Clinical diagnostics and imaging

A hybrid technique combining intramedullary pinning with extramedullary plate fixation in unstable and comminuted radial head fractures following on-table reconstruction

Management of comminuted radial fractures remains controversial. Currently, the emergence of on-table reconstruction technique has made fixation in comminuted radial head fractures more viable. However, the pr...

Authors: Xu Gao, Shi-you Dai, Hai-lei Yin, Fei Li, Yong-qiang Sui, Rui Huang and Hai-yu Fan

Globulin, the albumin-to-globulin ratio, and fibrinogen perform well in the diagnosis of Periprosthetic joint infection

Although periprosthetic joint infection (PJI) is a severe complication of total joint arthroplasty (TJA), the diagnosis of PJI remains challenging. Albumin (ALB), globulin (GLB), the albumin-to-globulin ratio ...

Authors: Huhu Wang, Haikang Zhou, Rendong Jiang, Zhenhao Qian, Fei Wang and Li Cao

The patellofemoral morphology and the normal predicted value of tibial tuberosity-trochlear groove distance in the Chinese population

Our objective was to obtain normal patellofemoral measurements to analyse sex and individual differences. In addition, the absolute values and indices of tibial tuberosity-trochlear groove (TT-TG) distances ar...

Authors: Zhe Li, Guanzhi Liu, Run Tian, Ning Kong, Yue Li, Yiyang Li, Kunzheng Wang and Pei Yang

Effect of electromyostimulation on intramyocellular lipids of the vastus lateralis in older adults: a randomized controlled trial

Excessive intramyocellular lipid (IMCL) accumulation is a primary cause of skeletal muscle insulin resistance, especially in older adults, and interventions that reduce IMCL contents are important to improve i...

Authors: Maya Hioki, Nana Kanehira, Teruhiko Koike, Akira Saito, Hideyuki Takahashi, Kiyoshi Shimaoka, Hisataka Sakakibara, Yoshiharu Oshida and Hiroshi Akima

Intra-articular platelet-rich plasma injections versus intra-articular corticosteroid injections for symptomatic management of knee osteoarthritis: systematic review and meta-analysis

Intra-articular (IA) corticosteroid (CS) injections are the mainstay of treatment for symptomatic management in knee osteoarthritis (OA), particularly in the UK. IA platelet-rich plasma (PRP) injections are a ...

Authors: Michael McLarnon and Neil Heron

Lumbar Scheuermann’s disease found in a patient with osteogenesis imperfecta (OI) caused by a heterozygous mutation in COL1A2 (c.4048G > A): a case report

Osteogenesis imperfecta (OI) is a heterogeneous connective tissue disorder characterized by increased bone fragility and a series of extraskeletal manifestations. Approximately 90 % of OI cases are caused by t...

Authors: Shiwei Wang, Xiaoli Wang, Xiaochun Teng, Songbai Li, Hanyi Zhang, Zhongyan Shan and Yushu Li

Intra-and interobserver reliability of determining the femoral footprint of the torn anterior cruciate ligament on MRI scans

Re-injury rates following reconstruction of the anterior cruciate ligament (ACL) are significant; in more than 20% of patients a rupture of the graft occurs. One of the main reasons for graft failure is malpos...

Authors: M. J. M. Zee, R. A. Sulaihem, R. L. Diercks and I. van den Akker-Scheek

Severe osteolysis and periprosthetic femoral fracture 45 years after acrylic hemiarthroplasty of the hip: a case report

Hip arthroplasty using acrylic prosthesis was once conducted; however, it has now been abandoned because of early breakages and wear of material. Therefore, complications or revision surgeries due to the use o...

Authors: Hisatoshi Ishikura, Masaki Nakamura, Kenta Matsuda, Takeyuki Tanaka, Hirotaka Kawano and Sakae Tanaka

Osteitis fibrosa cystica mimicking bone tumor, a case report

We report a case of osteitis fibrosa cystica, a rare benign resorptive bone lesion caused by hyperparathyroidism, that presented on imaging as an aggressive bone tumor.

Authors: Maya L. Nasser, Serge Medawar, Tonine Younan, Halim Abboud and Viviane Trak-Smayra

Spinal mobility in radiographic axial spondyloarthritis: criterion concurrent validity of classic and novel measurements

Limitations in spinal mobility are a characteristic feature of Axial Spondyloarthritis. Current clinical measurements of spinal mobility have shown low criterion-concurrent validity. This study sought to evalu...

