Primary aneurysmal bone cyst of the patella: A case report

Traoré, A.; Doukouré, Brahima; Essoh, Jean Baptiste Sie; Mobiot, C.; Soumaro, K.

doi:10.1016/j.otsr.2010.08.006

Cited by 8 publications

(9 citation statements)

References 18 publications

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“…Mild expansion and a multiloculated appearance could also be observed [ 28 ]. CT scan showed a fluid-filled multiseptate cavities without intralesional calcifications in the patella suggesting an aneurysmal cyst [ 27 , 28 ]. MRI showed a hyperintense lobulated mass with fluid-filled cyst in the lesion of the patella [ 26 , 29 ].…”

Section: Reviewmentioning

confidence: 99%

“…Histopathologic examination of the biopsy material revealed empty bloody cavities or the presence of red blood cells [ 27 - 29 ]. The cavities were separated by those fibrous connective tissues composed of spindle cells, giant multi-nucleated cells, some macrophages, masses of hemosiderin, and trabecular bone [ 27 - 29 ].…”

Section: Reviewmentioning

confidence: 99%

“…The best choice of ABC treatment is surgical saucerization and curettage with removal of the cyst lining followed by bone grafting. Bone grafting or bone cement following curettage with burring by a mid-line surgical approach was employed to remove the lesion (Enneking stage 2) [ 27 - 29 ]. Patellectomy was also performed in some patients (Enneking stage 2) [ 1 , 20 ].…”

Section: Reviewmentioning

confidence: 99%

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Primary tumors of the patella

Song

Zhang

et al. 2015

World J Surg Onc

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The patella is an uncommon location for cancerous occurrence and development. The majority of tumors of the patella are benign, with a significant incidence of giant cell tumors and chondroblastoma. With the development of modern diagnostic technologies, there appear however many other histological types which raise challenges of diagnosis and treatment. In this article, we review the reported histological types of primary patellar tumors. Specifically, epidemiology, symptomatology, imageology, histopathology, and treatment options for these histological lesions will be discussed, respectively. As there is an increasing focus on the diagnosis and the treatment of these lesions, the availability of the integrated information about primary patellar tumors becomes more significant.

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Section: Reviewmentioning

confidence: 99%

Section: Reviewmentioning

confidence: 99%

Section: Reviewmentioning

confidence: 99%

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Primary tumors of the patella

Song

Zhang

et al. 2015

World J Surg Onc

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“…The appearance of multi-chamber lesions suggest secondary ABC [4,20] . ABC is featured as multi-chambers, expansible, osteolytic lesions, with thinner bone cortex on CT and MRI, with the uid level and focus separation noted on MRI [17,21] . This patient demonstrated lobulated osteolytic lesion with a clear boundary on images, although no calci cation was noted on the focus margin or in the focus, which is inconsistent with the characteristics of CB reported until date.…”

Section: Discussionmentioning

confidence: 99%

Chondroblastoma of the Patella with Secondary Aneurysmal Bone Cyst, an Easily Misdiagnosed Bone Tumor: A Case Report with Literature Review

Zheng¹,

Niu²,

Shi³

et al. 2020

Preprint

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Background: Chondroblastoma (CB) is a rare, primary, benign bone tumor that common affects men aged 15-20 years. It is usually detected in the epiphysis of the long bones, such as the proximal femur, humerus, and tibia. However, CB is extremely rare in the patella, especially in combination with secondary aneurysmal bone cyst (ABC). In fact, this complicated condition can be easily confused with other common bone tumors of the patella. Case presentation: We have presented here the case of a 30-year-old man who was suffering from the anterior knee pain for the past 6 months that got aggravated since the past 2 weeks. Osteolytic bone destruction in the patella could be detected in both his X-ray and computed tomography (CT) examinations, while the magnetic resonance imaging (MRI) detected a fluid level. Accordingly, secondary ABC was presumed. We diagnosed the condition as giant cell tumor (GCT) with secondary ABC and accordingly performed curettage inside the focus region by autogenous bone grafting in accordance with the patient's medical history, physical manifestations, results of physical and ancillary examinations, and the disease characteristics. However, the in- and postsurgical outcomes indicated that the patient’s histopathology was consistent with that of typical CB, suggesting a definitive error in diagnosis. Accordingly, the patient was finally diagnosed with patella CB along with secondary ABC.Conclusions: Past studies have demonstrated that the 3 commonest bone tumors affecting the patella are GCT, CB, and ABC. We believe that the condition of patella GCT and CB accompanied with secondary ABC can be easily misdiagnosed. Performing incision biopsy or excision biopsy and conducting histological examination may be the most effective approach to identify and distinguish among these diseases.

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“…An aneurysmal bone cyst of the patella is an even less common type of benign neoplasm, which was first described by Jaffe and Lichtenstein in 1942. It commonly occurs in young women and can be primary or secondary to trauma, chondroblastomas, giant cell tumors, or even osteosarcomas (23) .…”

Section: Aneurysmal Bone Cyst Of the Patellamentioning

confidence: 99%

Unusual lesions that distend the knee joint: pictorial essay

et al. 2016

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The high number of knee imaging exams at radiology clinics, together with the wide variety of knee disorders, calls for expanding the knowledge about the less common lesions seen in routine diagnostic practice. The purpose of this pictorial essay was to illustrate unusual lesions that distend the knee joint, selected by relevance and evaluated with multiple imaging modalities, including X-ray, computed tomography, and magnetic resonance imaging, as well as to perform a brief review of the literature.

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Primary aneurysmal bone cyst of the patella: A case report

Cited by 8 publications

References 18 publications

Primary tumors of the patella

Primary tumors of the patella

Chondroblastoma of the Patella with Secondary Aneurysmal Bone Cyst, an Easily Misdiagnosed Bone Tumor: A Case Report with Literature Review

Unusual lesions that distend the knee joint: pictorial essay

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