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https://www.readbyqxmd.com/read/28638668/severe-short-stature-in-an-adolescent-male-with-prader-willi-syndrome-and-congenital-adrenal-hyperplasia-a-therapeutic-conundrum
#1
Meredith Wasserman, Erin M Mulvihill, Angela Ganan-Soto, Serife Uysal, Jose Bernardo Quintos
Congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency results in excess androgen production which can lead to early epiphyseal fusion and short stature. Prader-Willi syndrome (PWS) is a genetic disorder resulting from a defect on chromosome 15 due to paternal deletion, maternal uniparental disomy, or imprinting defect. Ninety percent of patients with PWS have short stature. In this article we report a patient with simple-virilizing CAH and PWS who was overtreated with glucocorticoids for CAH and not supplemented with growth hormone for PWS, resulting in a significantly short adult height...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/28632661/efficacy-and-limitations-of-conservative-treatment-for-painful-patella-partita-positioning-of-an-ultrasound-accelerated-fracture-healing-apparatus
#2
Natsuki Sugimura, Daisuke Hirose, Koji Aso, Masashi Izumi, Yusuke Okanoue, Kazuo Kitaoka, Masahiko Ikeuchi
OBJECTIVE: Generally, painful patella partita is conservatively treated, but the usefulness of a low-intensity pulsed ultrasound (LIPUS) healing apparatus is unclear. The objective of this study was to investigate the usefulness of LIPUS for conservative treatment of painful patella partita. SUBJECTS AND METHODS: The subjects included 17 patients diagnosed with painful patella partita. The subjects were divided into 2 groups: those without pain at 6 months (responsive group) and those with pain that persisted for 6 months or longer (non-responsive group)...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28630847/hyperplasia-of-lamina-and-spinous-process-of-c5-vertebrae-and-associated-hemivertebra-at-c4-level
#3
Raja Rameez Farooqi, Mufti Mehmood, Hilal A Kotwal
INTRODUCTION: Congenital variants of the cervical spine may mimic traumatic lesions and may cause recurrent episodes of pain. The spectrum of cervical variants includes persistent apophyses of the transverse processes, persistent epiphyses, vertebral platyspondylia, vertebral hypoplasia, and dysplasia of the vertebral arch. Furthermore, abnormalities of the spinous process have been described including doubled spinous processes and hypertrophies. Unilateral hyperplasia of a spinous process is a rare finding that has only been described rarely as case reports...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28623364/distribution-and-kinetics-of-the-kv1-3-blocking-peptide-hstx1-r14a-in-experimental-rats
#4
Ralf Bergmann, Manja Kubeil, Kristof Zarschler, Sandeep Chhabra, Rajeev B Tajhya, Christine Beeton, Michael W Pennington, Michael Bachmann, Raymond S Norton, Holger Stephan
The peptide HsTX1[R14A] is a potent and selective blocker of the voltage-gated potassium channel Kv1.3, which is a highly promising target for the treatment of autoimmune diseases and other conditions. In order to assess the biodistribution of this peptide, it was conjugated with NOTA and radiolabelled with copper-64. [(64)Cu]Cu-NOTA-HsTX1[R14A] was synthesised in high radiochemical purity and yield. The radiotracer was evaluated in vitro and in vivo. The biodistribution and PET studies after intravenous and subcutaneous injections showed similar patterns and kinetics...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28620929/cartilage-canals-in-the-distal-intermediate-ridge-of-the-tibia-of-fetuses-and-foals-are-surrounded-by-different-types-of-collagen
#5
Ingunn Risnes Hellings, Nils Ivar Dolvik, Stina Ekman, Kristin Olstad
Some epiphyseal growth cartilage canals are surrounded by a ring of hypereosinophilic matrix consisting of collagen type I. Absence of the collagen type I ring may predispose canal vessels to failure and osteochondrosis, which can lead to fragments in joints (osteochondrosis dissecans). It is not known whether the ring develops in response to programming or biomechanical force. The distribution that may reveal the function of the ring has only been described in the distal femur of a limited number of foals...
June 15, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28612581/surgical-options-for-anterior-cruciate-ligament-reconstruction-in-the-young-child
#6
Meghan J Price, Lionel Lazaro, Frank A Cordasco, Daniel W Green
Injury to the anterior cruciate ligament (ACL) is becoming increasingly common in the skeletally immature population. Historically, there was a reluctance to operate on skeletally immature patients due to potential damage to the physis and subsequent growth disturbances; however, more recently, ACL reconstruction techniques specifically developed for this young population have shown good outcomes and low complication rates. In this article, we briefly discuss the modifiable and non-modifiable risk factors for ACL injury in children, options for conservative management for ACL rupture, and outcomes for delayed operative management...