Authors: John Charles Snow, Kyle Simpson, Proton Rahman, Samuel Howarth and Diana De Carvalho

Refracture of the cemented vertebrae after percutaneous vertebroplasty: risk factors and imaging findings

To determine the related imaging findings and risk factors to refracture of the cemented vertebrae after percutaneous vertebroplasty (PVP) treatment.

Authors: Yu-chao Xiong, Wei Guo, Fan Xu, Ci-ci Zhang, Zhi-ping Liang, Li Wu, Song Chen and Xu-wen Zeng

Turner’s syndrome associated with discoid lateral meniscus and Blount’s disease: a case report

Turner’s syndrome, discoid meniscus, and Blount’s disease have all been studied in isolation, but, to the best of our knowledge, there have been no studies reporting a patient with all three. Thus, the first c...

Authors: Tsunemasa Kita, Takuya Tajima and Etsuo Chosa

Different diagnostic performance of plasma fibrinogen and D-dimer in periprosthetic joint infection: a propensity score matched study

Fibrinogen (Fbg) and D-dimer have been used as biomarkers for the diagnosis of periprosthetic joint infection (PJI). However, previous research has reported conflicting results on the diagnostic value of D-dim...

Authors: Xi Chen, Wenwei Qian, Xisheng Weng, Jin Lin, Jin Jin, Yiou Wang and Shibai Zhu

Possible involvement of the autonomic nervous system in cervical muscles of patients with myalgic encephalomyelitis / chronic fatigue syndrome (ME/CFS)

Patients with myalgic encephalomyelitis / chronic fatigue syndrome (ME/CFS) sometimes present with stiffness of the cervical muscles. To investigate the pathophysiology of ME/CFS, this observational study comp...

Authors: Takayoshi Matsui, Kazuhiro Hara, Makoto Iwata, Shuntaro Hojo, Nobuyuki Shitara, Yuzo Endo, Hideoki Fukuoka, Masaki Matsui and Hiroshi Kawaguchi

Artificial intelligence improves the accuracy of residents in the diagnosis of hip fractures: a multicenter study

Less experienced clinicians sometimes make misdiagnosis of hip fractures. We developed computer-aided diagnosis (CAD) system for hip fractures on plain X-rays using a deep learning model trained on a large dat...

Authors: Yoichi Sato, Yasuhiko Takegami, Takamune Asamoto, Yutaro Ono, Tsugeno Hidetoshi, Ryosuke Goto, Akira Kitamura and Seiwa Honda

Sensorimotor and body perception assessments of nonspecific chronic low back pain: a cross-sectional study

Low back pain (LBP) is one of the most common musculoskeletal disorders, causing significant personal and social burden. Current research is focused on the processes of the central nervous system (particularly...

Authors: R. Meier, C. Emch, C. Gross-Wolf, F. Pfeiffer, A. Meichtry, A. Schmid and H. Luomajoki

The Chinese version of the American shoulder and elbow surgeons standardized shoulder assessment form questionnaire, patient self-report section: a cross-cultural adaptation and validation study

The patient self-report section of the American Shoulder and Elbow Surgeons Standardized Shoulder Assessment Form (ASESp) is one of the most validated and reliable assessment tools. This study aimed to establi...

Authors: Tung-Hee Albert Tie, Chih-Kai Hong, Illich Chua, Fa-Chuan Kuan, Wei-Ren Su and Kai-Lan Hsu

Chondroblastoma of the patella with secondary aneurysmal bone cyst, an easily misdiagnosed bone tumor:a case report with literature review

Chondroblastoma (CB) is a rare, primary, benign bone tumor that commonly affects men aged 15–20 years. It is usually detected in the epiphysis of the long bones, such as the proximal femur, humerus, and tibia....

Authors: Jianping Zheng, Ningkui Niu, Jiandang Shi, Xu Zhang, Xi Zhu, Jiali Wang and Changhao Liu

Atrophy patterns in isolated subscapularis lesions

While supraspinatus atrophy can be described according to the system of Zanetti or Thomazeau there is still a lack of characterization of isolated subscapularis muscle atrophy. The aim of this study was to des...

Authors: Gernot Seppel, Andreas Voss, Daniel J. H. Henderson, Simone Waldt, Bernhard Haller, Philipp Forkel, Sven Reuter, Boris M. Holzapfel, Johannes E. Plath and Andreas B. Imhoff

A case of an injured calcaneus secundarius in a professional soccer player

The calcaneus secundarius (CS) is an accessory ossicle of the anterior facet of the calcaneus and is usually asymptomatic. This accessory bone can be frequently mistaken for a fracture of the anterior process ...

