Ressonância magnética da osteonecrose do joelho: estudo de 19 casos
OBJETIVO: Descrever os achados epidemiológicos, clínicos e de ressonância magnética da osteonecrose das porções distal do fêmur e proximal da tíbia. MATERIAIS E MÉTODOS: Avaliação de 19 pacientes (12 mulheres e 7 homens), sem história prévia de fatores causais, com achados à ressonância magnética su...
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Veröffentlicht in: | Radiologia brasileira 2010-04, Vol.43 (2), p.77-80 |
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description | OBJETIVO: Descrever os achados epidemiológicos, clínicos e de ressonância magnética da osteonecrose das porções distal do fêmur e proximal da tíbia. MATERIAIS E MÉTODOS: Avaliação de 19 pacientes (12 mulheres e 7 homens), sem história prévia de fatores causais, com achados à ressonância magnética sugestivos de osteonecrose do platô tibial ou côndilo femoral. RESULTADOS: Verificou-se a presença de anormalidades osteocondrais em 63,1% dos casos e em 73,6% destes houve associação com lesão meniscal ipsilateral. Houve também importante associação com edema na medular óssea em correspondência (grau III em 16 casos). CONCLUSÃO: A ressonância magnética demonstrou ser um método não invasivo com boa sensibilidade no diagnóstico da osteonecrose do joelho, bem como das lesões associadas, sendo mais frequente nas mulheres (63% dos casos).
OBJECTIVE: To describe epidemiological, clinical and magnetic resonance imaging findings of osteonecrosis in the distal femur and proximal tibia. MATERIALS AND METHODS: Evaluation of 19 patients (12 women and 7 men), with no previous history of causative factors, with magnetic resonance imaging findings suggestive of osteonecrosis in the tibial plateau or femoral condyle. RESULTS: Osteochondral abnormalities were observed in 63.1% of the cases; in 73.6% of them, such abnormality was associated with ipsilateral meniscal lesion. Also, a significant association with bone marrow edema (grade III in 16 cases) was observed. CONCLUSION: Magnetic resonance imaging has demonstrated to be a noninvasive method with good sensitivity in the diagnosis of knee osteonecrosis as well as of associated lesions which are most frequently found in women (63% of cases). |
doi_str_mv | 10.1590/S0100-39842010000200005 |
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OBJECTIVE: To describe epidemiological, clinical and magnetic resonance imaging findings of osteonecrosis in the distal femur and proximal tibia. MATERIALS AND METHODS: Evaluation of 19 patients (12 women and 7 men), with no previous history of causative factors, with magnetic resonance imaging findings suggestive of osteonecrosis in the tibial plateau or femoral condyle. RESULTS: Osteochondral abnormalities were observed in 63.1% of the cases; in 73.6% of them, such abnormality was associated with ipsilateral meniscal lesion. Also, a significant association with bone marrow edema (grade III in 16 cases) was observed. CONCLUSION: Magnetic resonance imaging has demonstrated to be a noninvasive method with good sensitivity in the diagnosis of knee osteonecrosis as well as of associated lesions which are most frequently found in women (63% of cases).</description><identifier>ISSN: 0100-3984</identifier><identifier>EISSN: 0100-3984</identifier><identifier>DOI: 10.1590/S0100-39842010000200005</identifier><language>eng</language><ispartof>Radiologia brasileira, 2010-04, Vol.43 (2), p.77-80</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1025-d4d500c696df7a32722b9866dcfb14b52583434a1a5cc491cd6d857e1b9c36013</citedby><cites>FETCH-LOGICAL-c1025-d4d500c696df7a32722b9866dcfb14b52583434a1a5cc491cd6d857e1b9c36013</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Cunha, Daniel Leme da</creatorcontrib><creatorcontrib>Carvalho, Antonio Carlos Pires</creatorcontrib><creatorcontrib>Ribeiro, Elísio José Salgado</creatorcontrib><creatorcontrib>Domingues, Romeu Côrtes</creatorcontrib><title>Ressonância magnética da osteonecrose do joelho: estudo de 19 casos</title><title>Radiologia brasileira</title><description>OBJETIVO: Descrever os achados epidemiológicos, clínicos e de ressonância magnética da osteonecrose das porções distal do fêmur e proximal da tíbia. MATERIAIS E MÉTODOS: Avaliação de 19 pacientes (12 mulheres e 7 homens), sem história prévia de fatores causais, com achados à ressonância magnética sugestivos de osteonecrose do platô tibial ou côndilo femoral. RESULTADOS: Verificou-se a presença de anormalidades osteocondrais em 63,1% dos casos e em 73,6% destes houve associação com lesão meniscal ipsilateral. Houve também importante associação com edema na medular óssea em correspondência (grau III em 16 casos). CONCLUSÃO: A ressonância magnética demonstrou ser um método não invasivo com boa sensibilidade no diagnóstico da osteonecrose do joelho, bem como das lesões associadas, sendo mais frequente nas mulheres (63% dos casos).
