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https://www.readbyqxmd.com/read/30550509/bone-maturation-of-mri-residual-developmental-dysplasia-of-the-hip-with-discrepancy-between-osseous-and-cartilaginous-acetabular-index
#1
Paul Walbron, Florence Müller, Laurence Mainard-Simard, Amandine Luc, Pierre Journeau
Quality of spontaneous amelioration of residual developmental dysplasia of the hip (DDH) is nowadays not possible to predict. Normal age-related values of the osseous acetabular index (OAI), cartilaginous acetabular index and labral acetabular index have been established on MRI. In this study, MRI of dysplastic hips has been evaluated, and further osseous acetabular maturation was followed-up over time on pelvic radiography to find a correlation between MRI findings and radiological evolution. This is a retrospective single-centre study...
December 13, 2018: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/30550198/-the-clinical-characteristics-of-pediatric-external-auditory-canal-keratosis-obturans
#2
D P Yin, H E Zhu, H M Ma, P P Chen, X W Dou
Objective: To analyze the clinical characteristics of pediatric external auditory canalkeratosis obturans(KO). Method: Retrospective analyze the clinical data of twenty-three patients were diagnosed with external auditory canal cholesteatoma(EACC). Their chief complaint, the course of the disease, clinical characteristics,CT manifestations,surgical procedure and prognosis were retrospectively analyzed. The clinical characteristics between EACC and KO were compared. Result: Twenty cases(22 ears) were eventually diagnosed as KO...
October 5, 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/30544351/the-foramen-lacerum-surgical-anatomy-and-relevance-for-endoscopic-endonasal-approaches
#3
(no author information available yet)
OBJECTIVEThe foramen lacerum is a relevant skull base structure that has been neglected for many years. From the endoscopic endonasal perspective, the foramen lacerum is a key structure due to its location at the crossroad between the sagittal and coronal planes. The objective of this study was to provide a detailed investigation of the surgical anatomy of the foramen lacerum and its adjacent structures based on anatomical dissections and imaging studies, propose several relevant key surgical landmarks, and demonstrate the surgical technique for its full exposure with several illustrative cases...
November 1, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30543757/bone-marrow-aspirate-concentrate-does-not-improve-osseous-integration-of-osteochondral-allografts-for-the-treatment-of-chondral-defects-in-the-knee-at-6-and-12-months-a-comparative-magnetic-resonance-imaging-analysis
#4
Dean Wang, Kenneth M Lin, Alissa J Burge, George C Balazs, Riley J Williams
BACKGROUND: Poor osseous integration after fresh osteochondral allograft transplantation (OCA) may be associated with graft subsidence and subchondral bone collapse after implantation. The augmentation of OCA with bone marrow aspirate concentrate (BMAC) has been hypothesized to improve osseous incorporation of the implanted allograft. PURPOSE: To evaluate the effect of autogenous BMAC treatment on osseous integration at the graft-host bony interface after OCA. STUDY DESIGN: Cohort study; Level of evidence, 3...
December 13, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/30543122/salvage-or-solution-alloplastic-reconstruction-in-hemifacial-microsomia
#5
John W Polley, John A Girotto, Matthew P Fahrenkopf, Megan L Dietze-Fiedler, Joshua P Kelley, Joseph C Taylor, Spiros A Lazarou, Neophytos C Demetriades
INTRODUCTION: Skeletal reconstruction in severe grades of hemifacial microsomia (HFM) continues to be challenging. Traditional techniques of autografts and osseous distraction for reconstruction of the glenoid fossa, condyle, and ramus can fall short of expectations and can create new problems. This intercontinental study analyzes the role of alloplastic skeletal rehabilitation in severe HFM. METHODS: Ten consecutive patients with Pruzansky grade III HFM were reconstructed between October 2014 and July 2017 at 2 craniofacial centers following the same protocol...
