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PubMed1989

Radiological case of the month. Monostotic fibrous dysplasia of the temporal bone.

Computed tomographic scan demonstrating narrowing of the left external auditory canal caused by an expansile bone lesion of the temporal bone (curved arrow). The regional bone was characterized by a "ground-glass" appearance. A small cholesteatoma is located between the tympanic membrane and the bony lesion (black arrow).

Adolescent↗
PubMed2000

Recurrent chromosome aberrations in fibrous dysplasia of the bone: a report of the CHAMP study group. CHromosomes And MorPhology.

The nosologic status of fibrous dysplasia (FD), a well-known and relatively common bone lesion, is controversial. Information collected by the CHromosomes And MorPhology (CHAMP) study group on published and unpublished cases of fibrous dysplasia shows the presence of clonal chromosome changes in at least a proportion of these lesions. The chromosome aberrations found in FD lesions have been quite variable and have included both structural and numerical changes. Two of the three cases investigated at the study group had trisomy 2 as the sole acquired anomaly. Combined with previously published data, +2 and rearrangements involving chromosome band 12p13 have each been detected in 3 of 8 cases with abnormal karyotype of 11 in which chromosomal analysis has been performed, suggesting that FD is a neoplastic lesion rather than a "dysplastic" process, as has been generally believed and as implied by its very name.

Adolescent↗
PubMed1989

[Radiologic diagnosis and differential diagnosis of fibrous dysplasia of the facial bones].

A radiologic-pathologic correlative study was carried out on 43 cases with fibrous dysplasia of the facial bones with emphasis on basis for radiological diagnosis. The x-ray manifestations according to density changes are classified into three types: sclerotic, osteolytic and mixed. The lesion extends along the longitudinal axis in the mandible whereas in the maxilla, the lesion spreads in a diffuse pattern along the wall of the maxillary antrum with preservation of maxillary contour. The authors considered that fibrodysplasia and ossifying fibroma are different disease entities and should be distinguished by combination of clinical, radiologic and pathologic evidences.

Adolescent↗
PubMed1987

Aneurysmal bone cyst arising in fibrous dysplasia during pregnancy.

A case of two secondary aneurysmal bone cysts arising in fibrous dysplasia during pregnancy is reported. Marked radiographic changes were seen in one lesion over a 3-week period. The development of these cysts during pregnancy strongly suggests that the hemodynamic and/or hormonal changes of pregnancy were responsible for their formation.

Acromion↗
PubMed1986

Fibro-osseous lesions of the head and neck.

Review and classification of fibro-osseous lesions of the head and neck is presented. The common denominator to all these pathologic entities is replacement of normal bone with fibrous tissue.

Cementoma↗
PubMed1998

[Painful tibial swelling in a young patient. Findings of radiology and radionuclide scanning. Anatomopathological correlation].

We report on the case of a young man with a longstanding tumor in the left proximal tibia, in whom we had the opportunity to correlate both radiologic (plain films plus MRI) and bone scintigraphic findings with those of biopsy and clinical follow-up. The final diagnosis was bone fibrous dysplasia. The correlation between noninvasive diagnostic findings is discussed, and the convenience of using such test combination is also stressed in order to endorse a noninvasive approach to such patients, given the low malignant potential, the exception being those patients in whom there is a definite fractures risk.

Adult↗
PubMed2000

Fibrous dysplasia of the temporal bone: report of a case and a review of its characteristics.

Fibrous dysplasia is an uncommon benign disorder of unknown etiology. It represents a disturbance of normal bone development--specifically a defect in osteoblastic differentiation and maturation that originates in the mesenchymal precursor of the bone. Because fibrous dysplasia shows a predilection for the facial and cranial bones, where it causes deformity and dysfunction, the disease is of particular interest to the otolaryngologist. In this paper, we report a case of fibrous dysplasia of the temporal bone, the first symptom of which was a mixed hearing loss. We discuss the characteristic features of this specific location of the disease, the differential diagnosis, and the treatment policy. We also address the issue of secondary sensorineural hearing loss.

Fibrous Dysplasia of Bone↗
PubMed2006

[A case report of fibrous dysplasia in right temporal bone].

The authors describe the rare case of fibrous dysplasia in temporal bone. Dysplasia fibrosa is a benign osseous condition that may involve one or more bones in the cranial and extracranial skeleton. Temporal bone involvement occurs in 18 per cent of craniofacial diseases. Clinical, radiographic and histologic examinations are essential to confirm the diagnosis of fibrous dysplasia. Treatment of illness depends on the associated symptoms.

Adult↗
PubMed1990

[Fatigue fracture of the calcaneus].

Formerly, stress-fractures of the metatarsus were the most common stress fractures. But over the last years, tibial and calcaneal localizations have dominated. The diagnosis of a calcaneal stress fracture is usually easy, provided the possibility is remembered. The symptoms are indeed vague, and radiological alterations are often not seen during the first 2 months. Sclerosis (callus formation) is the first finding on roentgenograms. A periosteal reaction like on tabular bone is never seen. Signs of a stress fracture are first seen on bone-scan, but other nonstress-related bone abnormalities which have not manifested any radiographic changes such as early osteomyelitis, fibrous dysplasia, bone tumor, etc. have to be excluded. The treatment is simple. Vigorous activities are stopped for 6 weeks, soft heel pads are given, partial weight-bearing can be helpful for some days. Plaster is usually neither necessary nor useful.

Calcaneus↗
PubMed1980

Computed tomography and bone scintigraphy is polyostotic fibrous dysplasia. Report of a case.

A case of polyostotic fibrous dysplasia is presented in which the extent of bony lesions was defined on the results of the CT scan and bone scan with 99m Tc polyphosphate in addition to conventional radiography. These diagnostic procedures appear to be of considerable value in defining the extent of a variety of oral-maxillofacial bony lesions. This report describes the comparative findings from 99m Tc polyphosphate bone imaging and computed tomography (CT) in one patient with polyostotic fibrous dysplasia.

Adult↗
PubMed2003

Large cystic fibrous dysplasia of the temporal bone: case report and review of literature.

Fibrous dysplasia is an uncommon benign disorder of unknown aetiology. It most likely represents a disorder of normal bone development. As it may occasionally involve the temporal bone, and encroach on the middle cranial fossa, it is of interest to the neurosurgeon. Fibrous dysplasia of the cystic variety is very uncommon. We report a case of a large cystic fibrous dysplasia involving predominantly the squamous temporal bone. The radiology and histology are discussed, and its differentiation from other lesions.

Craniotomy↗
PubMed1980

[Fibrous dysplasia of the maxillofacial bones of adults].

Clinico-roentgeno-anatomical analysis of 39 cases of fibrous dysplasia (FD) of maxillofacial bones in adults was performed. FD morphology was found to be nonspecific, and similar structures could be observed in osteofibroma, osteoblastoma and cementodysplasia of maxillar bones. Diagnosis can be made only clinico-morphologically. The morphological structure of FD is variable and depends on the degree of maturation of bone neoplasia, the intensity of the processes of rearrangement, regressive changes, age, etc.

Adolescent↗