Simple bone cysts treated by injection of autologous bone marrow.
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Bone Cysts↗
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Simple bone cysts treated by injection of autologous bone marrow.
Explore the source record for details and available documents.
Bone Cysts↗
Aneurysmal bone cyst involving the lunate.
Aneurysmal bone cysts are rare lesions which even more rarely involve the bones of the hand. We report a case of a cyst involving the lunate which was initially mistaken for interosseous ganglion. Due to delay in diagnosis, marked destruction of the lunate occurred, necessitating excision and scapho-capitate arthrodesis. Although rare, aneurysmal bone cysts should be included in the differential diagnosis and ruled out prior to embarking on a course of treatment.
Bone Cysts, Aneurysmal↗
Ultrastructure of aneurysmal bone cyst.
The ultrastructure of 5 cases of primary aneurysmal bone cysts is described. The most frequent cells found are fibroblasts containing varying amounts of glycogen. Primitive mesenchymal cells in different stages of differentiation are seen. The foci of osteoid and bone originate through metaplastic changes of the spindle cell stroma. We feel that the fibroblastic proliferation and bone formation are manifestations of a reactive process. The giant cells are similar to those of other giant cell lesions of bone. A case of cystic chondroblastoma with secondary aneurysmal bone cyst features was studied. It shows, in addition to chondroblastoma cells, elongated cells similar to the reactive fibroblasts of primary aneurysmal bone cyst. We feel that aneurysmal bone cyst is a benign non-neoplastic condition that can develop in bone as a primary bone lesion; it may also be associated with a pre-neoplastic condition that can develop in bone as a primary bone lesion; it may also be associated with a pre-existing bone condition, and occasionally develops following trauma with subperiosteal hematoma.
Adolescent↗
Aneurysmal bone cyst of the spine with familial incidence.
STUDY DESIGN: A report of two cases of aneurysmal bone cysts of the spine occurring in a father and daughter. OBJECTIVE: To present an unusual finding of familial incidence of aneurysmal bone cyst and review the literature. SUMMARY OF BACKGROUND DATA: Aneurysmal bone cysts are benign, expanding, locally aggressive lesions. Up to 20% of cases involve the spine. The cause of primary aneurysmal bone cysts remains unclear. There have been three previous reports of a familial incidence supporting the importance of a hereditary component in the cause of aneurysmal bone cysts. METHODS: A 36-year-old man and a 7-year-old girl were diagnosed with aneurysmal bone cyst involving the spine by clinical manifestations, radiographic features, and histologic evaluation. RESULTS: The father remains recurrence- and symptom-free 6 years after primary resection. Five months after surgery, the daughter was found to have recurrent disease by magnetic resonance imaging and underwent a second procedure within 1 year of the primary resection. CONCLUSION: The occurrence of a primary aneurysmal bone cyst in two family members, occurring at adjacent vertebral levels, is suggestive of a hereditary component to the formation of primary aneurysmal bone cyst.
Adult↗
Aneurysmal bone cyst. A population based epidemiologic study and literature review.
Aneurysmal bone cyst is a rare nonneoplastic expansile osteolytic bone lesion of unknown etiology. To the best of the authors' knowledge, no epidemiologic study concerning its incidence has been reported. The authors performed a retrospective, population based analysis of 94 patients with primary aneurysmal bone cyst and a literature review of 1002 patients regarding gender and age predilection. The annual incidence of primary aneurysmal bone cyst was 0.14 per 10(5) individuals. The male to female ratio was 1:1.04, and the median age was 13 years (range, 1-59 years). The results of this study and data compiled from the literature show that aneurysmal bone cysts occur significantly more often in female patients.
Adolescent↗
Orbitoethmoid aneurysmal bone cyst. Case report and literature review.
Aneurysmal bone cyst is a benign, vascular, variable growing and expansive lesion that can occur in any part of the skeletal system, but mainly in long bones and vertebrae. We present a case of orbitoethmoid aneurysmal bone cyst in a 62-year-old female presenting epiphora. Nasal endoscopy was normal. Sinus CTscan revealed an expansive mass in the right ethmoid sinus extending and destroying the right lamina papiracea. The tumor was completely resected through paralateral rhinotomy. Histological analysis showed fibrous septa containing multinucleated giant cells and bone tissue surrounding blood vessel lumens, bordered by endothelial cells. These findings are characteristic of aneurysmal bone cysts. After 30 months of postoperative follow-up the patient remains disease-free and asymptomatic.
Bone Cysts, Aneurysmal↗
Traumatic bone cyst--a case report.
Traumatic bone cyst is an asymptomatic, slow growing, non expansile lesion commonly diagnosed during routine radiographic examination of the jaw bones. It is more frequently seen in young age, with predilection for anterior region of the mandible leading to a dramatic healing of the lesion. A typical case of traumatic bone cyst in a 12 year old girl is reported. A routine radiologic assessment of the patient with panoramic radiograph revealed a fairly large lesion in the anterior region of the mandible. On surgical exploration, clinical diagnosis was confirmed. Post operative successive radiograph shows progressive osseous healing.
Child↗
[Radical surgery and vertebral body replacement in aneurysmal bone cysts of the spine].
6 cases of aneurysmal bone cyst of the spine are presented. The clinical picture, diagnostic procedures and operative treatment will be discussed. Although aneurysmal bone cyst is a benign, non-neoplastic lesion its spreading tumor growth with destruction of important bony structures of the vertebral body, consecutive instability and cord compression presents a considerable menace to the mostly teenage-patient. Spinal computerized tomography is the diagnostic method of choice. The goal of surgical therapy of the aneurysmal bone cyst of the spine should include radical tumor excision in order to avoid recurrent tumor growth followed by vertebral body replacement and osteosynthetic stabilisation.
