Surgical and Radiologic Anatomy最新文献

{"title":"A rare anomalous muscle in the popliteal region - a case report.","authors":"Satheesha B Nayak, Aamna Kausar, Sharanya Rao, Sonal Nayak","doi":"10.1007/s00276-024-03505-8","DOIUrl":"10.1007/s00276-024-03505-8","url":null,"abstract":"<p><p>Anomalous muscles are rarely seen in the popliteal region of the lower limb. Some of them are harmless and go unnoticed and some create problems such as neuropathies. We report a novel case of an unusual additional muscle in this region. The additional muscle was closely associated with the short head of the biceps femoris muscle. It took its origin from the lower part of the lateral supracondylar line and the adjoining popliteal surface of the femur. The muscle was 10 cm in length, 1 cm in breadth and was fleshy throughout. It was oriented parallel to the medial side of the tendon of biceps femoris. It was inserted to the posterior aspect of the head of the fibula, medial to the insertion of the biceps femoris. The additional muscle derived its nerve supply from the sciatic nerve. The common peroneal nerve was closely related to the medial border of the additional muscle.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"2079-2081"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142478996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Variations of the rectus capitis posterior muscles: a case report.","authors":"Madeline M Damjanovic, Isabella G Damjanovic, Alexa Hryniuk","doi":"10.1007/s00276-024-03506-7","DOIUrl":"10.1007/s00276-024-03506-7","url":null,"abstract":"<p><p>Duplication, accessory slips, and division of the rectus capitis posterior muscles are rare anatomical variations. Here we report a case of unilateral doubling of rectus capitis posterior major, and doubling of rectus capitis posterior minor with an accessory slip originating from the spinous process of the second cervical vertebra. The gross anatomical characteristics, clinical significance, and relationship of suboccipital musculature to the cervical myodural bridge is discussed in this report. Knowledge of rectus capitis posterior muscle variations may be of interest to clinicians practicing surgical approaches to the posterior cervical region due to the close proximity of the variations to typical muscular and neurovascular structures of the suboccipital region and potential association with the cervical myodural bridge.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"1995-1998"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142479004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical implications of aberrant anatomy of the common hepatic duct in liver surgery: a systematic review and meta-analysis.","authors":"Juan José Valenzuela-Fuenzalida, Constanza Avalos-Díaz, Antonia Droguett-Utreras, Javier Guerra-Loyola, Pablo Nova-Baeza, Mathias Orellana-Donoso, Alejandra Suazo-Santibañez, Gustavo Oyanedel-Amaro, Juan Sanchis-Gimeno, Alejandro Bruna-Mejias, Gkionoul Nteli Chatzioglou","doi":"10.1007/s00276-024-03494-8","DOIUrl":"10.1007/s00276-024-03494-8","url":null,"abstract":"<p><strong>Introduction: </strong>Knowledge of anatomical variants that affect the hepatic duct (HD) are of particular clinical relevance during hepatobiliary surgical procedures. More specifically, the aberrant anatomy of the common HD is the most common anatomical variation affecting the biliary tree. Below, we describe different classifications of anatomical variants that affect this canal. According to Huang's classification, variations are determined depending on the insertion of the right posterior hepatic duct (RPHD).</p><p><strong>Materials and methods: </strong>Medline, Scopus, Web of Science, Google Scholar, CINAHL, and LILACS databases were investigated until January 2024. The methodological quality was assessed with an anatomical studies assurance tool (AQUA). Pooled prevalence was estimated using a random effects model. For the subgroup analysis, Student's T-test was used.</p><p><strong>Results: </strong>The prevalence rate of aberrant hepatic duct (AHD) was 15% (confidence interval [CI] of 7-22%). The first subgroup had cadavers and images. For the cadavers, the prevalence was 15.83% (CI: 11.22-18.3%), while the images had a prevalence of 22.06% (CI: 18.12-25.33%). This subgroup analysis showed no statistically significant difference between these groups (p = 0.127). The second subgroup comprised the continents where the included studies were from. In this subgroup, no statistically significant differences were found (p = 0.613). Finally, regarding the right or left laterality of the HD variant, there were no statistically significant differences (p = 0.089).</p><p><strong>Conclusion: </strong>A AHD corresponds to a finding that can occur in a significant percentage of our society, which could be an accidental discovery during surgeries or present asymptomatically throughout life and be a cadaveric discovery later. We believe it is important for surgeons to have prior knowledge of the possible variants of HD to prevent possible complications during and after surgery.