December 13, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/30542928/the-radial-head-size-in-relation-to-osseous-landmarks-of-the-forearm
#6
Valentin Rausch, Sebastian Wegmann, Michael Hackl, Tim Leschinger, Wolfram F Neiss, Martin Scaal, Lars P Müller, Kilian Wegmann
PURPOSE: Radial head fractures are regularly treated with radial head arthroplasty. To prevent limited motion or pain, the implant's size should match its normal anatomy. Preoperative estimation of the radial head size helps in finding the correct head component. The aim of this study was to measure bony landmarks in proximity to the radial head to estimate the required size of a prosthesis preoperatively. METHODS: Anatomical landmarks on 82 elbows from 41 embalmed specimens (19 male, 22 female) were measured using a digital caliper after removal of the specimens' tissue: the largest and smallest radial head diameter, length of the radius (styloid tip to radial head articular surface), and the length of the ulna (styloid tip to coronoid base)...
December 12, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/30542521/osteofibrous-dysplasia-arising-in-the-humerus-a-case-report
#7
Shinichirou Yoshida, Munenori Watanuki, Kouu Hayashi, Masami Hosaka, Yoshihiro Hagiwara, Eiji Itoi, Masahito Hatori, Shin Hitachi, Mika Watanabe
Osteofibrous dysplasia is a benign fibro-osseous lesion of bone which is most commonly occurred in cortical bone of anterior mid-shaft of the tibia of infancy and childhood. This study reported a case of osteofibrous dysplasia arising in the humerus of adult, resulting in good prognosis after a surgical treatment. A 34-year-old male had felt left upper arm pain and was suspected as having a bone tumor at the humeral shaft by X-ray pictures. The tumor was suspected as the osteofibrous dysplasia of the humerus by a core needle biopsy...
2018: Rare Tumors
https://www.readbyqxmd.com/read/30542500/a-novel-surgical-method-for-treating-medial-end-clavicle-fractures
#8
Wen-Peng Xie, Yong-Kui Zhang, Yan-Hua Chen, Shi-Lu Wang, Hong-Hao Xu, Rong-Xiu Bi
The present study examined the effectiveness of the method of inversing the distal clavicle anatomic locking plate to treat medial-end clavicle fractures. This involved retrospectively analyzing six cases of medial-end clavicle fractures treated using the method of inversing the distal clavicle anatomic locking plate between September 2013 and December 2015. These cases included five men and one woman with an average age of 46.3±10.6 years old and a range of 24-66 years old. Among these cases, one was type A, two were type C, and three were type D, based on the Throckmorton type classification...
December 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/30541334/radiofrequency-ablation-and-radiation-therapy-improve-local-control-in-spinal-metastases-compared-to-radiofrequency-ablation-alone
#9
Kavitha M Prezzano, Dheerendra Prasad, Gregory M Hermann, Ahmed N Belal, Ronald A Alberico
PURPOSE: The spinal column is the most common location for osseous metastases and is associated with pain and decreased quality of life. This study evaluated combined radiofrequency ablation (RFA) with radiation therapy (RT) compared to RFA alone for improving pain and local control. METHODS: This was a single-institution retrospective review of patients who underwent RFA of spinal metastases between 2016 and 2017, with or without RT to the same vertebral level...
December 13, 2018: American Journal of Hospice & Palliative Care
https://www.readbyqxmd.com/read/30538581/first-two-cases-of-craniomaxillofacial-fibrous-dysplasia-from-nepal-case-series
#10
Neha Mishra, Sourav Kumar Rout
Fibrous dysplasia is a benign fibro-osseous disease of the bone, which is most commonly associated with congenital mutations in cAMP regulating protein Gsα coded by GNAS-1 gene. Often it is seen involving the craniofacial skeleton and can range from an asymptomatic monostotic form to polyostotic variant involving almost all the bones of the skull, thereby leading to functional and esthetic problems. This requires a continuous monitoring of the involved region throughout the life of the patient, even after the surgical interventions...
2018: Clinical, Cosmetic and Investigational Dentistry
https://www.readbyqxmd.com/read/30537046/recommendations-for-iliosacral-screw-placement-in-dysmorphic-sacrum-based-on-modified-in-out-in-corridors
#11
Florian Gras, Henry Wendt, Heiko Gottschling, Manuel Schröder, Ivan Marintschev, Gunther O Hofmann, Rainer Burgkart
(1) Can iliosacral osseous corridor diameters in sacral dysmorphism be enlarged by in-out-in screw placement at the posterior iliosacral recessus? (2) Are lumbosacral transitional vertebra (LSTV) the anatomical cause for sacral dysmorphism? (3) Are there sex-specific differences in sacral dysmorphism? 594 multislice CT scans were screened for sacral dysmorphism and 55 data-sets selected. Each pelvis was segmented manually and cylindrical iliosacral corridors (S1 and S2 vertebra) were semi-automatically determined...
