The study of human anatomy has traditionally served as a fundamental component in the basic science education of medical students, yet there exists a remarkable lack of firm guidance on essential features that must be included in a gross anatomy course, which would constitute a "Core Syllabus" of absolutely mandatory structures and related clinical pathologies. While universal agreement on the details of a core syllabus is elusive, there is a general consensus that a core syllabus aims to identify the minimum level of knowledge expected of recently qualified medical graduates in order to carry out clinical procedures safely and effectively, while avoiding overloading students with unnecessary facts that have less immediate application to their future careers as clinicians. This paper aims to identify consensus standards of essential features of Head and Neck anatomy via a Delphi Panel consisting of anatomists and clinicians who evaluated syllabus content structures (greater than 1,000) as "essential", "important", "acceptable", or "not required." The goal is to provide guidance for program/course directors who intend to provide the optimal balance between establishing a comprehensive list of clinically relevant essential structures and an overwhelming litany, which would otherwise overburden trainees in their initial years of medical school with superficial rote learning, which potentially dilutes the key and enduring fundamental lessons that prepare students for training in any medical field.
Emissary veins connect the extracranial venous system with the intracranial venous sinuses. These include, but are not limited to, the posterior condyloid, mastoid, occipital, and parietal emissary veins. A review of the literature for the anatomy, embryology, pathology, and surgery of the intracranial emissary veins was performed. Detailed descriptions of these venous structures are lacking in the literature, and, to the authors', knowledge, this is the first detailed review to discuss the anatomy, pathology, anomalies, and clinical effects of the cranial emissary veins. Our hope is that such data will be useful to the neurosurgeon during surgery in the vicinity of the emissary veins.
Anatomical variations in the branching pattern of the axillary artery are common and typically include the lateral thoracic, subscapular, and the posterior circumflex humeral (PCHA) arteries. Previous investigations of single specimen dissections demonstrate numerous variations to axillary artery branching, but the frequency of these occurrences is unclear. This study quantifies the frequency of variant branching of the lateral thoracic, subscapular, and posterior circumflex humeral arteries, how it they relate to the posterior cord of the brachial plexus. Axillae of 83 cadavers were dissected to allow examination of the axillary artery and its branches. Data were collected observing the branching pattern of the lateral thoracic, subscapular, and posterior circumflex humeral arteries, as well as those branches spatial relationship to the two terminal branches of the posterior cord of the brachial plexus. Some of the more common variations included the thoracodorsal artery arising from the lateral thoracic artery (LTA) (7.2%) and the subscapular artery (SSA) arising from the LTA (5.4%). The SSA also produced the LTA (4.2%) and the PCHA (12%). The PCHA also originated from the deep brachial artery (8.4%) and traversed the triangular interval to supply the deltoid muscle. These findings are relevant to both the anatomical and clinical fields as provide evidence as to the frequency of variant axillary artery branching and the potential for neurovascular elements to exist in a location other than their classical anatomical description.
The US-guided approach for saphenous nerve blockade using its close anatomic relationship to the SBDGA is a feasible alternative to previously described surface landmark-based or US-guided paravenous approaches.
Ultrasonography is widely practiced in many disciplines. It is becoming increasingly important to design well-structured curricula to introduce imaging to students during medical school. This review aims to analyze the literature for evidence of how ultrasonography has been incorporated into anatomy education in medical school curricula worldwide. A literature search was conducted using multiple databases with the keywords: "Ultrasound OR Ultrasonographic examination*" and "Medical student* OR Undergraduate teaching* OR Medical education*" and "Anatomy* OR Living anatomy* OR Real-time anatomy.*" This review found that ultrasound curricula vary in stage of implementation, course length, number of sessions offered to students as well as staffing and additional course components. Most courses consisted of didactic lectures supplemented with demonstration sessions and/or hands-on ultrasound scanning sessions. The stage of course implementation tended to depend on the aim of the course; introductory courses were offered earlier in a student's career. Most courses improved student confidence and exam performance, and more junior students tended to benefit more from learning anatomy with ultrasound guidance rather than learning clinical examination skills. Students tended to prefer smaller groups when learning ultrasound to get more access to using the machines themselves. Ultrasonography is an important skill, which should be taught to medical students early in their careers as it facilitates anatomical education and is clinically relevant, though further objective research required to support the use of ultrasound education as a tool to improve clinical examination skills in medical students. Clin. Anat. 30:452-460, 2017. © 2017 Wiley Periodicals, Inc.
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