Osteochondritis Dissecans of the Patella

Pantazopoulos, Th.; Exarchou, E

doi:10.2106/00004623-197153060-00017

Cited by 16 publications

(5 citation statements)

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“…The English literature describes 24 cases in which osteochondritis dissecans patellae was the apparent diagnosis [1,[5][6][7][8][9][11][12][13][14][15][16][17]. The English literature describes 24 cases in which osteochondritis dissecans patellae was the apparent diagnosis [1,[5][6][7][8][9][11][12][13][14][15][16][17].…”

Section: Discussionmentioning

confidence: 99%

The dorsal defect of the patella

1976

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The dorsal defect of the patella is described and 16 cases are presented. The typical dorsal patellar defect is a round, radiolucent lesion surrounded by a zone of sclerosis located on the superolateral aspect of the dorsal surface of the patella. The location, radiographic appearance and clinical course of the defect are unique, distinguishing it from other lesions of the patella. The authors suggest that the dorsal defect is an anomaly of Ossification and of little clinical significance.

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Section: Discussionmentioning

confidence: 99%

The dorsal defect of the patella

1976

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“…In man, osteochondrosis of the patella is rare (3,(11)(12)(13), only 109 reported cases of osteochondritis dissecans of the patella exist in the world literature (11). The condition is most common in older adolescent males causing subpatellar pain, swelling, femoropatellar crepitus and joint effusion.…”

Section: Introductionmentioning

confidence: 99%

“…Sinding-Larsen-Johansson disease, another form of osteochondrosis, involves fragmentation of the inferior pole of the patella (14). Lesions are identified on lateral and tangential (skyline) radiographs (11)(12)(13)15). Computed tomography is recommended prior to conventional tomography, arthrography, or arthroscopy and has the advantage of detecting partially filled-in defects and early lesions (15).…”

Section: Introductionmentioning

confidence: 99%

Osteochondral Fragmentation (Osteochondrosis) of the Canine Patella

Shealy¹,

Kincaid²,

Hathcock³

et al. 1992

Vet Comp Orthop Traumatol

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SummaryThree four-month-old female grey-hound siblings with osteochondral fragmentation of the lateral aspect of the patella are presented. One dog was affected unilaterally and two bilaterally. The dogs exhibited mild weight-bearing lameness, slight flexion of the stifle, and discomfort during full flexion and extension of affected stifles. A non-palpable, mild synovial effusion was cytologically consistent with chronic inflammation and compatible with osteochondrosis and degenerative joint disease. The hallmark clinical sign was a characteristic prominence of the patella. Cranioproximalcraniodistal oblique (skyline) radio-graphs and transverse CT scans revealed osteochondral fragments and defects of the patella. The osteochondral fragments were surgically excised in two dogs and one dog was necropsied. The osteochondral fragments and patellae were evaluated histologically. Macroscopic and microscopic features of the osteochondral tissues were characteristic of osteochondrosis.Osteochondrosis of the patella was diagnosed in three sibling Greyhounds. The hallmark clinical sign was enlargement and prominence of the patella. Radiographic examination, cranioproximal-craniodistal oblique view, demonstrated the fragmented lateral border of the patella. Findings from computed tomography and histopathological examination are described. Surgical excision of the fragment in two dogs restored satisfactory function.

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“…Rombold in 1936 [20] was, to our knowledge, the first to describe a case of ODP. The overall number of reported cases in the world literature is approximately 180 [2,18].…”

Section: Discussionmentioning

confidence: 97%

Etiological aspects in osteochondritis dissecans patellae

Bruns

Luessenhop

Lehmann

1999

Knee Surgery, Sports Traumatology, Arthroscopy

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In a retrospective study probable etiological factors of rare cases of osteochondritis dissecans of the patella were analyzed. Anamnestic data and data obtained from standardized roentgenography in the anterior-posterior, axial, and lateral views of the patella were evaluated. Anamnestic data provided no evidence of the etiology in addition to the fact that several patients mentioned a single or multiple trauma. In contrast to this, evaluation of the roentgenograms showed that most of the patients with osteochondritis patellae exhibited a flat articular surface of the patella (types I and V in Hertel's classification) and a distinct accumulation of the patellae with greater lateral than medial facet (types II and III in Wiberg's classification). Furthermore, the axial shape of the patellar groove exhibited a distinct accumulation of type III trochleae, representing a hypoplasia of the medial and hyperplasia of the lateral part of the trochlea. Evaluation of the lateromedial patellar alignment revealed in a distinct accumulation of grade II dislocation medially and laterally. Although the data were obtained from a rather small number of patients, in our opinion these results support the theory of biomechanical induction of osteochondritis dissecans patellae. Further dynamic analyses are needed to clarify biodynamic effects on the patella and the patellofemoral joint.

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Osteochondritis Dissecans of the Patella

Cited by 16 publications

References 0 publications

The dorsal defect of the patella

The dorsal defect of the patella

Osteochondral Fragmentation (Osteochondrosis) of the Canine Patella

Etiological aspects in osteochondritis dissecans patellae

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