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Bone and Soft tissue pathology

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https://www.readbyqxmd.com/read/28647521/heterotopic-ossification-of-the-peroneus-brevis-tendon-in-a-pediatric-patient
#1
Karan Dua, James M Barsi
Heterotopic ossification (HO) is abnormal formation of mature lamellar bone in soft tissues. HO is most commonly diagnosed in the setting of localized trauma, which results in improper differentiation of progenitor cells, leading to aberrant tissue formation. In the pediatric population, nongenetic causes of HO have rarely been reported, especially HO involving the tendons of the ankle. We present a case of HO of the peroneus brevis tendon without systemic disease in a pediatric patient. The patient was a 7-year-old female with a normal birth and developmental history who first presented 6 weeks after a right ankle sprain with pain localized to the lateral calcaneus...
June 21, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28643081/distraction-osteogenesis-reconstruction-of-large-segmental-bone-defects-after-primary-tumor-resection-pitfalls-and-benefits
#2
REVIEW
Jan Lesensky, Daniel E Prince
Successful cure is achieved in almost 70% of patients with primary bone sarcomas with currently available therapies. Some soft tissue sarcomas require wide bone resection in order to achieve appropriate margins for cure of disease, and patients undergoing these procedures need durable reconstruction. Biological reconstruction has been shown to provide patients with superior long-term results over other alternatives. Distraction osteogenesis is well studied in the correction of deformities as well as in addressing some congenital musculoskeletal pathologies...
June 22, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28629828/factors-associated-with-the-decision-of-operative-procedure-for-proximal-femoral-bone-metastasis-questionnaire-survey-to-institutions-participating-the-bone-and-soft-tissue-tumor-study-group-of-the-japan-clinical-oncology-group
#3
Nobuhito Araki, Hirokazu Chuman, Tomoya Matsunobu, Kazuhiro Tanaka, Hirohisa Katagiri, Toshiyuki Kunisada, Toru Hiruma, Hiroaki Hiraga, Hideo Morioka, Hiroshi Hatano, Kunihiro Asanuma, Yoshihiro Nishida, Koji Hiraoka, Takeshi Okamoto, Satoshi Abe, Munenori Watanuki, Takeshi Morii, Hideshi Sugiura, Yukihiro Yoshida, Takatoshi Ohno, Hidetatsu Outani, Koichiro Yokoyama, Shoji Shimose, Haruhiko Fukuda, Yukihide Iwamoto
BACKGROUND: Pathological fracture of the proximal femur is a main cause of cancer patients losing their ability to walk. Although both osteosynthetic devices (predominantly intramedullary nails) and prosthetic replacement have been widely performed for treatment, controversies exist regarding which procedure should be used for the various conditions. In order to decide the eligibility criteria of a planned randomized prospective study about the treatment of pathological fractures of the proximal femur, we assessed the factors affecting the selection of operative procedures using questionnaires sent to the members of the Bone and Soft Tissue Tumor Study Group (BSTTSG) of the Japan Clinical Oncology Group (JCOG)...
June 16, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28625342/dental-investigation-of-mummies-from-the-capuchin-catacombs-of-palermo-circa-18th-19th-century-ce
#4
R Seiler, D Piombino-Mascali, F Rühli
Within the framework of the Sicily Mummy Project, the orofacial complex of a significant sample of individuals (n=111) from the Capuchin Catacombs of Palermo, Italy, was inspected. The heads and dentitions of the mummies were documented and the recorded findings described: the state of preservation of skeletal and soft tissues; dental pathologies such as carious lesions and alveolar bone loss; enamel hypoplasia; and ante- and post-mortem tooth loss. Despite limitations in data collection, the oral health of these mummies was assessed and the frequencies of pathologies were compared to those of similar populations...
