Bone - Science topic

Based on histological cross sections, the chondrocranium of the common musk turtle (Sternotherus odoratus) was reconstructed, described, and compared to other turtles. It differs from that other turtle chondrocrania by possessing elongated, slightly dorsally orientated nasal capsules with three dorsolateral foramina, which might be homologous to th...

A 39-year-old woman diagnosed with persistent congenital tibial pseudoarthrosis until adulthood presented with a right leg angular deformity, associated pain, and significant limb length discrepancy. Over a 17-year period, the case was closely monitored and treated through excision of the pseudarthrosis, vascularised fibular graft with bone marrow-...

Dental implants have evolved significantly, but various failures continue to arise, initially focused on osseointegration and, more recently, involving aesthetic concerns. However, the criteria for evaluating aesthetic failures are still not well defined. These failures can be classified into issues related to the white tissue (crowns) and pink tis...

Bone loss and fragility are indications of osteoporosis, a condition caused by calcium deficiency. The detection of osteoporosis is a significant and difficult diagnostic endeavor. Elman recurrent neural network (ERNN) is a well-known medical disease detection method due to its modeling sequential data and capturing temporal dependencies. ERNN trai...

Aims Limb salvage surgery (LSS) is the primary treatment option for primary bone malignancy. It involves the removal of bone and tissue, followed by reconstruction with endoprosthetic replacements (EPRs) to prevent amputation. Trabecular metal (TM) collars have been developed to encourage bone ingrowth (osseointegration (OI)) into EPRs. The primary...

Penelitian ini bertujuan untuk mengetahui Peran Dinas Ketenagakerjaan Kabupaten Bone Dalam Memberikan Perlindungan Hukum Bagi Pekerja Anak Berdasarkan Undang-Undang No. 13 Tahun 2003 Tentang Ketenagakerjaan. Penelitian ini merupakan penelitian empiris dengan metode deskriptif-analitis. Hasil penelitian ini menunjukkan bahwa Dinas Ketenagakerjaan Ka...

Chronic recurrent multifocal osteomyelitis, which was originally described as chronic non-bacterial osteomyelitis is an autoinflammatory bone disorder of idiopathic origin affecting the metaphyseal portion of long bones at multiple sites. This disease entity, which was previously considered to be rare; is now showing a higher incidence according to...

Background The presence of a human tail is a rare condition resulting from an embryonic remnant that fits the definition of a caudal appendage. It may be a vestigial (true) or a pseudotail. Both may be considered markers of underlying intraspinal abnormalities. Case Description The present case documents a 5-year-old girl with a caudal appendage i...

In the field of pediatric medicine, accurate and timely prediction of bone age is essential for assessing growth and development, and informing treatment decisions. This study addresses the RSNA Pediatric Bone Age Challenge using deep learning and image analysis techniques and presents experimental results and analysis from two alternative model ar...

A case of Short Root Anomaly (SRA), hypodontia and taurodontism with the associated finding of transverse hemimelia, is presented. Although there is no documented evidence of a link between SRA and hemimelia, the shared genetic, environmental and metabolic factors suggest the possibility of a common underlying mechanism.

Background/Objectives: In recent years, there have been significant advances in the understanding and treatment of multiple myeloma (MM). Despite this progress, there is still limited information on the disease in patients aged 50 or younger, including the impact of young age on disease characteristics, treatment, and outcome. Methods: In this retr...

Non-odontogenic cysts are extremely rare entities of the oral cavity as compared to the usual cysts of odontogenic origin affecting the jaw bones. Nasopalatine duct cysts (NPDCs) are the commonest of them involving the anterior hard palate. Theyare considered as non-neoplastic developmental cysts originating from the embryonic epithelial vestiges o...

Objective To analyze and study the causes and treatment approaches for lumbar disc herniation, focusing on office workers. Methods The concept of spinal internal balance disorder as a foundation for treating traumatic spinal diseases was introduced. Pathological changes occurring with single (or multiple) vertebral displacement were considered. Fo...

The Capsian (9000–5400 cal BC) is an early Holocene Northwest African prehistoric tradition. It is generally divided into two facies: the Typical Capsian (TC) and the Upper Capsian (UC). While the TC was restricted to the eastern Capsian range, the UC existed in both the eastern and western ranges. Initially, these two facies were regarded as two s...

Fatal skull stabs are rare. In the case reported here, a 28-year-old man sustained an isolated penetrating skull injury from a knife and died two days later. The bone shard with the stab puncture, which was neurosurgically removed before death, later allowed the reproducible exact assignment of the murder knife found at the scene to the stab as wel...

Objective The relationship between cervical disc degeneration and bone quality of adjacent vertebral body remains controversial. This study aims to investigate the relationship between cervical disc degeneration and bone quality of the adjacent vertebral body and sub‐endplate bone with a new MRI‐based bone quality score in patients over 50 years wi...

