Results 51 to 60 of about 22,510 (222)

Anal canal squamous carcinoma

open access: yesJournal of Coloproctology, 2017
Background: Anal canal carcinoma is a rare neoplasm, representing 2% of the digestive tumors, and the most common is squamous cell carcinoma, with an increasing incidence.
Maricruz Nunes Magalhães   +1 more
doaj   +1 more source

An ontological morphological phylogenetic framework for living and extinct ray‐finned fishes (Actinopterygii)

open access: yesThe Anatomical Record, EarlyView.
Abstract The ray‐finned fishes include one out of every two species of living vertebrates on Earth and have an abundant fossil record stretching 380 million years into the past. The division of systematic knowledge of ray‐finned fishes between paleontologists working on extinct animals and neontologists studying extant species has obscured the ...
Jack Stack
wiley   +1 more source

Cranial anatomy of a Late Cretaceous aspidorhynchid fish (Neopterygii: Aspidorhynchiformes) from Alberta, Canada

open access: yesThe Anatomical Record, EarlyView.
Abstract Belonostomus longirostrisis was named for an isolated jaw fragment from freshwater Upper Cretaceous (Campanian) sediments of the Dinosaur Park Formation of Alberta, Canada. Following the description of the Albertan species, numerous isolated cranial and postcranial elements have been collected from the Dinosaur Park Formation and assigned to B.
Mondo Miyazato   +4 more
wiley   +1 more source

The Science, Techniques, and Art of Anal Fistula Treatment

open access: yesIndian Journal of Colo-Rectal Surgery, 2019
Anal fistula is a diverse disease. There is no single treatment which is effective for all types of anal fistulas. The management of simple anal fistula is straightforward, and a fistulotomy is recommended. However, in complex anal fistula if fistulotomy
Arshad Ahmad
doaj   +1 more source

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

Modern competency‐based teaching of human sexual development

open access: yesAnatomical Sciences Education, EarlyView.
Abstract Embryology is an integral part of anatomy and a key subject in basic medical education. The development of the sexual tract, which is closely associated with the formation of the urinary tract and the organs of continence, is particularly complex and relevant for many medical disciplines.
Elisabeth Eppler   +2 more
wiley   +1 more source

Identification of major congenital malformations based on healthcare databases in France: A proof‐of‐concept study using the epi‐meres nationwide mother–child register

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
Abstract Aim Besides registries, healthcare databases can provide useful information for assessing the frequency of major congenital malformations (MCMs) and investigating their risk factors, particularly medication exposures. This study aimed to assess the validity of MCMs identification based on French national, comprehensive healthcare databases ...
Tom Duchemin   +7 more
wiley   +1 more source

Grooved Surface of the Obturator Internus Muscle With Two Distinct Adjacent Parts

open access: yesClinical Anatomy, EarlyView.
ABSTRACT The specific anatomical features of the obturator internus, particularly those of its medial surface, remain insufficiently characterized. This study investigated the morphology of the obturator internus muscle by focusing on the shape of its medial surface and potential age‐related changes.
Satoru Muro   +4 more
wiley   +1 more source

Cirurgia de resgate no carcinoma de canal anal

open access: yesRevista do Colégio Brasileiro de Cirurgiões
OBJETIVOS: Avaliar a sobrevida dos pacientes portadores de carcinoma epidermóide do canal anal submetidos a cirurgia de resgate, por recidiva ou falha do tratamento radioquimioterápico inicial.
Carlos A. C. Rangel de Castro   +5 more
doaj   +1 more source

A rare case of perineal neuralgia treated with ultrasound‐guided nerve block combined with water separation

open access: yesIbrain, Volume 11, Issue 1, Page 106-111, Spring 2025.
A middle‐aged man presented with a right indirect inguinal hernia in November 2020 and underwent laparoscopic high ligation of the right hernial sac. Intermittent acupuncture‐like pain in the skin of the right scrotum and medial thigh occurred 1 month after surgery and lasted for 6 months. Under ultrasound guidance, ilioinguinal nerve and genitofemoral
Yong Wang   +4 more
wiley   +1 more source

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