Authors: Sabrina Kepka, Marc Morel, Franck Garnier, François Pietra, Nicolas Marjanovic, Pascal Zeller, Pascal Bilbault, Stéphane Kremer and Guillaume Bierry

Letter to the Editor: Non-selective bilateral internal iliac artery embolization is a safe and effective way in hemorrhage control for hemodynamically unstable pelvic fractures

A recently published article by Lai et al. in BMC Musculoskeletal Disorders trying to show that patients with pelvic fractures undergoing non-selective internal iliac artery embolization may lead to a higher r...

Authors: Hui Li and Ping Hu

Severe erosive lesion of the glenoid in gouty shoulder arthritis: a case report and review of the literature

Gout is a metabolic disease characterized by recurrent episodes of acute arthritis. Gout has been reported in many locations but is rarely localized in the shoulder joint. We describe a rare case of gouty arth...

Authors: Huricha Bao, Yansong Qi, Baogang Wei, Bingxian Ma, Yongxiang Wang and Yongsheng Xu

Frailty as a risk factor for postoperative complications in adult patients with degenerative scoliosis administered posterior single approach, long-segment corrective surgery: a retrospective cohort study

With the population aging worldwide, adult degenerative scoliosis (ADS) is receiving increased attention. Frailty, instead of chronological age, is used for assessing the patient’s overall physical condition. ...

Authors: Bin Li, Xianglong Meng, Xinuo Zhang and Yong Hai

The trochanteric double contour is a valuable landmark for assessing femoral offset underestimation on standard radiographs: a retrospective study

Inaccurate projection on standard pelvic radiographs leads to the underestimation of femoral offset—a critical determinant of postoperative hip function—during total hip arthroplasty (THA) templating. We noted...

Authors: Stefan Blümel, Vincent A. Stadelmann, Marco Brioschi, Alexander Küffer, Michael Leunig and Hannes A. Rüdiger

The evaluation of degeneration of posterior cruciate ligament using CT Hounsfield unit in knee osteoarthritis

Posterior cruciate ligament (PCL) degeneration is often seen in knee osteoarthritis (OA); however, there is no established method for its evaluation. The purpose of this study is to investigate whether the Hou...

Authors: Yoshikazu Sumida, Tomoyuki Nakasa, Masakazu Ishikawa, Atsuo Nakamae and Nobuo Adachi

Heterotopic ossification in the post cruciate ligament of the knee: a case report and literature review

Heterotopic ossification (HO) is noted most frequently in periarticular muscles and has not yet been reported in the cruciate ligaments of the knee. We present a rare case of symptomatic ossification of the po...

Authors: Cun Li, Zonggui Huang, K. C. Anil, Chendeng Lao, Qianghua Wu and Hongmian Jiang

Extending the straight leg raise test for improved clinical evaluation of sciatica: reliability of hip internal rotation or ankle dorsiflexion

The straight leg raise (SLR) is the most commonly applied physical tests on patients with sciatica, but the sensitivity and specificity ratings for disc hernia and neural compression leave areas for improvemen...

Authors: Janne Pesonen, Michael Shacklock, Pekka Rantanen, Jussi Mäki, Lauri Karttunen, Markku Kankaanpää, Olavi Airaksinen and Marinko Rade

An acquired plica-induced notch in the medial femoral condyle in a patient with medial patellar plica syndrome: a case report

An inflamed and thickened medial patellar plica (MPP) caused by repeated mechanical irritation from trauma or overuse leads to impingement between the anterior medial femoral condyle and the medial articular f...

Authors: Sung-Jae Kim, Yong Gon Koh and Yong Sang Kim

Early surgery with antibiotic medication was effective and efficient in treating pyogenic spondylodiscitis

Pyogenic spondylodiscitis (PSD) is challenging to the orthopedist with regards to diagnosis and treatment. The present study was designed to assess and suggest the most indicative diagnostic method and evaluat...

Authors: Wei Guo, Min Wang, Guangfu Chen, Kuan-Hung Chen, Yong Wan, Bailing Chen, Xuenong Zou and Xinsheng Peng

Isolated thoracic intramedullary Erdheim-Chester disease presenting with paraplegia: a case report and literature review

Erdheim-Chester disease (ECD) is a rare, idiopathic, systemic non-Langerhans cell histiocytosis involving long bone and visceral organs. Central nervous system (CNS) involvement is uncommon and most cases deve...