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"2027-2047"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142331013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Arcuate anterior jugular vein: a rare case report and its clinical relevance.","authors":"José Jailson Costa do Nascimento, Leandro Moura Silva, Shannon de Oliveira Hunt, Rebeca Maurício Carneiro da Silva, Ana Cristina Falcão Esteves, Telma Sumie Masuko","doi":"10.1007/s00276-024-03501-y","DOIUrl":"10.1007/s00276-024-03501-y","url":null,"abstract":"<p><strong>Objective: </strong>The present study describes a rare anatomical variation of the anterior jugular vein (AJV) and discusses its clinical relevance.</p><p><strong>Methods: </strong>A head and neck specimen fixed in 10% formaldehyde from a 42-year-old female cadaver was submitted to angio technique with pre-vulcanized latex and water-soluble ink. During a routine dissection for the discipline of topographic anatomy, the presence of an arcuate AJV was detected in the anterior triangle of the neck.</p><p><strong>Results: </strong>An arcuate AJV was formed by the confluence of the submental and facial veins in the left submandibular region, which presented a complex network of anastomoses superficially to the left submandibular gland. After its origin, this vessel curved to the right at the level of the laryngeal prominence and followed the medial border of the right sternohyoid muscle to flow into the right AJV. In this topography, the arcuate AJV was located between the sternocleidomastoid muscle's anterior margin and the thyroid gland's right lobe. The presence of anastomoses between the two AJVs communicating the submandibular triangles was not detected.</p><p><strong>Conclusion: </strong>The arcuate AJV is a relevant anatomical variant in the superficial venous drainage of the neck that should be known by head and neck surgeons and radiologists to avoid surgical iatrogenic events.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"1977-1981"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142401753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ophthalmic artery originating from anterior inferior cerebellar artery: a rare variation.","authors":"Abdulkerim Gökoğlu, Hüseyin Yiğit, Enes Inan, Burak Öztürk, Halil Dönmez, Ahmet Selçuklu","doi":"10.1007/s00276-024-03500-z","DOIUrl":"10.1007/s00276-024-03500-z","url":null,"abstract":"<p><strong>Purpose: </strong>The variations of origin of ophthalmic artery are extremely rare. Here, we aimed to present a patient had a rare variation of the ophthalmic artery.</p><p><strong>Clinical presentation: </strong>The patient had a history of Moyamoya disease. The imaging studies revealed ophthalmic artery origination from basillar artery. In addition, M1-segment fusiform aneurysm, vasculitis and, as a variation, middle meningeal artery originating from the ophthalmic artery were also detected. We presented this case report as it is the first case with ophthalmic artery originating from anterior inferior cerebellar artery.</p><p><strong>Conclusion: </strong>In our case we reported, M1 segment fusiform aneurysm, vasculitis, and as a variation, middle meningeal artery originating from the ophthalmic artery and anterior inferior cerebellar artery as ophthalmic artery origin and hereby present it for inclusion into the literature. Ophthalmic artery anatomical abnormalities occupies so little place in existing literature when nominating rare variations. Ophtalmic artery originating from anterior inferior cerebellar artery firstly defined as an ophthalmic artery variation including its way-out branch structures.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"1955-1958"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142479002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The lingual and facial arteries' common origin: a systematic review with meta-analysis and a computed tomography angiography study.","authors":"George Triantafyllou, Katerina Vassiou, Fabrice Duparc, Marianna Vlychou, Ioannis Paschopoulos, George Tsakotos, Razvan Costin Tudose, Mugurel Constantin Rusu, Maria Piagkou","doi":"10.1007/s00276-024-03490-y","DOIUrl":"10.1007/s00276-024-03490-y","url":null,"abstract":"<p><strong>Purpose: </strong>The present evidence-based systematic review with meta-analysis aimed to investigate the fusion morphology of the lingual artery and facial artery (in the form of the linguofacial trunk-LFT) pooled prevalence and morphometry. After carefully investigating the data literature, a retrospective computed tomography angiography (CTA) study was performed to investigate a few parameters that were not well-studied.</p><p><strong>Materials: </strong>An evidence-based systematic review retrieved 41 studies that met our inclusion criteria to identify the LFT pooled prevalence. The literature search was performed using PubMed, Google Scholar, Scopus, and Web of Sciences databases. Then, a meta-analysis of the literature was performed using the open-source R programming language and the RStudio software. Moreover, two hundred CTAs were randomly selected and retrospectively studied to identify LFT topography, morphology, and morphometry.