Results 71 to 80 of about 451,678 (252)

Currarino triad with a duplicate anal canal presenting with an infected sacral mass

open access: yes, 2022
Currarino syndrome is a rare congenital malformation characterised by the triad of: an anorectal malformation, sacral bony defect and presacral mass. One rare but possible anorectal malformation is an anal canal duplication, a congenital anomaly which is
Lee, SW   +4 more
core   +1 more source

Premalignant Lesions of the Anal Canal and Squamous Cell Carcinoma of the Anal Canal [PDF]

open access: yesClinics in Colon and Rectal Surgery, 2011
Squamous cell carcinoma of the anus (SCCA) is a rare tumor. However, its incidence has been increasing in men and women over the past 25 years worldwide. Risk factors associated with this cancer are those behaviors that predispose individuals to human papillomavirus (HPV) infection and immunosuppression.
openaire   +2 more sources

Structure of the anal canal and distal rectum in Wistar rats

open access: yesActa Biomedica Scientifica, 2016
The conducted research relates to the structure of anal canal and distal rectum of Wistar rats. This structure is of interest in terms of comparative anatomy and as an object of experimental model in pathology.
O. A. Goldberg, A. D. Kim
doaj   +1 more source

Congenital Intraoral Synechiae: A Scoping Review of Airway, Feeding, and Surgical Management

open access: yesOtolaryngology–Head and Neck Surgery, EarlyView.
Abstract Objective To map the existing literature on congenital intraoral synechiae and summarize reported anatomic patterns, clinical presentation, associated anomalies/syndromes, and outcomes to inform standardized diagnostic and therapeutic approaches. Data Sources PubMed, CINAHL, Embase, Web of Science, and Google Scholar were searched from January
Jason Bernier, Mathieu Bergeron
wiley   +1 more source

The association between body mass index and anal canal human papillomavirus prevalence and persistence: the HIM study

open access: yesHuman Vaccines & Immunotherapeutics, 2019
Background: While receptive anal sex is an established risk factor for anal human papillomavirus (HPV) infection and squamous cell carcinoma of the anus (SCCA), people with anal HPV infection and SCCA commonly report no lifetime receptive anal sex ...
Alan G. Nyitray   +10 more
doaj   +1 more source

Prostate cancer solitary metastasis to anal canal: case report and review of literature

open access: yesBMC Cancer, 2019
Background Here we present the first cases of prostate cancer solitary metastasis to anal canal. Case presentation A 67-year-old male patient underwent radical prostatectomy with ilio-obturator lymphonodectomy in 2016 due to poorly differentiated ductal ...
Audrius Dulskas   +4 more
doaj   +1 more source

Value of 3D‐High Resolution Anorectal Manometry Before and After Fistulotomy for Simple Perianal Fistulas: A Prospective Cohort Study

open access: yesANZ Journal of Surgery, EarlyView.
In this prospective cohort study, 3D‐high resolution anorectal manometry provided detailed regional pressure assessment but failed to predict postoperative continence deterioration after fistulotomy for simple perianal fistulas. These findings highlight the need for a continence assessment tool that better distinguishes true fecal incontinence from ...
Justin Y. van Oostendorp   +4 more
wiley   +1 more source

Morphological and Morphometric Characterisation of Selected Camarodont Sea Urchin (Echinoidea: Camarodonta) Pedicellariae (Paracentrotus lividus, Psammechinus miliaris and Echinus esculentus)

open access: yesActa Zoologica, EarlyView.
ABSTRACT Pedicellariae are small appendages on the surface of the echinoid test, involved in defence, cleaning, and locomotion. Pedicellariae in three species of camarodont sea urchins common in UK waters (Paracentrotus lividus [Lamarck, 1816], Psammechinus miliaris [P.L.S Müller, 1771] and Echinus esculentus [Linnaeus, 1758]) are the focus of this ...
H. C. Reinardy   +6 more
wiley   +1 more source

The impact of anaemia on treatment outcome in patients with squamous cell carcinoma of anal canal and anal margin

open access: yesRadiology and Oncology, 2016
Radiochemotherapy is the main treatment for patients with squamous cell carcinoma of the anal canal. Anaemia is reported to have adverse effect on survival in cancer patients.
Oblak Irena   +8 more
doaj   +1 more source

Larval character evolution in Holometabola (Insecta)

open access: yesCladistics, EarlyView.
Abstract Larvae, a novel type of immature stage, are a crucial innovation of the Holometabola. Larval features therefore provide key evidence for reconstructing evolutionary transformations in this megadiverse group. Here we present the first formal reconstruction of larval character evolution, using maximum parsimony and Bayesian ancestral‐state ...
Rolf Georg Beutel, Jakub Goczał, Di Li
wiley   +1 more source

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