Benign osteoblastoma of the maxilla

El-Mofty, Sherif; Refal, Hamida

doi:10.1016/0278-2391(89)90126-2

Cited by 18 publications

(10 citation statements)

References 25 publications

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“…Osteoblastomas of the maxilla 3,[16][17][18][19] may show atypical radiographic findings. Jones et al 3 reported a case of osteoblastoma in the maxilla which demonstrated ground-glass opacification on plain radiographs and was difficult to differentiate from fibro-osseous lesions.…”

Section: Discussionmentioning

confidence: 99%

Recurrent osteoblastoma of the maxilla

Shah¹,

Kim²,

Kh³

et al. 2013

Dentomaxillofacial Radiology

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Osteoblastoma is a benign neoplasm which commonly occurs in the vertebral column and long bones. The tumour grows slowly and rarely recurs after surgery. This report presents the clinicopathological and radiological findings of a case of recurrent osteoblastoma in the maxilla. A 7-year-old male patient visited our department with chief complaints of left facial swelling and pain. A panoramic radiograph showed a homogeneous radio-opaque expansile lesion in the left maxilla. The lesion was thought to be fibrous dysplasia and the patient underwent a surgical excision using the Caldwell-Luc procedure. Histopathological examination of the lesion confirmed it as benign osteoblastoma. The lesion recurred 6 months after the initial surgery. CT images revealed a large mass with multiple internal calcifications. Subsequently, the patient underwent mass excision with subtotal left maxillectomy. Follow-up CT scans at 1 year intervals showed no recurrence for 5 years. Dentomaxillofacial Radiology ( Keywords: osteoblastoma; recurrence; X-ray computed tomography Case reportA 7-year-old male patient visited our department with the chief complaints of left facial swelling and pain. His medical history was unremarkable. Clinical and radiographic examinations were performed. Intraoral examination revealed a firm gingivobuccal swelling extending from the left maxillary deciduous lateral incisor to the left maxillary permanent first molar. Panoramic radiographs showed a homogeneous radio-opaque expansile lesion in the left maxilla and the lesion involved the whole maxilla. The adjacent tooth germs were displaced and the innominate line in the left maxillary sinus was not detected (Figure 1). The lesion was thought to be fibrous dysplasia from the initial clinical and panoramic radiographic findings; therefore, mass excision using the Caldwell-Luc operation was performed. The surgical specimen was 3.5 cm in diameter and it was spherical, encapsulated and firm tissue. On histopathological examination, bony trabeculae surrounded by a single layer of plump osteoblasts of high cellularity were observed in the stroma. There was no atypia or mitotic activity in the osteoblasts or in the mesenchymal cells of the stroma. Most of the calcifications consisted of woven bone without obvious lamellation. Multinuclear giant cells were often identified around the osteoid. As the trabeculation progressed, the stroma changed into loose fibrovascular tissue. The lesion was finally diagnosed as benign osteoblastoma (Figure 2).The patient revisited our department with an enlarged swelling in the same region 6 months after the operation. CT images revealed a large well-defined mass composed of two locules with multiple internal calcifications. Owing to the expansive nature of the lesion, the left orbital floor was elevated and the lateral wall of the left nasal cavity was pushed towards the medial side (Figure 3). The patient had undergone mass excision with subtotal left maxillectomy. The surgical specimens were composed of two, solid, firm soft-tissue ...

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Section: Discussionmentioning

confidence: 99%

Recurrent osteoblastoma of the maxilla

Shah¹,

Kim²,

Kh³

et al. 2013

Dentomaxillofacial Radiology

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“…However, unlike the cemento-ossifying fibroma which is a relat i ve l y avascular fibro-osseous lesion, the benign osteoblastoma is a vascular, osteoid-forming neoplasm. 19 Microscopic characteristics of this entity include a highly vascular and cellular tissue containing numerous trabeculae of osteoid with osteoblast rimming and immature bone with varying degrees of calcification. A few multinucleated giant cells may H & E ϫ100.…”

Section: Discussionmentioning

confidence: 99%

Cemento‐ossifying fibroma with mandibular fracture. Case report in a young patient