Background: This study aimed to develop an algorithm for modelling tooth–tooth or implant–implant support configurations for a given 4-unit fixed partial denture (FPD). Methods: The algorithm was implemented in Rhinoceros/Grasshopper to automatically generate geometries with varying bone loss (0 mm to 3 mm), support type (tooth–tooth and implant–im...

Chronic osteomyelitis is still common in developing countries, with patients often presenting late due to complications arising from the disease. The surgical treatment poses a considerable challenge due to the relatively high incidence of recurrence. The Cierny and Mader two-stage method of surgical treatment is gradually evolving as a standard in...

Most abscopal effects are reported as sporadic and unpredictable events following radiotherapy at symptomatic sites. Herein, we report a case in which a planned abscopal effect was induced following deliberate radiotherapy and concurrent systemic immunotherapy. A 53-year-old man with a combined positive score ≥10 developed extensive metastatic blad...

In this paper, we present an approach for monocular open-set novel view synthesis (NVS) that leverages object skeletons to guide the underlying diffusion model. Building upon a baseline that utilizes a pre-trained 2D image generator, our method takes advantage of the Objaverse dataset, which includes animated objects with bone structures. By introd...

Calcifying aponeurotic fibroma is a rare tumor that can involve the upper extremity, but deep hand space involvement is exceptionally uncommon and presents unique diagnostic and treatment challenges. We present a 9-year-old girl with a progressively enlarging mass on the ulnar side of the left palm. Magnetic resonance imaging revealed an ill-define...

The contribution of kidney, pelvic, and heart (KPH) fat to predicting carcass yield in the official USDA Yield Grade equation has been questioned in the modern U.S. slaughter cattle population and has not been extensively studied. Many U.S. beef processors remove KPH fat at harvest to facilitate faster chilling and easier fabrication. The objective...

Skin grafts are used in a variety of clinical situations. The essential indication for the application of a skin graft is wound closure. Skin grafts are usually the initial treatment of choice for many open wounds that cannot be closed primarily. Skin grafts are generally avoided in the management of more complex wounds. Anfractuous wounds; exposed...

The aim of finite element analysis (FEA) study was to compare two zygomatic implant (ZI) techniques in combination with conventional implants. A FEA model was constituted based on computed tomography data of a patient. ZIs were virtually placed into models with sinus slot or extra sinus techniques combined with two or four conventional implants. Oc...

Pemulihan minat baca mahasiswa pasca pandemi covid-19 memerlukan strategi yang serius agar tujuan pendidikan tetap dapat tercapai secara optimal. Metode penelitian yang digunakan adalah penelitian lapangan dengan pendekatan ilmu manajemen perpustakaan dan analisis data kualitatif. Berdasarkan data lapangan bahwa perbandingan tingkat kunjungan ke pe...

The planning of dental implants plays a crucial role in determining the success of dental treatments. Recent advancements in technologies, particularly computed tomography (CT), have significantly transformed this practice by allowing precise three-dimensional evaluations of oral anatomy and bone quality. This enhanced capability provides detailed...

Bone biomaterials have garnered significant attention in the field of regenerative medicine due to their application in a wide range of clinical scenarios [...]

Although new infections due to viral hepatitis are declining as a result of numerous efforts to prevent and control hepatitis B virus (HBV), it remains the second leading infectious cause of death after tuberculosis. The lack of contextual management of HBV and its consequences may be one of the many reasons for these deaths. Drugs such as tenofovi...

Introduction. – Chondroid syringoma or ceruminous pleomorphic adenoma is a benign mixed cutaneous tumor. It is the second most frequent glandular lesion in the external auditory canal, but no cases associated with bone erosion were found in a PubMed search. Case report. – The present CARE case report details a chondroid syringoma in the external au...

In 2013, EWMA [1] defined debridement as the “Elimination of necrotic, devitalised, infected tissue, hyperkeratosis, hematomas, foreign bodies, debris, bone splinters or any other type of element.” The purpose of removing the necrosis is both to make the diagnosis (e.g., evaluation of the stage of a pressure ulcer after debridement), but also to av...

Introduction: Road traffic accidents (RTA's) are a leading cause of mortality and a serious injury world wide, with skull fractures frequently emerging as a significant consequence of such incidents. The pattern and distribution of skull fractures can provide valuable insights into the mechanisms of injury and the severity of accidents. Understandi...

Immediate loading implant surgery has emerged as a significant advancement in the rehabilitation of edentulous patients. This approach requires meticulous planning and precise execution to ensure successful outcomes. Transferring established intermaxillary and occlusal relationships to the definitive prostheses can be challenging. However, with a d...

Gunshot causes tissue damages by disrupting the tissue, through bleeding, and by permitting entrance of infection. The mechanism of tissue injuries is mixed, blunt, and penetrating trauma injuries. For penetrating trauma, destruction of flesh tissue is due to passing of the bullet through it and the large amount of kinetic energy transferred to the...