Authors: Ikchan Jeon and Joon Hyuk Choi

Longitudinal study of MRI and functional outcome measures in facioscapulohumeral muscular dystrophy

Facioscapulohumeral muscular dystrophy (FSHD) is a patchy and slowly progressive disease of skeletal muscle. For MRI to be a useful biomarker in an FSHD clinical trial, it should reliably detect changes over r...

Authors: Leo H. Wang, Dennis W. W. Shaw, Anna Faino, Christopher B. Budech, Leann M. Lewis, Jeffrey Statland, Katy Eichinger, Stephen J. Tapscott, Rabi N. Tawil and Seth D. Friedman

Invited reply to the letter to the editor by McNally et al., 2021

Authors: Christian Morgenstern, Nora Renz, Sabrina Cabric, Elena Maiolo, Carsten Perka and Andrej Trampuz

The importance of appropriate diagnostics in prosthetic joint infection: letter to the editor of BMC musculoskeletal disorders

Assessment of a new diagnostic test must be performed against an acceptable and validated standard to allow comparison with other studies. We are concerned that the adoption of lower diagnostic criteria in thi...

Authors: Martin McNally, Marjan Wouthuyzen-Bakker, Ricardo Sousa, Bridget Atkins and Alex Soriano

Exercise-induced muscle damage: multi-parametric MRI quantitative assessment

To explore the value of magnetic resonance quantitative analysis using diffusion tensor imaging, T2 mapping, and intravoxel incoherent motion in the evaluation of eccentric exercise-induced muscle damage and t...

Authors: Xiaohong Lyu, Yue Gao, Qiang Liu, Heng Zhao, Huadong Zhou and Shinong Pan

Diagnosis and surgical treatment of primary isolated aggressive lumbar myeloid sarcoma: a rare case report and review of the literatures

Myeloid sarcoma is a rare, extramedullary, solid tumor derived from immature myeloid cell precursors. It is most frequently accompanied by acute myelogenous leukemia, though infrequently found in non-acute mye...

Authors: Cheng-Rui Bai, Xiang Li, Jing-Shi Wang, Jin-Jun Li, Ning Liu, Qi Fei, Dong Li and Yong Yang

Microbial yield from infectious tissues pretreated by various methods: an invitro study

This study aimed to evaluate the effects of different pretreatment methods on the microbial yield from infectious tissues.

Authors: Yuanqing Cai, Xinyu Fang, Lvheng Zhang, Xurong Yang, Lixiong Nie, Zida Huang, Wenbo Li, Chaofan Zhang, Bin Yang, Zhenpeng Guan and Wenming Zhang

Image classification of osteoporotic vertebral fracture with endplate-disc complex Injury

The purpose of this study was to use MRI and CT to observe osteoporosis vertebral fracture (OVF) combined with endplate-disc complex (EDC) injury and to classify the degree of EDC injury according to the chang...

Authors: Shuai Zhang, Song Wang, Qing Wang, Jin Yang and Shuang Xu

Dedifferentiated chondrsarcoma: a clinicopathologic analysis of 25 cases

To investigate the clinical, imaging and pathological features of dedifferentiated chondrosarcoma for better diagnosis.

Authors: Lei Cao, Yuan Wu, Shu-Man Han, Tao Sun, Bao-Hai Yu, Feng Gao, Wen-Juan Wu and Bu-Lang Gao

Diagnostic criteria for musculoskeletal disorders for use in occupational healthcare or research: a scoping review of consensus- and synthesised-based case definitions

The aim of this study was to identify case definitions of diagnostic criteria for specific musculoskeletal disorders (MSDs) for use in occupational healthcare, surveillance or research.

Authors: Henk F. van der Molen, Steven Visser, Jose Hernán Alfonso, Stefania Curti, Stefano Mattioli, David Rempel, Yves Roquelaure, P. Paul F. M. Kuijer and Sietske J. Tamminga

Minimally displaced unilateral facet fracture of cervical spine can lead to spinal cord injury: a report of two cases

According to most of the commonly used classification systems for subaxial spine injuries, unilateral and minimally displaced facet fractures without any sign of a spinal cord injury would be directed to non-o...

Authors: Satoshi Maki, Mitsuhiro Kitamura, Takeo Furuya, Takuya Miyamoto, Sho Okimatsu, Yasuhiro Shiga, Kazuhide Inage, Sumihisa Orita, Yawara Eguchi and Seiji Ohtori

Characteristics of relief and residual low back pain after discectomy in patients with lumbar disc herniation: analysis using a detailed visual analog scale

Several authors have reported favorable results in low back pain (LBP) for patients with lumbar disc herniation (LDH) treated with discectomy. However, detailed changes over time in the characteristics and loc...

