Ossification of infrapatellar bursae and fat pad

Robillard, Gregory L.

doi:10.1016/s0002-9610(41)90167-8

Cited by 21 publications

(6 citation statements)

References 5 publications

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“…Therefore, the lesion in our case 3, which was mainly osseous without a lobular pattern, was not likely to be a chondroma. Our third lesion was consistent with the lesions described by Robillard [12] or Kautz [5] and the third lesion of Mosher et al [9], and should be termed "osteochondroma".…”

Section: Discussionsupporting

confidence: 90%

“…A variety of nomenclature has been assigned to osseous or cartilaginous masses occupying the infrapatellar space [1,3,[5][6][7][8][9][10][11][12][13]15].…”

Section: Discussionmentioning

confidence: 99%

“…Reith et al [11] reported 1 case and found only 16 additional cases reported previously in English literature. In those articles many pathological denominations were confusingly given to these lesions, including "chondroma" [1, 3, 6, 8-10, 13, 15], "ossification of infrapatellar bursae and fat pad" [12], "osteoma" [5], and "osteochondroma" [7,8,11]. The purposes of this article are to document 3 lesions located in the region of the infrapatellar fat pad and to suggest the important clinical, radiological, and pathological features to differentiate these lesions.…”

Section: Introductionmentioning

confidence: 99%

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Para-articular chondroma and osteochondroma of the infrapatellar fat pad: a report of three cases

Sakai

Tamai

Iwamoto

et al. 1999

International Orthopaedics

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We report three cases of para-articular chondroma and osteochondroma in the region of infrapatellar fat pad. All three lesions were resected and examined histologically. Two of them were primarily cartilaginous with a lobular pattern internally, and one uniformly osseous with peripheral cartilage. We conclude that these lesions are not the same. The former should be designated para-articular chondroma after Jaffe and the latter, osteochondroma.Résumé Nous rapportons trois cas de chondrome paraarticulaire et d'ostéochondrome situés dans le corps adipeux infrapatellaire. Ces trois lésions ont été résequèes et examinées histologiquement. Deux d'entre elles étai-ent au départ cartilagineuses et avaient une forme lobulaire interne, et l'autre était uniformement osseuse avec un cartilage périphérique. Nous en concluons que ces lés-ions ne sont pas les mêmes histopathologiquement. Les premières devraient être appelées, à la suite de Jaffe, chondrome para-articulaire et la troisième, ostéochond-rome, de façon à l'opposer aux dénominations équivo-ques utilisées dans les présentations précédentes.

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Section: Discussionsupporting

confidence: 90%

“…A variety of nomenclature has been assigned to osseous or cartilaginous masses occupying the infrapatellar space [1,3,[5][6][7][8][9][10][11][12][13]15].…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Para-articular chondroma and osteochondroma of the infrapatellar fat pad: a report of three cases

Sakai

Tamai

Iwamoto

et al. 1999

International Orthopaedics

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“…4). It occurs distal to the patella, deep to the patellar tendon, and is intracapsular but extrasynovial [1,11,18,19,22,23]. The osteochondral densities (usually round in shape) are accompanied by loss of the normal lucency of the infrapatellar fat pad, and in over two-thirds of cases [17] there is a large pressure erosion on the inferior pole of the patella.…”

Section: Discussionmentioning

confidence: 99%

Soft tissue chondromas: diagnosis and differential diagnosis

et al. 1993

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The authors evaluated three cases of soft tissue chondromas in patients aged 55, 57, and 78 years. Two of the lesions occurred in the foot and one in the hand. All three patients had long histories (over 1 year) of a palpable mass and all three had roentgenograms showing well-demarcated lobulated soft tissue lesions with both central and peripheral calcifications. Recognition of this rare benign chondroid lesion on imaging studies is significant since it may be misinterpreted as an aggressive lesion or a primary synovial abnormality.

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“…the infrapatellar fat pad are rare, and only 32 cases have been reported. But various descriptive terms including ''para-articular chondroma,'' [1][2][3][4][5][6][7][8] ''para-articular osteochondroma,'' 4,7,[9][10][11][12][13][14][15][16] ''ossification of infrapatellar fat pad,'' 17 and ''capsular osteoma'' 18 have been assigned to these lesions. This confusion in the nomenclature has caused difficulty in precisely diagnosing an osteochondral lesion arising from this region.…”

mentioning

confidence: 99%

Para-articular Osteochondroma of the Infrapatellar Fat Pad

Goto¹,

Nemoto²,

Imanishi³

2011

J Knee Surg

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We report a rare case of para-articular osteochondroma of the infrapatellar fat pad. A 56-year-old woman presented with a 2-year history of mild anterior knee pain and a hard mass around the right knee. Plain radiographs and computed tomography revealed trabeculated ossification within the infrapatellar fat pad. We performed surgery through an open approach. The mass was located within the infrapatellar fat pad and did not communicate with the joint space or patellar tendon. The gross appearance of the tumor resembled an osteochondroma. On microscopic examination, it was composed of cartilaginous tissue with areas of multifocal endochondral ossification surrounded by fibrous connective tissue. There was no synovial tissue. We diagnosed it as a para-articular osteochondroma of the infrapatellar fat pad. In the literature, this entity is rare. Differential diagnosis includes a variety of bone-forming lesions including malignancy. Definitive diagnosis is made by combining clinical, radiologic, and histologic findings.

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Ossification of infrapatellar bursae and fat pad

Cited by 21 publications

References 5 publications

Para-articular chondroma and osteochondroma of the infrapatellar fat pad: a report of three cases

Para-articular chondroma and osteochondroma of the infrapatellar fat pad: a report of three cases

Soft tissue chondromas: diagnosis and differential diagnosis

Para-articular Osteochondroma of the Infrapatellar Fat Pad

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