Skeletochronology, a method for determining individual age in poikilothermic animals with annual cyclic growth, has become widespread due to its reliability, the ability to determine the age of living animals, and the ability to retrospectively estimate body size from the size of annual growth marks. The purpose of the review is to give an idea of...

Background: Establishment of identity is a real challenge when dead bodies are burnt, mutilated, or skeletonized. Stature is a very useful tool to establish the identity. Study of estimation of stature from the length of long bones are there in the literature, however the reliability of the formula is not consistent in many instances. The present s...

Penelitian ini adalah penelitian kualitatif dengan metode deskriptif. Tujuan penelitian ini adalah untuk mengetahui stratregi guru dalam mengembangkan bakat siswa tunarungu di SLBN 1 Bone . Adapun hasil penelitian ini terkait strategi guru dalam mengembangkan bakat siswa tunarugu adalah pertama, identifikasi yakni guru mengidentifikasi bakat siswa...

Introduction: Hypovitaminosis D plays an important role in post-operative bone pain and muscle strength in arthroplasty surgeries. Its role in unicompartmental knee arthroplasty (UKA) has not been elucidated yet. The objective of this study was to determine the impact of hypovitaminosis D and its correction on post-operative bone pain after UKA. Ma...

The concurrent occurrence of plasma cell mastitis(PCM) and breast cancer is rare. Plasma cell mastitis(PCM) is a chronic inflammatory breast disease. Metastatic breast cancer(MBC) is breast cancer that has spread to another part of the body commonly the bones, lungs, liver or brain. Presented is a 28 year old woman who was seen at the emergency dep...

1. Which of the following imaging techniques is NOT mentioned as helpful in planning orthopaedic operations? a) X-rays b) Ultrasound c) Magnetic resonance imaging (MRI) d) Computed tomography (CT) Answer: b) Ultrasound Explanation: X-rays, MRI, and CT are helpful imaging techniques for planning orthopaedic operations, not ultrasound 2. What is the...

Background: Ameloblastic carcinoma is a rare malignant form of ameloblastoma accounting for 0.3-3.5% of all odontogenic tumours. Its management is controversial due to its rarity. This study assessed the pattern, management, and outcome of patients diagnosed with ameloblastic carcinoma at the University of Nigeria Teaching Hospital, Enugu, Nigeria.

Purpose of Review To present race and ethnicity as evidence of the need for precision medicine in renal osteodystrophy. Recent Findings Previously described racial-ethnic differences in bone persist in recent data on fracture risk in the healthy and CKD populations. These differences have historically been noted between Black and White participant...

Fibrodysplasia ossificans progressiva and progressive osseous heteroplasia are genetic forms of heterotopic ossification (HO). Fibrodysplasia ossificans progressiva is caused by ACVR1 gene mutations, while progressive osseous heteroplasia is caused by GNAS gene mutations. Nongenetic HO typically occurs after trauma or surgery, with an occurrence ra...

BULLET PREVIEW CHAPTER 9.pdf"

span lang="EN-US">In this study, a novel approach is introduced for fracture detection in bone x-ray images, introducing the triple context attention model (TCAN) that combines concentrated extensive convolutional segments with an attention mechanism to enhance positional data. The TCAN model significantly improves fracture recognition accuracy whi...

Objective To evaluate the performance of a 3D T1-weighted gradient-echo (3D T1GRE) computed tomography (CT)-like magnetic resonance imaging (MRI) sequence for detecting and assessing wrist and hand fractures compared to conventional CT. Methods Subjects with acute wrist or hand fracture in CT underwent additional 3 T MRI including a CT-like 3D T1G...

Archivio per l’Antropologia e la Etnologia - Vol. CLIV (2024) Human Stature is a widely used index of both individuals and populations. Stature is a sensitive measure of a series of factors including gender, age, social status, and environment. Human biologists and historians can use information on stature to better understand the human condition t...

Objectives Eosinophilic chronic rhinosinusitis (ECRS) is an allergic inflammatory disease characterized by chronic inflammation of the sinus mucosa, and sometimes, osteitis. This study aimed to investigate the pattern of osteitis in ECRS and the relationship between bony thickening of the middle turbinate and recurrence of ECRS. Methods A total of...

Bone health and maintenance of integrity are essential aspects for cancer patients receiving comprehensive treatment. With the breakthrough in different cancer therapies, the number of long-term cancer survivors is rapidly expanding. At the same time, the bone health issues are gradually becoming more serious. This commentary aims to summarize the...

Retrospectively analyse the 99mTc-MDP SPECT whole-body bone scan in POEMS syndrome to explore its clinical value. Twenty-four untreated patients with pathologically confirmed POEMS syndrome were included in the study. 24 of them underwent 99mTc-MDP SPECT whole-body bone scan, 24 underwent CT examination and 18 patients underwent X-ray examination i...