May 31, 2017: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/28623408/plexiform-neurofibroma-causing-an-ossifying-subperiosteal-haematoma-a-rare-case-in-the-tibia-of-an-11-year-old-girl
#5
Anton Lavell, Christopher W Jones, Daniel Wong, Peter Counsel, Richard Carey-Smith
Ossifying subperiosteal haematoma is an exceedingly rare manifestation of Neurofibromatosis type 1 (NF-1). We report an interesting case of plexiform neurofibroma causing a rapidly growing tibial mass as a result of subperiosteal haemorrhage, in an 11-year-old girl with previously undiagnosed NF-1. This reflects a precursor of the more mature periosteal ossification seen in cases traditionally termed "subperiosteal cysts". A previously well young girl was referred by her general practitioner with an increasingly large, mildly tender, soft lump on the anterior aspect of her right tibia...
June 16, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28621617/intrathoracic-meningocele-associated-with-neurofibromatosis-type-1-and-a-novel-technique-for-surgical-repair-case-report
#6
Paramita Das, Tarini Goyal, Matthew A Hunt
Neurofibromatosis Type 1 (NF1) is a neurocutaneous disorder that can have associated spinal abnormalities related to both bone and dural dysplasia. Thoracic meningoceles are one spine anomaly associated with NF1, although they are a fairly uncommon pathology. Surgical techniques to treat these meningoceles, usually undertaken only when the patient is symptomatic, are targeted at decreasing the size of the protrusion and improving lung capacity. Surgical interventions discussed in the literature include shunting the pseudomeningocele, primary repair with laminectomy, thoracoscopic plication, and reinforcement of the closure with cement, muscle, or fascia...
June 16, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28601242/kinematic-models-of-lower-limb-joints-for-musculo-skeletal-modelling-and-optimization-in-gait-analysis
#7
REVIEW
Alberto Leardini, Claudio Belvedere, Fabrizio Nardini, Nicola Sancisi, Michele Conconi, Vincenzo Parenti-Castelli
Kinematic models of lower limb joints have several potential applications in musculoskeletal modelling of the locomotion apparatus, including the reproduction of the natural joint motion. These models have recently revealed their value also for in vivo motion analysis experiments, where the soft-tissue artefact is a critical known problem. This arises at the interface between the skin markers and the underlying bone, and can be reduced by defining multibody kinematic models of the lower limb and by running optimization processes aimed at obtaining estimates of position and orientation of relevant bones...
May 22, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28593036/disseminated-and-late-metastatic-disease-from-nasal-pit-leiomyosarcoma-after-radical-surgical-resection-case-report-of-a-singular-presentation-of-a-rare-disease
#8
Enrico Pinotti, Marta Sandini, Simone Famularo, Marta Jaconi, Fabrizio Romano, Luca Nespoli, Luca Gianotti
BACKGROUND: Leiomyosarcoma of the head and neck is a rare cancer with high local aggressiveness. Radical surgery and adjuvant treatment offer the best chance for cure, nonetheless 5-years recurrence rate remains high. Despite international guidelines are available for soft tissue sarcomas, no recommendations are specifically endorsed for leiomyosarcoma of the head and neck, due to the rarity of its presentation and consequently scarcity of data on long-term outcome. CASE PRESENTATION: A 50-year old woman, operated 10 years before for leiomyosarcoma of the nasal pit and with negative 5-years follow-up, was admitted to our ward for impairment of the hepatic function...
2017: Clinical Sarcoma Research
https://www.readbyqxmd.com/read/28592757/hiv-negative-plasmablastic-lymphoma-attaining-sustained-remission-with-bortezomib-combined-dose-adjusted-epoch-therapy
#9
Hiroyuki Kobayashi, Norito Miyagi
A 61-year-old, HIV-negative, immunocompetent woman was admitted to our hospital for significant weight loss, painful swelling of her right cheek, and rapid growth of a tumor in the right hard palate. A CT scan revealed a neoplastic lesion in the right maxillary sinus, extending to the surrounding soft bone tissue and oral cavity, as well as multiple osteolytic lesions in the skull. A pathologic examination revealed that the neoplastic cells in the oral cavity were plasmablasts tending to appear as differentiated plasma cells...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28583640/the-role-of-ultrasound-guided-fine-needle-aspiration-biopsy-in-musculoskeletal-diseases
#10
REVIEW
Marco Sperandeo, Francesca Maria Trovato, Nadia Melillo, Lucia Dimitri, Giuseppe Musumeci, Giuseppe Guglielmi
Ultrasonography (US) is a readily available non-invasive tool useful for the detection of musculoskeletal and soft tissue masses. Although X-Ray is often the first imaging study for evaluating both bone and soft tissue lesions, and magnetic resonance imaging and computed tomography are mandatory in lesions staging, US is increasingly used for the early assessment of musculoskeletal and soft-tissue masses and for guiding procedures and biopsies. Surgical biopsy or fine needle aspiration biopsy (FNAB) is needed to ascertain the nature of any lesion...