December 11, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/30533362/intraosseous-bioplasty-for-a-chondral-cyst-in-the-lateral-tibial-plateau
#12
Nicholas Elena, Brittany M Woodall, Katie Lee, Patrick J McGahan, Neil P Pathare, Edward C Shin, James L Chen
Subchondral lesions are the result of osseous modifications seen in a different array of pathologies such as osteoarthritis, rheumatoid arthritis, calcium pyrophosphate deposition, and osteonecrosis. The physiopathologic changes in all of the aforementioned pathologies are not clear yet. What is clear is that the development of a cystic change in the subchondral bone can cause pain and can lead to modification of the activity of daily life. To provide relief and treatment for such a condition, there are different options with joint replacement as last resort when the cyst develops in communication with the joint; if the cyst is not in communication with the joint, it is possible to perform a bioplasty as we present in this technical report...
November 2018: Arthroscopy Techniques
https://www.readbyqxmd.com/read/30531637/otopathology-of-unilateral-cochlear-implantation-in-patients-with-bilateral-temporal-bone-fracture
#13
Danielle R Trakimas, Renata M Knoll, Reuven Ishai, Daniel J Lee, David H Jung, Joseph B Nadol, Aaron K Remenschneider, Elliott D Kozin
OBJECTIVE: Audiometric outcomes following cochlear implantation (CI) in patients with temporal bone fracture (TBF) are variable and the pathophysiology is not well understood. Herein, we describe otopathologic findings in two such cases to provide insight into pathophysiology and outcomes. PATIENTS: Two patients had a history of head trauma resulting in bilateral TBF and sudden, profound, sensorineural hearing loss. INTERVENTION: Both cases underwent unilateral CI following head trauma...
January 2019: Otology & Neurotology
https://www.readbyqxmd.com/read/30531425/can-dynamic-ultrasonography-of-the-hip-reliably-assess-anterior-femoral-head-translation
#14
Pierre A d'Hemecourt, Dai Sugimoto, Maxwell McKee-Proctor, Rebecca L Zwicker, Sarah S Jackson, Eduardo N Novais, Young-Jo Kim, Michael B Millis, Andrea Stracciolini
BACKGROUND: Hip microinstability has gained attention recently as a potential cause of hip pain. Currently there is a lack of evidence-based objective diagnostic criteria surrounding this diagnosis. Previous studies have shown translation of the femoral head during extreme hip positions. However, reliable assessment of femoral head translation is lacking. QUESTIONS/PURPOSES: (1) How precise is musculoskeletal ultrasound for measuring anterior femoral head translation during the hip anterior apprehension test? (2) What is the intra- and interrater reliability of dynamic ultrasonography in assessing anterior femoral head translation? METHODS: We recruited 10 study participants (20 hips) between the ages of 22 and 50 years with no history of hip pain or functional limitations...
November 7, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/30531357/socioeconomic-predictors-of-surgical-resection-and-survival-for-patients-with-osseous-spinal-neoplasms
#15
Sayantan Deb, Ryan Brewster, Arjun Vivek Pendharkar, Anand Veeravagu, John Ratliff, Atman Desai
OF BACKGROUND DATA: Primary osseous spinal neoplasms (POSNs) include locally aggressive tumors such as osteosarcoma, chondrosarcoma, Ewing sarcoma, and chordoma. For such tumors, surgical resection is associated with improved survival for patients. Socioeconomic predictors of receiving surgery, however, have not been studied. OBJECTIVE: To examine the independent effect of race on receiving surgery and survival probability in patients with POSN. STUDY DESIGN: A total of 1904 patients from the SEER program at the National Cancer Institute database, all diagnosed with POSN of the spinal cord, vertebral column, pelvis, or sacrum from 2003 through 2012 were included in the study...