August 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28608146/comparison-of-imaging-planes-during-ct-based-evaluation-of-clavicular-ossification-a-multi-center-study
#7
Philipp Scharte, Volker Vieth, Ronald Schulz, Frank Ramsthaler, Klaus Püschel, Thomas Bajanowski, Heidi Pfeiffer, Andreas Schmeling, Sven Schmidt, Daniel Wittschieber
Determining the ossification stage of the medial clavicular epiphysis by computed tomography represents the currently recommended methodology for the question of whether a living individual has completed the 18th or 21st year of life. In the present study, thin-slice CT scans of 1078 sternoclavicular joints were reconstructed in axial and coronal image series and evaluated according to the two classification systems established for age diagnostics using the clavicle. Both image series (axial and coronal) were analyzed separately...
June 12, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28607872/vascularized-fibula-based-physis-transfer-a-follow-up-study-of-longitudinal-bone-growth-and-complications
#8
Ronnie L Shammas, Yash J Avashia, Alfredo E Farjat, Anthony A Catanzano, L Scott Levin, William C Eward, Brian E Brigman, Detlev Erdmann
BACKGROUND: The vascularized free fibula epiphyseal transfer provides an option for the preservation of limb lengthening after resection of the proximal humerus in pediatric sarcoma patients. The purpose of this study was to provide a long-term follow-up of longitudinal growth patterns and outcomes after free fibula epiphyseal transfer in upper extremity reconstruction. METHODS: A retrospective review of 4 patients who underwent free fibula epiphyseal transfer after oncologic resection of the proximal humerus for osteosarcoma was performed...
May 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28607786/proximal-tibial-epiphysis-fracture-in-a-13-year-old-male-athlete
#9
Ioannis M Stavrakakis, Pavlos E Katsoulis, Maria S Katsafarou
Fractures of the proximal epiphysis of the tibia are rare, representing 0.5 to 3.0% of all epiphyseal injuries. These injuries can damage the popliteal vessels and their bifurcation, affecting the blood supply of the lower limb, as well as the nerves below the knee. Epiphyseal growth arrest is also a potential complication, leading to various angular deformities. We present a case of a 13-year-old male athlete with a posteriorly displaced Salter-Harris type II fracture of the proximal epiphysis of the left tibia who was treated conservatively with closed reduction and cast immobilization...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28603948/limb-derived-cells-as-a-paradigm-for-engineering-self-assembling-skeletal-tissues
#10
Warnakulasuriya A Fernando, Ioannis Papantoniou, Luis F Mendes, Gabriella Nilsson Hall, Kathleen Bosmans, Wai L Tam, Liliana M Teixeira, Malcolm Moos, Liesbet Geris, Frank P Luyten
Mimicking developmental events has been proposed as a strategy to engineer tissue constructs for regenerative medicine. However, this approach has not yet been investigated for skeletal tissues. Here we demonstrate that ectopic implantation of mouse embryonic day 14.5 long bone anlagen, dissociated into single cells and randomly incorporated in a bioengineered construct, give rise to epiphyseal growth plate like structures, bone, and marrow, which share many morphological and molecular similarities to epiphyseal units that form after transplanting intact long bone anlage, demonstrating substantial robustness and autonomy of complex tissue self-assembly and the overall organogenesis process...
June 11, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28584714/the-development-of-curvature-in-the-porcine-radioulna
#11
Jess Pantinople, Kyle McCabe, Keith Henderson, Hazel L Richards, Nick Milne
Long bone curvature in animal limbs has long been a subject of interest and much work has explored why long bones should be curved. However, the 'when' and 'how' of curvature development is poorly understood. It has been shown that the rat tibia fails to attain its normal curvature if the action of muscles is removed early in life, but it is not clear if this is because the curvature fails to develop or if the bone becomes straighter without the action of muscles. No studies have examined the development of bone curvature in a normally developing quadruped, so this study tracks the course of curvature formation in the radioulna in a series of growing pigs...
2017: PeerJ
https://www.readbyqxmd.com/read/28573513/knee-joint-preservation-surgery-in-osteosarcoma-using-tumour-bearing-bone-treated-with-liquid-nitrogen
#12
Takashi Higuchi, Norio Yamamoto, Hideji Nishida, Katsuhiro Hayashi, Akihiko Takeuchi, Hiroaki Kimura, Shinji Miwa, Hiroyuki Inatani, Shingo Shimozaki, Takashi Kato, Yu Aoki, Kensaku Abe, Yuta Taniguchi, Hiroyuki Tsuchiya
PURPOSE: To preserve the joint structure in order to maintain good limb function in patients with osteosarcoma, we perform epiphyseal or metaphyseal osteotomy and reconstruction using frozen autografts that contain a tumour treated with liquid nitrogen. There are two methods of using liquid nitrogen-treated autografts: the free-freezing method and the pedicle-freezing method. The purpose of this study was to evaluate the results of intentional joint-preserving reconstruction using the free-freezing method and the pedicle-freezing method in patients with osteosarcoma...