We commend the ongoing development and success of the Archives of Bone and Joint Surgery (ABJS), a journal that has demonstrated remarkable growth and impact in orthopedics over the past years. An analysis of the journal’s metrics from the Scopus database, covering the period from 2013 to 2024 (until October), reveals a positive trend that me...

In the UK, multidisciplinary teamwork for patients with hip fracture has been shown to reduce mortality and improves health-related quality of life for patients, while also reducing hospital bed days and associated healthcare costs. However, despite rapidly increasing numbers of fragility fractures, multidisciplinary shared care is rare in low- and...

Bone maturation is the process of ossification development that takes place during childhood and adolescence as somatic growth occurs, and it allows determining the biological development of the patient in a more reliable way than chronological age. This analysis is performed through radiographs that show the modifications in the bones throughout g...

Among the main purposes in the medical industry for prevention, diagnosis, and treatment of diseases are controlling radiation doze using a state-of-the-art medical technology, and optimizing image quality. The study of radiation properties and their effect and interaction, medical imaging analysis, and nuclear medicine offer unwavering interest. N...

Porous ceramics combine excellent properties, such as being lightweight, having good mechanical strength and wear behavior, outstanding high-temperature properties, resistance to thermal shock and corrosion, etc. To further enhance their properties and broaden their applications, porous ceramic composites have been developed in recent years by comb...

Free fibula flap has been a workhorse for head, neck, and extremity long bone defects. We discuss the reconstruction challenge in an unusual hand injury case involving the loss of multiple metacarpals and soft tissue with surprising preservation of finger vascularity. The reconstructive goals were addressed with a microvascular osteocutaneous fibul...

Introduction: Knee arthrodesis is a surgical procedure that consists of blocking an injured and painful knee to achieve bone fusion to correct a deformity or relieve pain. The aim of our study was to evaluate the impact of the mixed and simple method on bone fusion during the average follow-up. Materiels and Methods: This is a retrospective study t...

Fragility fractures caused by osteoporosis, the most common metabolic bone disease, place a significant burden on affected individuals and impose substantial economic costs. A fragility fracture implies an imminent elevated risk for subsequent fractures, particularly in the short term. Therefore, osteoporosis must be addressed in the event of a sen...

Ewing sarcomas are rare tumors arising mainly in the bones and the surrounding soft tissues. Primary extraosseous Ewing sarcomas have also been described in several other organs and locations other than bones, including the pancreas. These tumors have well-defined histological, immunohistochemical, and molecular characteristics. In this manuscript,...

Objectives This study proposes a novel approach, “Low‐energy photon Lipiodol‐Enhanced Radiotherapy” (LEPERT), for patients with liver cancer. Moreover, we evaluate the dose difference of the conventional treatment planning with 10 MV X‐ray beam (MV‐plan) and LEPERT. Methods The computed tomography (CT) was modeled with the Monte Carlo simulation....

Meskipun banyak penelitian telah mengkaji pembelajaran kitab kuning berbasis digital, namun tergolong sedikit pengkajian pada peningkatan pemahaman kognitif bagi mahasiswa di tingkat perguruan tinggi. Oleh karena itu, penelitian ini menyajikan studi kitab kuning berbasis digital dalam peningkatan pemahaman kognitif mahasiswa Prodi PAI Fakultas Tarb...

A bibliographic review was carried out on the different procedures and most common materials for augmentation or elevation of the maxillary sinus for the posterior or joint placement of endosseous implants. The objective of this work is to present a clinical case and review the existing literature. The topic has been widely discussed by different s...

Background Giant cell tumor of bone (GCTB) is a rare benign tumor that may also exhibit aggressive local behavior. Recurrence of GCTB is common even after complete resection. GCTB typically occurs in long bones, and only 2.7% are found in the spine. Here, a 28-year-old female with a magnetic resonance (MR)-documented L5 lumbar spine GCTB presented...

Imagine your body as a finely tuned machine, where every stride you take is a symphony of muscles, bones, and joints working in perfect harmony. That's the essence of biomechanics in running: understanding the science behind this seemingly simple act to optimize your form, prevent injuries, and ultimately, run better

This editorial examines vascular endothelial growth facto and programmed cell death‐1 inhibition combinations in bone sarcomas, revealing limited efficacy in unselected patients. Future success in treating these challenging tumors requires better predictive biomarkers and more effective immunotherapy combinations.

Introducción: Las técnicas de preservación y promoción de regeneración son una buena opción en el campo de la implantología. El objetivo es la realización de los procedimientos necesarios en el alveolo o los tejidos adyacentes a este sin generar complicaciones post operatorias que puedan llevar al fracaso del objetivo final de la cirugía, el cual s...