</p><p><strong>Results: </strong>The LFT pooled prevalence was calculated at 16.41%. The subgroup analyses for nationality, type of study, laterality, and gender retrieved no statistically significant association. The unilateral appearance was estimated at 15.92%, compared to the bilateral at 3.28% (p < 0.001). Concerning the findings of our original study, 50 LFTs were identified (12.5%) unilaterally in 34 patients and bilaterally in 8 patients. A significant correlation was observed between the distance LFT origin from the carotid bifurcation (CCB) (p < 0.001) and the distances LA and FA origin from the CCB (p = 0.004).</p><p><strong>Conclusions: </strong>A systematic review with meta-analysis of the LFT were presented, along with an original imaging retrospective study investigating detailed parameters of LFT topography, morphology and morphometry. Knowledge of LFT presence is essential for interventionists in the head and neck region.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"1937-1947"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142331017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Unilateral double fenestration of the same posterior cerebral artery at P1 segment: first cadaveric case report and literature review.","authors":"Felipe Marín-Navas, Maria Paula Ardila-Martínez, Maria Isabel Ocampo-Navia, Diego Armando Devia, Roberto Carlos Diaz-Orduz, Pablo Harker, Miguel Enrique Berbeo-Calderón","doi":"10.1007/s00276-024-03495-7","DOIUrl":"10.1007/s00276-024-03495-7","url":null,"abstract":"<p><strong>Purpose: </strong>Arterial fenestration involves an artery emerging from the same embryological origin, with its lumen divided into two channels that subsequently rejoin. This kind of vascular variant has consequences, such as focal defects in the histologic layers of the arteries, hemodynamic stress, and challenges for endovascular procedures in the management of vascular pathologies. The main objective of this work is to present a rare vascular variant, a double fenestration of the same P1 segment of a cadaveric specimen, and a literature review of these kind of vascular variants.</p><p><strong>Methods: </strong>A cadaveric study was performed in which 20 central nervous system specimens, from patients without neurological pathology obtained as a donation from the National Institute of Legal Medicine and Forensic Sciences, were dissected for educational and research purposes.</p><p><strong>Results: </strong>In one specimen it was found a double fenestration of the right P1 segment, associated with a single fenestration of the right superior cerebellar artery. Few cases of posterior circulation fenestration, beyond the vertebrobasilar trunk are reported in the literature, with limited understanding of the potential hemodynamic consequences thereof. In all the literature available, only eight cadaveric cases of P1 segment fenestration are documented, often linked with other central nervous system vascular abnormalities such as aneurysms or duplications.</p><p><strong>Conclusions: </strong>There is a single report of unilateral double P1 segment fenestration in a living patient. To our knowledge, this is the second case reported in the literature on this specific anatomical anomaly, and the first such report in a cadaver.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"1959-1963"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142629929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mechanical strength of the rotator cuff and cable interface: a complete histological and biomechanical study.","authors":"Maxime Fondin, Mathieu Miroir, Raphaël Guillin, Julien Landreau, Gevorg Ghukasyan, Alain Fautrel, Mickael Ropars, Xavier Morandi, Krystel Nyangoh Timoh, Jean-Benoît Le Cam","doi":"10.1007/s00276-024-03499-3","DOIUrl":"10.1007/s00276-024-03499-3","url":null,"abstract":"<p><strong>Purpose: </strong>This study sought to evaluate the biomechanical properties of the interface between the rotator cuff and the semicircular humeral ligament or rotator cable (RCa) using histological and biomechanical techniques.</p><p><strong>Methods: </strong>Out of 13 eligible cadaver specimens, 5 cadaver shoulders with an intact rotator cuff were included, 8 were excluded due to an injured rotator cuff. The histological study enables us to describe the capsule-tendon interface between the infraspinatus tendon (IST) or supraspinatus tendon (SST) and RCa, and to detect loose connective tissue layers to determine their precise location and measure their length along the interface. The biomechanical study sought to characterize and compare the mechanical strength of the IST-RCa versus SST-RCa interfaces.</p><p><strong>Results: </strong>The average thickness of the RCa was 1.44 ± 0.20 mm. The histological study revealed a loose connective tissue layer at the IST-RCa interface, a finding not observed at the SST-RCa interface. The biomechanical study showed that the rigidity of the SST-RCa interface (72.10^-2 N/mm) was 4.5 times higher than for the IST-RCa interface (16.10^-2 N/mm) and the average maximum forces reached were 19.0 N and 10.6 N for the SST-RCa and IST- RCa interfaces, respectively.