Adolescent↗
Simple bone cyst is not a single entity: point of view based on a literature review.
Three varieties of simple bone cysts have not attracted a lot of clinical attention: simple bone cysts in non-tubular bones, multiple cysts and epiphyseal cysts. Simple bone cysts occurring in non-tubular bones form about 4-10% of total cases, with a higher age incidence and better prognosis. Epiphyseal simple bone cysts have a higher age incidence, a lower male/female ratio, a very high humerus/femur ratio and higher incidence of tibial location than the classic metaphyseal cysts. Multiple cysts occur in the higher age group and show very high male predominance. In the review of the literature, 15 cysts (35.7%) were in non-tubular bones and six cysts (14.3%) were epiphyseal. They have a better prognosis than the classic metaphyseal ones. Four clinico-anatomic varieties of simple bone cysts could be recognized: classic metaphyseal, non-tubular, epiphyseal, and multiple. Venous obstruction might be the cause of all forms of the disease but the etiologies of venous obstruction causing the last three clinical forms might be different from that causing the classic metaphyseal ones.
Bone Cysts↗
Traumatic bone cyst: case report.
The traumatic bone cyst is a lesion whose aetiology and pathogenesis have not been conclusively established. There are several theories and names for this lesion and various forms of management have been reported in the literature. This report outlines the clinical and radiographic findings associated with a case of a traumatic bone cyst. Laboratory investigations were also carried out and their findings are reported. This case was treated jointly by the endodontic and oral surgery departments of an institution and demonstrates the need for close follow-up from both departments. In particular, the endodontic aspects of monitoring the pulp status of teeth in the region of such a bone lesion are emphasised.
Adolescent↗
Aneurysmal bone cyst of the orbit associated with fibrous dysplasia.
Aneurysmal bone cyst is a rare but recognized osseous lesion of the orbit. We report the presentation, treatment, and postoperative course of an orbital aneurysmal bone cyst in a patient with McCune-Albright syndrome. To our knowledge, this report represents the first description of aneurysmal bone cyst of the orbit in a patient with fibrous dysplasia. Although visual loss in patients with fibrous dysplasia is most commonly due to narrowing of the optic canal, aneurysmal bone cyst should be considered in a patient with fibrous dysplasia who presents with decreasing vision in the face of a rapidly expanding orbital mass. The treatment in this case was drainage and debridement with prompt resolution. Although not necessary in this case, an alternative treatment includes packing with bone chips. Radiation is usually avoided because of the risk of iatrogenically induced sarcoma.
Adult↗
Prostaglandin levels in a unicameral bone cyst treated by corticosteroid injection.
Unicameral bone cysts are benign processes of obscure origin. Surgical treatment has not been encouraging; however, in the past decade, corticosteroid injection has afforded good results. The reason for the efficacy of steroid treatment has not been demonstrated. We measured the prostaglandin level in the aspirated fluid of a unicameral cyst before and 4 months after corticosteroid injection. A basis for treatment of the benign bone cyst is postulated.
Bone Cysts↗
[Aneurysmal bone cyst of the mandibular condyle].
INTRODUCTION: Aneurysmal bone cyst (ABC) is a pseudotumor of bone consisting of a septated cystic cavity filled with blood. CASE: We report a case of aneurysmal bone cyst of the left mandibular condyle discovered in a 10-year-old child with a history of mandibular trauma which had occurred one year earlier. The treatment consisted in surgical excision of the lesion and reconstruction using a chondro-costal graft. The post operative development led to a chondral hyperplasia. DISCUSSION: We discuss the pathogenesis of the ABC centered on three theories, traumatic, vascular and tumoral of primary lesion. There are several complementary examinations to establish the diagnosis of ABC but the histopathological examination is the only way to confirm the diagnosis. The differential diagnosis of ABC is not an easy task. Surgical management with removal followed by immediate reconstruction is preferred.
Bone Cysts, Aneurysmal↗
Aneurysmal bone cysts.
Ten cases of aneurysmal bone cysts in various parts of the body are presented. Their features are analysed and the relevant literature is reviewed.
Adolescent↗
Magnetic resonance imaging of aneurysmal bone cyst.
A case of aneurysmal bone cyst is presented, and the radiographic, computed tomographic, and magnetic resonance imaging findings are discussed. The potential advantages of magnetic resonance imaging compared with those of computed tomography are explained. The case is presented to illustrate the potential value of magnetic resonance imaging in the evaluation of bone and soft tissue tumors.
Adult↗
Implantation of human demineralized bone matrix (DBM) for the treatment of juvenile bone cysts.
OBJECTIVE: Definitive bony consolidation in juvenile bone cysts. Prevention of pathologic fractures. Preservation of limb function. INDICATIONS: Juvenile bone cysts at all sites. CONTRAINDICATIONS: Malignant cystic lesions. SURGICAL TECHNIQUE: After opening and curettage, the cyst is packed with human demineralized bone matrix (DBM). POSTOPERATIVE MANAGEMENT: Clinical and radiologic checks after 1, 4, and 6 months, followed by further 6-monthly checks. RESULTS: Over a period of 2 years, nine cysts packed with DBM showed almost totally osteodense images after an average of 8 months, with no other significant changes (follow-up period: 24 months). A typical decrease in cyst transparency on the plain radiographs was already detectable in all patients after 3-4 months. Marked cortical remodeling was visible after 6 months. A significant complication in one cyst in the distal tibial region was a pathologic fracture following distortion trauma; this occurred after 5 months, probably because of insufficient filling of the cyst. The fractured limb was immobilized in a lower-leg cast and healed sufficiently for stable weight bearing after 12 weeks.
Adolescent↗