May 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28582296/free-vastus-intermedius-muscle-flap-a-successful-alternative-for-complex-reconstruction-of-the-neurocranium-in-preoperated-patients
#11
Dominik Horn, Christian Freudlsperger, Moritz Berger, Kolja Freier, Oliver Ristow, Jürgen Hoffmann, Oliver Sakowitz, Michael Engel
The reconstruction of large cranial and scalp defects is a surgical and esthetic challenge. Single autologous tissue transfer can be insufficient due to the defect size and the anatomic complexity of the recipient site. Alloplastic patient-specific preformed implants can be used to recover hard tissue defects of the neurocranium. Nevertheless, for long-term success adequate soft tissue support is required. In this brief clinical study, the authors describe calvarian reconstruction in a 33-year-old patient with wound healing disorder after an initial resection of ependymoma...
June 2, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28574302/clinical-characteristics-molecular-profile-and-outcomes-of-myeloid-sarcoma-a-single-institution-experience-over-13-years
#12
Varinder Kaur, Arjun Swami, Daisy Alapat, Al Ola Abdallah, Pooja Motwani, Laura F Hutchins, Yogesh Jethava
BACKGROUND: Myeloid sarcoma (MS) is characterized by extramedullary infiltration by immature myeloid cells. Owing to rarity of this disease, the clinical features and overall outcomes are yet to be clarified. OBJECTIVE: To define clinical characteristics, epidemiology, pathologic findings, treatment options and outcomes in MS. METHODS: We conducted a retrospective review of 23 patients diagnosed with MS at our institute over a period of 13 years (2002-2015)...
June 2, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28572462/development-and-reliability-of-a-preliminary-foot-osteoarthritis-magnetic-resonance-imaging-score
#13
Jill Halstead, Carmen Martín-Hervás, Elizabeth M A Hensor, Dennis McGonagle, Anne-Maree Keenan, Anthony C Redmond, Philip G Conaghan
OBJECTIVE: Foot osteoarthritis (OA) is very common but underinvestigated musculoskeletal condition and there is little consensus as to common magnetic resonance imaging (MRI) features. The aim of this study was to develop a preliminary foot OA MRI score (FOAMRIS) and evaluate its reliability. METHODS: This preliminary semiquantitative score included the hindfoot, midfoot, and metatarsophalangeal joints. Joints were scored for joint space narrowing (JSN; 0-3), osteophytes (0-3), joint effusion/synovitis, and bone cysts (present/absent)...
June 1, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28570033/quantitative-mri-and-spectroscopy-of-bone-marrow
#14
REVIEW
Dimitrios C Karampinos, Stefan Ruschke, Michael Dieckmeyer, Maximilian Diefenbach, Daniela Franz, Alexandra S Gersing, Roland Krug, Thomas Baum
Bone marrow is one of the largest organs in the human body, enclosing adipocytes, hematopoietic stem cells, which are responsible for blood cell production, and mesenchymal stem cells, which are responsible for the production of adipocytes and bone cells. Magnetic resonance imaging (MRI) is the ideal imaging modality to monitor bone marrow changes in healthy and pathological states, thanks to its inherent rich soft-tissue contrast. Quantitative bone marrow MRI and magnetic resonance spectroscopy (MRS) techniques have been also developed in order to quantify changes in bone marrow water-fat composition, cellularity and perfusion in different pathologies, and to assist in understanding the role of bone marrow in the pathophysiology of systemic diseases (e...