OBJECTIVE: To describe epidemiological, clinical and magnetic resonance imaging findings of osteonecrosis in the distal femur and proximal tibia. MATERIALS AND METHODS: Evaluation of 19 patients (12 women and 7 men), with no previous history of causative factors, with magnetic resonance imaging findings suggestive of osteonecrosis in the tibial plateau or femoral condyle. RESULTS: Osteochondral abnormalities were observed in 63.1% of the cases; in 73.6% of them, such abnormality was associated with ipsilateral meniscal lesion. Also, a significant association with bone marrow edema (grade III in 16 cases) was observed. CONCLUSION: Magnetic resonance imaging has demonstrated to be a noninvasive method with good sensitivity in the diagnosis of knee osteonecrosis as well as of associated lesions which are most frequently found in women (63% of cases).</description><issn>0100-3984</issn><issn>0100-3984</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNplkE1KA0EQhRtRMEbPYF9gtKp_p91JiEYICP6sh57uHp2QTMvUuPA67jxHLmZGRQQ3r96jikfxMXaKcIbawfk9IEAhXanE6ADEKHqPTX4X-3_8ITsiWu2urLRmwuZ3iSh32_cutJ5v_FO3_Rja4Hn0PNOQcpdCnynxmPkqp_VzvuCJhtddjImj48FTpmN20Pg1pZOfOWWPV_OH2aJY3l7fzC6XRUAQuogqaoBgnImN9VJYIWpXGhNDU6OqtdClVFJ59DoE5TBEE0ttE9YuSAMop8x-944_UZ-a6qVvN75_qxCqkUb1RaP6R0N-AtnGUn8</recordid><startdate>201004</startdate><enddate>201004</enddate><creator>Cunha, Daniel Leme da</creator><creator>Carvalho, Antonio Carlos Pires</creator><creator>Ribeiro, Elísio José Salgado</creator><creator>Domingues, Romeu Côrtes</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>201004</creationdate><title>Ressonância magnética da osteonecrose do joelho: estudo de 19 casos</title><author>Cunha, Daniel Leme da ; Carvalho, Antonio Carlos Pires ; Ribeiro, Elísio José Salgado ; Domingues, Romeu Côrtes</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1025-d4d500c696df7a32722b9866dcfb14b52583434a1a5cc491cd6d857e1b9c36013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cunha, Daniel Leme da</creatorcontrib><creatorcontrib>Carvalho, Antonio Carlos Pires</creatorcontrib><creatorcontrib>Ribeiro, Elísio José Salgado</creatorcontrib><creatorcontrib>Domingues, Romeu Côrtes</creatorcontrib><collection>CrossRef</collection><jtitle>Radiologia brasileira</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cunha, Daniel Leme da</au><au>Carvalho, Antonio Carlos Pires</au><au>Ribeiro, Elísio José Salgado</au><au>Domingues, Romeu Côrtes</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ressonância magnética da osteonecrose do joelho: estudo de 19 casos</atitle><jtitle>Radiologia brasileira</jtitle><date>2010-04</date><risdate>2010</risdate><volume>43</volume><issue>2</issue><spage>77</spage><epage>80</epage><pages>77-80</pages><issn>0100-3984</issn><eissn>0100-3984</eissn><abstract>OBJETIVO: Descrever os achados epidemiológicos, clínicos e de ressonância magnética da osteonecrose das porções distal do fêmur e proximal da tíbia. MATERIAIS E MÉTODOS: Avaliação de 19 pacientes (12 mulheres e 7 homens), sem história prévia de fatores causais, com achados à ressonância magnética sugestivos de osteonecrose do platô tibial ou côndilo femoral. RESULTADOS: Verificou-se a presença de anormalidades osteocondrais em 63,1% dos casos e em 73,6% destes houve associação com lesão meniscal ipsilateral. Houve também importante associação com edema na medular óssea em correspondência (grau III em 16 casos). CONCLUSÃO: A ressonância magnética demonstrou ser um método não invasivo com boa sensibilidade no diagnóstico da osteonecrose do joelho, bem como das lesões associadas, sendo mais frequente nas mulheres (63% dos casos).
OBJECTIVE: To describe epidemiological, clinical and magnetic resonance imaging findings of osteonecrosis in the distal femur and proximal tibia. MATERIALS AND METHODS: Evaluation of 19 patients (12 women and 7 men), with no previous history of causative factors, with magnetic resonance imaging findings suggestive of osteonecrosis in the tibial plateau or femoral condyle. RESULTS: Osteochondral abnormalities were observed in 63.1% of the cases; in 73.6% of them, such abnormality was associated with ipsilateral meniscal lesion. Also, a significant association with bone marrow edema (grade III in 16 cases) was observed. CONCLUSION: Magnetic resonance imaging has demonstrated to be a noninvasive method with good sensitivity in the diagnosis of knee osteonecrosis as well as of associated lesions which are most frequently found in women (63% of cases).</abstract><doi>10.1590/S0100-39842010000200005</doi><tpages>4</tpages></addata></record> |
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title | Ressonância magnética da osteonecrose do joelho: estudo de 19 casos |
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