December 7, 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/30531162/correlation-of-temporomandibular-joint-clinical-signs-with-cone-beam-computed-tomography-radiologic-features-in-juvenile-idiopathic-arthritis-patients
#16
Ilga Urtane, Iveta Jankovska, Hadeel Al-Shwaikh, Zane Krisjane
OBJECTIVE: Patients with juvenile idiopathic arthritis (JIA) have a high risk of temporomandibular joint (TMJ) involvement. Early detection of osseous destruction of the TMJ that can be seen radiographically is vital to provide appropriate treatment before significant craniofacial deformities and problems with occlusion arise. The aim of study was to evaluate whether there is a correlation between the clinical signs and cone beam computed tomography (CBCT) radiologic features of TMJ in patients with JIA...
2018: Stomatologija
https://www.readbyqxmd.com/read/30528523/cutaneous-metastasis-via-surgical-planes-following-lumbar-spinal-reconstruction-for-spinal-metastatic-disease
#17
David G Deckey, Daniel B C Reid, Scott Mallozzi, Alan H Daniels
BACKGROUND: Cervical squamous cell carcinoma is the second most common cancer in women worldwide, and the third most common cause of female cancer mortality. It frequently metastasizes to the osseous spine and has been rarely reported to cause cutaneous metastases at gynecological surgical scars. CASE DESCRIPTION: A 63-year-old woman with known metastatic cervical squamous cell carcinoma presented with a pathologic fracture of the L2 vertebra, unrelenting back pain, bilateral lower extremity weakness, and inability to ambulate...
December 5, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/30527457/characterization-of-metastatic-sternal-lesions-on-dynamic-contrast-enhanced-breast-mri-in-women-with-invasive-breast-cancer
#18
Amie Y Lee, Ryan Navarro, Lindsay P Busby, Heather I Greenwood, Matthew D Bucknor, Kimberly M Ray, Bonnie N Joe
RATIONALE AND OBJECTIVES: Detecting sternal lesions is not the purpose of breast MRI, but diagnosing metastasis has major clinical implications. Our purpose was to determine the breast MRI features of sternal metastases detected on PET-CT and bone-scan. MATERIALS AND METHODS: Between 01/2010-09/2018, 379 patients with breast cancer had sternal findings on PET-CT or bone-scan, 21 of which underwent breast MRI within 100 days. Sternal lesions were considered metastatic if (1) biopsy demonstrated metastasis, (2) the lesion had similar appearance to synchronous sites of biopsy-proven osseous metastases, or (3) there were numerous suspicious lesions in which widespread osseous metastasis was presumed...
December 5, 2018: Academic Radiology
https://www.readbyqxmd.com/read/30526920/the-effectiveness-of-biodegradable-instrumentation-in-the-treatment-of-spinal-fractures
#19
Christos Koutserimpas, Kalliopi Alpantaki, Maria Chatzinikolaidou, Gregory Chlouverakis, Michael Dohm, Alexander G Hadjipavlou
INTRODUCTION: A variety of biodegradable implants (screws, rods, plates and cages) are available which are composed of many different biodegradable polymers with varying characteristics. The present review of animal and clinical studies examines the efficacy and safety of biodegradable implants in spinal fracture intervention. METHODS: A review of the literature through March 2018 was performed using PubMed and Cochrane databases. Success rates were calculated according to sufficient tissue biocompatibility, solid clinical fusion and propensity for osseointegration...
December 2018: Injury
https://www.readbyqxmd.com/read/30525046/radiographic-identification-of-osseous-cyst-like-lesions-in-the-distal-phalanx-in-22-lame-thoroughbred-horses-managed-conservatively-and-their-racing-performance
#20
Vanessa G Peter, Thomas A O'Keeffe, Lewis C R Smith, Daniela Schweizer-Gorgas
Reasons for performing study: To investigate the racing performance of Thoroughbred horses with osseous cyst-like lesions (OCLLs) in the distal phalanx causing lameness and treated conservatively. Objectives: To assess horses' ability to race and perform after radiographic identification of OCLL in the distal phalanx of Thoroughbred horses with lameness at the time of detection and undergoing conservative treatment. Study Design: Retrospective case control study. Methods: The clinical database of one equine clinic was reviewed in a 10-year period for Thoroughbreds showing lameness localized to the foot and a radiographic diagnosis of OCLL in the distal phalanx...
2018: Frontiers in Veterinary Science
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