June 1, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28569184/large-schwannoma-of-the-femur-a-common-tumor-at-an-unusual-site-a-case-report-and-review-of-the-literature
#15
Niranthi Perera, Chandu de Silva, Vasantha Perera
BACKGROUND: Schwannomas are benign nerve sheath tumors and are most frequently encountered as soft tissue tumors of peripheral nerves of the head and neck or the extensor extremities. Osseous involvement is very uncommon with fewer than 200 cases described in the world literature, the majority of which arise in the skull (including mandible), vertebrae, and sacrum. Long bone involvement is highly unusual and of the approximately 20 cases described thus far, only five have been documented to arise in the femur...
May 31, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28557815/use-of-paley-classification-and-superankle-procedure-in-the-management-of-fibular-hemimelia
#16
Ruta M Kulkarni, Nitish Arora, Sagar Saxena, Sujay M Kulkarni, Yadwinder Saini, Rajiv Negandhi
BACKGROUND: Fibular hemimelia is the most common deficiency involving the long bones. Paley classification is based on the ankle joint morphology, identifies the basic pathology, and helps in planning the surgical management. Reconstruction surgery encompasses foot deformity correction and limb length equalization. The SUPERankle procedure is a combination of bone and soft tissue procedures that stabilizes the foot and addresses all deformities. METHODS: We retrospectively reviewed 29 consecutive patients (29 limb segments), surgically treated between December 2000 and December 2014...
May 26, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28553189/the-role-of-bone-scintigraphy-with-single-photon-emission-computed-tomography-computed-tomography-in-the-diagnosis-and-evaluation-of-calciphylaxis
#17
Patrick Martineau, Matthieu Pelletier-Galarneau, Sadri Bazarjani
Calciphylaxis, also known as calcific uremic arteriolopathy, is an uncommon disease, typically found in patients with the end-stage renal disease. Pathophysiological features include small vessel vasculopathy with mural calcification, fibrosis, and thrombosis. The clinical presentation varies but often consists of the necrosis of skin and subcutaneous tissues, with or without visceral organ involvement due to small vessel vasculopathy. This condition has a significant morbidity and mortality, making accurate diagnosis imperative...
April 2017: World Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28515597/tibial-periosteal-ganglion-cyst-the-ganglion-in-disguise
#18
Anjuna Reghunath, Mahesh K Mittal, Geetika Khanna, V Anil
Soft tissue ganglions are commonly encountered cystic lesions around the wrist presumed to arise from myxomatous degeneration of periarticular connective tissue. Lesions with similar pathology in subchondral location close to joints, and often simulating a geode, is the less common entity called intraosseous ganglion. Rarer still is a lesion produced by mucoid degeneration and cyst formation of the periostium of long bones, rightly called the periosteal ganglion. They are mostly found in the lower extremities at the region of pes anserinus, typically limited to the periosteum and outer cortex without any intramedullary component...
January 2017: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28514361/-the-complications-of-transethmoidal-decompressive-orbitotomy-associated-with-endocrine-ophthalmopathy
#19
P A Kochetkov, Ya O Grusha, V M Svistushkin, S S Danilov
The objective of the present study was the analysis of the results of transethmoidal decompressive orbitotomy (TEDO) with the resection of the bone matrix of the medial and inferior orbital walls in the patients presenting with endocrine ophthalmopathy (EOP) with the purpose of reduction of the risk of development of this pathological conditions. A total of 51 patient with EOP at the stage of complete remission or pharmacotherapeutic compensation underwent transethmoidal decompressive medial orbitotomy in the ENT Clinic of 1 I...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28512869/patterns-of-head-and-neck-sarcoma-in-australia
#20
Roger H Woods, J Alexa Potter, Jessica L Reid, Jennie Louise, Taryn Bessen, Gelareh Farshid, Susan J Neuhaus
BACKGROUND: Sarcomas affecting the head and neck often require complex management due to the combination of anatomic, aesthetic and oncological considerations. The incidence and patterns of presentation are poorly understood and have not been reviewed in the Australian population. METHOD: This study sourced incidence and demographic data from the National Cancer Registry at the Australian Institute of Health and Welfare for the years 1982-2009 (corresponding to 97...
May 16, 2017: ANZ Journal of Surgery
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