</p><p><strong>Conclusion: </strong>The IST-RCa interface consists of a loose connective tissue layer contrary to the SST-RCa interface. In parallel, two different groups in terms of the mechanical response were identified: the IST-RCa interface group had less rigidity and ruptured more quickly than the SST-RCa interface, therefore emerging as the most vulnerable interface and explaining a potential extension of rotator cuff tears.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"2083-2091"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11579099/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142511642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sternalis featuring tendomuscular fusion to the contralateral sternocleidomastoid: a cadaveric case report.","authors":"Benjamin Kozlowski, Kristina Lisk","doi":"10.1007/s00276-024-03485-9","DOIUrl":"10.1007/s00276-024-03485-9","url":null,"abstract":"<p><strong>Purpose: </strong>To report the morphologic and spatial relationships of a bilateral sternalis muscle variant.</p><p><strong>Methods: </strong>Routine cadaveric dissection in an undergraduate anatomy laboratory revealed two sternalis muscles parasternal to the sternal body. Subsequent fine prosection of the anterior thoracic wall and neck was carried out to uncover the soft tissue attachments of both sternalis muscles. Positional relationship to neighboring anterior thoracic and neck structures, and geometric dimensions of the muscle bellies and tendons, were documented.</p><p><strong>Results: </strong>Both sternalis muscles were imbedded in the pectoral fascia, with their muscle fibers running obliquely to the midsternal line. The right sternalis muscle was notably larger in length, width, and thickness compared to the sternalis muscle on the left. The right sternalis muscle featured a distinct superior cord-like intermediate tendon that traversed superolateral and fused directly with the contralateral sternomastoid and sterno-occipital portions of the left sternocleidomastoid muscle. The superior tendon of the left sternalis muscle was aponeurotic and affixed to the cord-tendon of the right sternalis muscle. A distinct tendinous entheses for the sternal head for both sternocleidomastoid muscles were noted at the manubrial body.</p><p><strong>Conclusions: </strong>This case report describes a unique bilateral sternalis muscle variant with conjoined sternocleidomastoid muscle integration. This anatomical description of a sternalis-sternocleidomastoid muscle morphology may supplement radiographic interpretations and support diagnostic accuracy.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"1999-2004"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142331016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cadaveric study on the arterial blood supply to the middle third nasal skin: implications for aesthetic and reconstructive surgery.","authors":"Grégoire D'Andréa, Gilles Poissonnet, Olivier Camuzard, Nicolas Bronsard, Patrick Baqué","doi":"10.1007/s00276-024-03481-z","DOIUrl":"10.1007/s00276-024-03481-z","url":null,"abstract":"<p><strong>Purpose: </strong>To provide a detailed examination of the arterial blood supply to the middle third of the nasal skin through cadaveric dissections, identifying the primary arterial sources and their precise locations.</p><p><strong>Methods: </strong>Cadaveric dissections were performed on 14 hemifaces from fresh specimens. The main feeding arteries and their branches were carefully dissected under magnification. Morphometric characteristics of the specimens, along with the caliber of the arteries and their branches vascularizing the mid-third nasal skin were recorded, and statistically analyzed.</p><p><strong>Results: </strong>Four main arteries were identified as responsible for the blood supply to the mid-third of the nasal skin: the facial artery, the nasal branch of the infra-orbital artery (nbIOA), the dorsal nasal artery, and the upper branches of the columellar plexus. The lateral nasal artery (LNA) and the nbIOA were the main contributors, each providing significantly larger arterial branches than the other sources (1.8 ± 0.8 branches of 0.67 ± 0.2 mm for the LNA, p-value < 0.001-1 ± 0 branches of 0.55 ± 0.17 mm for the nbIOA, p-value < 0.01). The largest arterial branch consistently penetrated the lateral and inferior angle of the mid-third nasal skin, originated either from the LNA or nbIOA.</p><p><strong>Conclusion: </strong>The LNA and nbIOA endorse crucial roles in the arterial blood supply to the mid-third nasal skin. Despite the variability in vascular anatomy, a consistent pattern of arterial supply with convergence in the depth of the alarfacial groove was observed. Understanding these patterns is vital for improving surgical precision and reducing the risk of complications in both aesthetic and reconstructive surgeries.</p>","PeriodicalId":49461,"journal":{"name":"Surgical and Radiologic Anatomy","volume":" ","pages":"1905-1915"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142331012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}