June 1, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28567291/pachydermoperiostosis-a-rare-mimicker-of-acromegaly
#13
Noor Rafhati Adyani Abdullah, Wong Lok Chin Jason, Azraai Bahari Nasruddin
Pachydermoperiostosis is a very rare osteoarthrodermopathic disorder whose clinical and radiographic presentations may mimic those of acromegaly. In the evaluation of patients with acromegaloid appearances, pachydermoperiostosis should be considered as a differential diagnosis. In this article, we report a 17-year-old boy who presented with 2-year history of acral enlargement and facial appearance changes associated with joint pain and excessive sweating. He had been investigated extensively for acromegaly, and the final diagnosis was pachydermoperiostosis...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28561229/growth-failure-caused-by-premature-epiphyseal-closure-in-a-child-treated-with-isotretinoin-for-neuroblastoma
#14
Sophia Hoemberg, Harald Reinhard
No abstract text is available yet for this article.
May 2017: Klinische Pädiatrie
https://www.readbyqxmd.com/read/28552677/a-long-term-follow-up-study-of-the-development-of-hip-disease-in-mucopolysaccharidosis-type-vi
#15
Esmee Oussoren, Johannes H J M Bessems, Virginie Pollet, Jan C van der Meijden, Lianne J van der Giessen, Iris Plug, Annick S Devos, George J G Ruijter, Ans T van der Ploeg, Mirjam Langeveld
Hip problems in Mucopolysaccharidosis type VI (MPS VI) lead to severe disability. Lack of data on the course of hip disease in MPS VI make decisions regarding necessity, timing and type of surgical intervention difficult. We therefore studied the development of hip pathology in MPS VI patients over time. Data were collected as part of a prospective follow-up study. Standardized supine AP pelvis and frog leg lateral radiographs of both hips were performed yearly or every 2years. Image assessment was performed quantitatively (angle measurements) and qualitatively (hip morphology)...
May 19, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28540632/corr-insights-%C3%A2-epiphyseal-arterial-network-and-inferior-retinacular-artery-seem-critical-to-femoral-head-perfusion-in-adults-with-femoral-neck-fractures
#16
Kodali Siva R K Prasad
No abstract text is available yet for this article.
May 24, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28538290/tumors-of-the-epiphyses
#17
Nathan L Grimm, David M Tainter, William C Eward, Brian E Brigman
No abstract text is available yet for this article.
May 2017: JBJS Reviews
https://www.readbyqxmd.com/read/28530778/a-comparison-of-the-treatment-results-of-dpen-reduction-internal-fixation-and-intramedullary-nailing-in-adult-forearm-diaphyseal-fractures
#18
Ahmet Köse, Ali Aydın, Naci Ezirmik, Ömer Selim Yıldırım
BACKGROUND: We compared the union and functional results of intramedullary nailing and open reduction internal fixation treatment applied to adults with a forearm diaphysis fracture (fracture of the radius and/or ulna). METHODS: We retrospectively examined 90 patients with completed skeletal maturation who were surgically treated for a forearm diaphyseal fracture. Patients with a Monteggia Galeazzi and ipsilateral upper extremity fracture and those with an open epiphyseal line, Type 3 open fracture, pathological fracture, or brain trauma were excluded from the study...
May 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28529663/the-modified-dunn-procedure-for-slipped-capital-femoral-epiphysis-the-bernese-experience
#19
M Tannast, L M Jost, T D Lerch, F Schmaranzer, K Ziebarth, K A Siebenrock
PURPOSE: Based on previous investigations on the vascular blood supply to the femoral head, a technique for anatomical reduction after slipped capital femoral epiphysis was developed. This technique is a modification of the original technique by Dunn using a retinacular soft-tissue flap. This allows the visual control of the epiphyseal vascular blood supply. We report the experience at the inventor's institution with a critical discussion of the available literature. METHODS: Using a trochanteric osteotomy for surgical dislocation of the hip, a retinacular soft tissue flap is created containing the deep branch of the medial femoral circumflex artery, the external rotators and the capsule...
April 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28506178/galeazzi-equivalent-fractures-report-of-two-cases-and-literature-review
#20
Seigo Suganuma, Kaoru Tada, Daiki Yamamoto, Hiroyuki Tsuchiya
The Galeazzi-equivalent fracture is a rare injury that occurs in children. The most important issue is the distal ulnar epiphyseal injury. Although there have been some case reports, most of them performed only short term follow-up. This article describes two cases of this fracture with long term follow-up until epiphyseal closure. First case is a 12-year-old girl who sustained a Galeazziequivalent fracture of her right forearm and underwent emergency surgery. At follow-up of 5 years and 10 months postsurgery, radiographs show ulnar growth arrest of one mm and she has mild pain...
June 2017: Journal of Hand Surgery Asian-Pacific Volume
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