from rectal or anal canal adenocarcinoma

open access: yesBMC Cancer, 2019
Background The 8th edition of the tumor-node-metastasis (TNM) classification classifies inguinal lymph nodes as regional lymph nodes for anal canal carcinoma but non-regional lymph nodes for rectal carcinoma.
Taro Tanabe   +5 more
doaj   +1 more source

Accuracy of magnetic resonance imaging in defining dentate line in anal fistula

open access: yesBMC Medical Imaging, 2022
Purpose To retrospectively assess the accuracy of magnetic resonance imaging (MRI) in defining dentate line in anal fistula. Materials and methods Seventy patients with anal fistulas were assessed by dynamic contrast-enhanced MRI.
Xiuxiang Liu   +4 more
doaj   +1 more source

A NEW MIXED SURGICAL TREATMENT FOR GRADES III AND IV HEMORRHOIDS: MODIFIED SELECTIVE HEMORRHOIDECTOMY COMBINED WITH COMPLETE ANAL EPITHELIAL RETENTION

open access: yesABCD: Arquivos Brasileiros de Cirurgia Digestiva, 2021
Background: Varicose veins appear above and below the dentate line in mixed hemorrhoids, which seriously affects anal function and quality of life. Aim: To propose an improvement in tissue-selecting therapy repair of anal pad combined with complete ...
Hua HUANG   +6 more
doaj   +2 more sources

A marginal structural model for normal tissue complication probability [PDF]

open access: yesarXiv, 2023
The goal of radiation therapy for cancer is to deliver prescribed radiation dose to the tumor while minimizing dose to the surrounding healthy tissues. To evaluate treatment plans, the dose distribution to healthy organs is commonly summarized as dose-volume histograms (DVHs).
arxiv  

Canals in Milky Way radio polarization maps [PDF]

open access: yesMon.Not.Roy.Astron.Soc.Lett. 371 (2006) L21-L25, 2006
Narrow depolarized canals are common in maps of the polarized synchrotron emission of the Milky Way. Two physical effects that can produce these canals have been identified: the presence of Faraday rotation measure ($\RM$) gradients in a foreground screen and the cumulative cancellation of polarization known as differential Faraday rotation.
arxiv   +1 more source

Anal manometric evaluation of children with encopresis [PDF]

open access: yes, 2010
INTRODUÇÃO: A constipação crônica é doença comum na infância, ocorrendo em 5 a 10% dos pacientes pediátricos, considerada a segunda maior causa de procura nos consultórios de pediatria, sendo a encoprese decorrente de constipação grave associada à ...
BARBIERI, Dorina   +6 more
core   +2 more sources

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