Authors: Hiroshi Takahashi, Yasuchika Aoki, Masahiro Inoue, Junya Saito, Arata Nakajima, Masato Sonobe, Yorikazu Akatsu, Keita Koyama, Yasuhiro Shiga, Kazuhide Inage, Yawara Eguchi, Sumihisa Orita, Satoshi Maki, Takeo Furuya, Tsutomu Akazawa, Tetsuya Abe…

Validity and reliability of smartphone applications for measurement of hip rotation, compared with three‐dimensional motion analysis

Measurement of hip rotation is a crucial clinical parameter for the identification of hip problems and the monitoring of symptoms. The objective of this study was to determine whether the use of two smartphone...

Authors: Phob Ganokroj, Nuchanun Sompornpanich, Pichitpol Kerdsomnuek, Bavornrat Vanadurongwan and Pisit Lertwanich

Gravity determines the direction of nerve roots sedimentation in the lumbar spinal canal

To investigate the role of gravity in the sedimentation of lumbar spine nerve roots using magnetic resonance (MR) imaging of various body positions.

Authors: Jun Yang, Zhiyun Feng, Nian Chen, Zhenhua Hong, Yongyu Zheng, Jiang Yang, Tingjie Zhou, Xin Yao, Taifeng Xu and Linting Zhang

Characteristics of hip impingement syndrome in patients with multiple hereditary exostoses

This study aimed to investigate the characteristic deformities of the hip in multiple hereditary exostoses patients (MHE) and its association with the hip impingement syndrome.

Authors: Yeong-Seub Ahn, Sungmin Kim, Woo-Jong Kim, Jun-Hyuk Lim and Sung-Taek Jung

Effect of real-time ultrasound imaging for biofeedback on trunk muscle contraction in healthy subjects: a preliminary study

Real-time ultrasound imaging (RUSI) has been increasingly used as a form of biofeedback when instructing and re-training muscle contraction. However, the effectiveness of the RUSI on a single sustained contrac...

Authors: Shanshan Lin, Bo Zhu, Yiyi Zheng, Guozhi Huang, Qing Zeng and Chuhuai Wang

Treatment of the fresh central slip avulsion of the extensor tendon by bone tunnel-tendon suture: a prospective cohort study

The current evidence base for the management of central slip avulsions is limited from obtaining a best approach. The purpose of this study was to evaluate the clinical effect and feasibility of repairing the ...

Authors: Bin Wang, Yiming Lu, Tianliang Wang, Jiaxiang Gu and Naichen Zhang

Electromagnetic navigation reduces radiation exposure for retrograde drilling in osteochondrosis dissecans of the talus

Retrograde drilling in osteochondrosis dissecans (OCD) is a widely used surgical intervention. A radiation-free electromagnetic navigation system (ENS)-based method was compared with the standard freehand fluo...

Authors: Oliver D Jungesblut, Josephine Berger-Groch, Michael Hoffmann, Malte Schroeder, Kara L. Krajewski, Ralf Stuecker and Martin Rupprecht

Accuracy measures of 1.5-tesla MRI for the diagnosis of ACL, meniscus and articular knee cartilage damage and characteristics of false negative lesions: a level III prognostic study

MRI is the most accurate imaging modality for diagnosing knee pathologies. However, there is uncertainty concerning factors predicting false negative MRI, such as meniscal tear patterns as well as patient fact...

Authors: Jonathan E. J. Koch, Ron Ben-Elyahu, Basel Khateeb, Michael Ringart, Meir Nyska, Nissim Ohana, Gideon Mann and Iftach Hetsroni

Intraoperative three-dimensional imaging in ankle syndesmotic reduction

Authors: Markus Beck, Manuela Brunk, Alice Wichelhaus, Thomas Mittlmeier and Robert Rotter

Combination of high-frequency ultrasound and virtual touch tissue imaging and quantification improve the diagnostic efficiency for mild carpal tunnel syndrome

Carpal tunnel syndrome (CTS) is the most common entrapment symptom in the peripheral nerves. High-frequency ultrasound (HFUS) is widely used in the diagnosis of CTS. Virtual Touch Tissue Imaging and Quantifica...

Authors: Zhen-han Lai, Shu-ping Yang, Hao-lin Shen, Yi Luo, Xiao-han Cai, Wen-ting Jiang, Li-ping Liao, Kun-bin Wu and Guo-rong Lv