Ong

Siar

1998

Australian Dental Journal

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The cemento-ossifying fibroma is classified as an osteogenic neoplasm of the jaws. It commonly presents as a progressively growing lesion that can attain an enormous size with resultant deformity if left untreated. A case of a large cemento-ossifying fibroma involving the left mandible is described in a 15 year old male patient. The clinical, radiographic and histological features as well as surgical findings are presented. The treatment of choice of this lesion is also emphasized. Two years after surgery, there was no evidence of recurrence and the transosseous wire used to immobilize the fracture was found to be completely buried in the jaw bone.

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“…When making a differential diagnosis between them, it is very important to confirm whether or not the tumor is connecting with tooth root (18)(19). However, the attachment of the tumor to the root of the teeth should not be used as a basis for the diagnosis of cementoblastoma, as osteoblastoma in the tooth bearing area may envelop the roots of the involved teeth (20). Our case is not considered as cementoblastoma because no continuity to the root of the tooth was found.…”

Section: Discussionmentioning

confidence: 99%

“…Osteoblastoma should be differentiated from benign fibro-osseous lesions, practically ossifying fibroma, which usually presents as a painless swelling that produces facial deformity (20). The radiographic appearance of early ossifying fibroma appears as a relatively well-demarcated radiolucency, but later the lesion becomes more mineralized and relatively less localized (21).…”

Section: Discussionmentioning

confidence: 99%

Osteoblastoma in the maxilla: report of a case

et al. 2009

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The term "osteoblastoma" was first used by Jaffe (1) and Lichtenstein (2). Osteoblastoma is a vascular, osteoid-and bone forming benign tumor of bone characterized cytologically by the abundant presence of osteoblasts (3). Osteoblastoma accounts for about 1% of all bone tumors, and involves the spine and sacrum. The tumor is more common in males and affects patients in the age range of 10-30 years, with extremes of 5-70 years old (4-9). Osteoblastoma arising in the maxilla is very rare, and jaw lesions produce tooth pain and/or swelling (9). Diagnosis of osteoblastoma of the jaw is necessary to distinguish osteoid osteoma, cementoblastoma, fibro-osseous lesions and osteomyelitis (9). We present here a very rare case of osteoblastoma arising in the maxilla, and discuss the differential diagnosis and temporary relief of the pain. Case reportA 29-year-old man was referred to Nagasaki University Hospital for evaluation of a painful swelling on the right hard palate. He stated that the pain had been present for approximately two months and had worsened since its onset. Physical examination revealed a 2 cm in diameter, tender, Osteoblastoma in the maxilla: report of a case Abstract: A case of maxillary osteoblastoma in a 29-year-old man is presented. The patient developed a painful swelling on the right hard palate. Panoramic radiographs revealed a mixed radiolucent/radio-opaque mass surrounded by a narrow radiolucent zone in the apical area of the right maxillary first molar. Under the clinical diagnosis of apical periodontitis, root canal treatment for the molar was carried out. Bleeding from the root canal was observed during the treatment, and the painful swelling disappeared immediately. Shortly afterward, when the bleeding from the root canal stopped, the painful swelling recurred. CT showed a subcortical nodule in the right maxilla. Histopathological examination revealed the lesion was composed of immature bone with broad osteoid matrix at the periphery. The osteoid matrix of the immature bone was fringed with numerous plump osteoblasts without nuclear atypia. Some small foci composed of the neoplastic osteoblasts were associated with the osteoid. Histopathological diagnosis of the biopsy was benign osteoblastoma, and excision of the tumor completely relieved the pain. There has been no recurrence for 7 years. Reduction in vessel pressure due to root canal therapy was considered to have temporarily relieved the pain of osteoblastoma.

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Benign osteoblastoma of the maxilla

Cited by 18 publications

References 25 publications

Recurrent osteoblastoma of the maxilla

Recurrent osteoblastoma of the maxilla

Cemento‐ossifying fibroma with mandibular fracture. Case report in a young patient

Osteoblastoma in the maxilla: report of a case

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