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1.
São Paulo med. j ; 120(6): 195-197, 2002. ilus
Article in English | LILACS | ID: lil-326362

ABSTRACT

CONTEXT: A ganglion is a cystic formation close to joints or tendinous sheaths, frequently found in the wrist, foot or knee. Intra-articular ganglia of the knee are rare, and most of them are located in the anterior cruciate ligament. The clinical picture for these ganglia comprises pain and movement restrictions in the knee, causing significant impairment to the patient. Symptoms are non-specific, and anterior cruciate ligament ganglia are usually diagnosed through magnetic resonance imaging or arthroscopy. Not all ganglia diagnosed through magnetic resonance imaging need to undergo surgical treatment: only those that cause clinical signs and symptoms do. Surgical results are considered good or excellent in the vast majority of cases. CASE REPORT: A 29-year-old male presented with pain in the left knee during a marathon race. Physical examination revealed limitation in the maximum range of knee extension and pain in the posterior aspect of the left knee. Radiographs of the left knee were normal, but magnetic resonance imaging revealed a multi-lobed cystic structure adjacent to the anterior cruciate ligament, which resembled a ganglion cyst. The mass was removed through arthroscopy, and pathological examination revealed a synovial cyst. Patient recovery was excellent, and he resumed his usual training routine five months later


Subject(s)
Humans , Male , Adult , Synovial Cyst , Anterior Cruciate Ligament , Synovial Cyst , Joint Diseases , Knee Joint
2.
Acta ortop. bras ; 4(3): 127-32, jul.-set. 1996. ilus, tab
Article in Portuguese | LILACS | ID: lil-206699

ABSTRACT

Foram retirados dez segmentos de coluna lombar humana de cadáveres adultos, com idade entre 23 e 81 anos, e transformados em 30 corpos de prova compostos do disco intervertebral e das placas basais das vértebras adjacentes. Foi feito estudo biomecânico dos corpos de prova sob compressäo axial com cargas lentas e progressivas e comparada a rigidez com o nível anatômico do disco e com seu grau de degeneraçäo (método de Galante). A comparaçäo dos resultados mostrou inexistência de diferenças da rigidez do disco intervertebral entre os níveis anatômicos e diminuiçäo da rigidez com a progressiva degeneraçäo discal.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Intervertebral Disc/anatomy & histology , Aged, 80 and over , Biomechanical Phenomena , Cadaver , Statistics, Nonparametric
3.
Rev. bras. ortop ; 24(5): 139-44, 1989. ilus, tab
Article in Portuguese | LILACS | ID: lil-80075

ABSTRACT

Estudamos comparativamente as propriedades mecânicas de quatro grupos de pericárdios bovinos: fresco, congelado e dois tipos fixados em glutaraldeído e conservados em formaldeído obtidos comercialmente. Verficamos a possibilidade de eventual utilizaçäo como substituto biológico de ligamentos e tendöes. Há evidências de que os tratamentos químicos a que säo submetidos os pericárdios comerciais melhoram suas qualidades mecânicas


Subject(s)
Cattle , Animals , Biomechanical Phenomena , Bioprosthesis , Pericardium/physiology , Elasticity , Formaldehyde , Freezing , Glutaral
4.
Rev. bras. ortop ; 22(10): 297-300, nov.-dez. 1987. ilus, tab
Article in Portuguese | LILACS | ID: lil-45054

ABSTRACT

Foram comparados corpos de prova de gesso e de material sintético através de ensaios mecânicos para otimizar o dimensionamento de aparelhos de imobilizaçäo confeccionados com o último. Os ensaios consistiram de compressäo lateral de corpos cilíndricos e flexäo de placas compostos com cada um dos materiais


Subject(s)
Calcium Sulfate , Models, Anatomic
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