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1.
Rev. bras. ortop ; 50(5): 601-606, set.-out. 2015. graf
Article in Portuguese | LILACS | ID: lil-766242

ABSTRACT

O cisto ósseo aneurismático tem uma incidência de 0,14 a cada 100 mil indivíduos. O subtipo parosteal é o menos prevalente, representa 7% de todos. Apresentamos um paciente mas culino, 38 anos, com dor e abaulamento em braço direito havia oito meses. Diagnosticado previamente como tumor de células gigantes, teve sua lâmina revisada e então foi feito o diagnóstico de cisto ósseo aneurismático parosteal. O paciente foi tratado com infiltração intralesional de corticosteroide e calcitonina e evoluiu com melhoria clínica e radiológica já nas primeiras cinco semanas pós-operatórias.


The incidence of aneurysmal bone cysts is 0.14 cases per 100,000 individuals. Parosteal aneurysmal bone cysts are the least prevalent subtype and represent 7% of all aneurysmal bone cysts. We present the case of a 38-year-old male patient with pain and bulging in his right arm for eight months. He had previously been diagnosed as presenting giant-cell tumor, but his slides were reviewed and his condition was then diagnosed as parosteal aneurysmal bone cyst. The patient was treated with corticosteroid and calcitonin infiltration into the lesion and evolved with clinical and radiological improvement within the first five weeks after the operation.


Subject(s)
Humans , Male , Adult , Adrenal Cortex Hormones , Bone Cysts, Aneurysmal , Calcitonin , Infiltration-Percolation
2.
Rev. bras. ortop ; 50(1): 117-121, Jan-Feb/2015. graf
Article in English | LILACS | ID: lil-744641

ABSTRACT

Although tumors or pseudotumoral lesions are rare in the infrapatellar fat, they may affect it. Osteochondroma is the commonest benign bone tumor. However, extraskeletal presentations are rare. There are three extraskeletal variants of osteochondroma: synovial chondromatosis, para-articular chondroma and soft-tissue chondroma. We present a case of a single intra-articular lesion in the area of Hoffa's fat, in a 78-year-old female patient with a complaint of progressive knee pain associated with severe arthrosis. From the clinical and radiological findings, the diagnosis was para-articular osteochondroma. However, the histopathological findings, after excision of the lesion, showed that this was synovial chondromatosis secondary to osteoarthrosis...


Tumores ou lesões pseudotumorais, apesar de raros, podem acometer a gordura infrapatelar. O osteocondroma é o tumor ósseo benigno mais comum. Entretanto, sua apresentação extraesquelética é rara. Três são as variantes do osteocondroma extraesquelético: a condromatose sinovial, o condroma para-articular e o condroma de partes moles. Apresentamos um caso de lesão intra-articular única na topografia da gordura de Hoffa em uma paciente feminina de 78 anos com queixa de dor progressiva em joelho associada a artrose grave. Pelos achados clínicos e radiológicos o diagnóstico foi de osteocondroma para-articular. Entretanto, os achados histopatológicos - após exérese da lesão - evidenciaram condromatose sinovial secundária a osteoartrose...


Subject(s)
Humans , Female , Aged , Adipose Tissue , Chondromatosis, Synovial , Osteochondroma
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