Cases reported "Bone Diseases"

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1/163. Hemophiliacs bone pseudotumors.

    Four cases of proved hemophiliac pseudotumors caused by intraosseous bleeding are reported. Five lesions were found at the uncommon locations involving the cranial vault, mandible, phalanx, distal femur and distal tibia. The conventional radiographic and computed tomographic findings are expansile osteolytic destruction, cortical thinning, partial breaking cortex or pathological fracture, and sometimes associated soft tissue mass. Ultrasonographic feature of one case at the phalanx shows cortical expansion and thinning contained mixed echogenicity in the medullary canal with soft tissue extension. T99m DTPA of one case at the distal femur shows increased vascular flow and uptake at right distal tibia and left distal femur.
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ranking = 1
keywords = fracture
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2/163. Clinical picture and management of subperiosteal hematoma of the orbit.

    A subperiosteal hematoma was seen in a 14-year-old boy following a blow to his head during a car accident. The involved orbit exhibited exophthalmus and inability of the eye to move above the horizontal. x-rays revealed a hairline fracture of the skull and a hemotympanum was found on the injured side. A subperiosteal hematoma of the orbital roof was suspected. Needle aspiration of the blood from the orbital hematoma resulted in an almost immediate cure of all orbital and occular problems.
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ranking = 2.5809479969683
keywords = skull, fracture
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3/163. A surgical method for treating anterior skull base injuries.

    skull base surgery was performed on 18 patients with anterior skull base injuries. The operative technique consisted of opening the operative field in the anterior skull base via a coronal incision and a frontal craniotomy, debridement of the anterior skull base including the injured dura mater, performing drainage from the anterior skull base to the nasal cavity by ethmoidectomy, and reconstructing the resulting dural and anterior skull base defect using bilateral temporal musculo-pericranial flaps and a bone graft. Seventeen of the 18 patients recovered without any complications, although epidural abscesses in the anterior skull base had been present in four patients at the time of the operation. Only one patient developed an epidural abscess in the anterior skull base after the operation. None of the patients developed any other complications including meningitis, recurrent liquorrhoea or cerebral herniation. Satisfactory aesthetic results were achieved in 16 of the 18 patients. In one patient, uneven deformity of the forehead, which was caused by the partial sequestration of the frontal bone due to postoperative infection, was observed. In another patient, a depressed deformity of the forehead, which was caused by the partial loss of the frontalis muscle following the use of the frontal musculo-pericranial flap instead of a temporal musculo-pericranial flap, was observed. Anterior skull base reconstruction using bilateral temporal musculo-pericranial flaps provides excellent results in terms of patient recovery and aesthetics.
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ranking = 18.97137596362
keywords = skull
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4/163. Two sibs with an unusual pattern of skeletal malformations resembling osteogenesis imperfecta: a new type of skeletal dysplasia?

    We report a 6 year old boy with multiple fractures owing to bilateral, peculiar, wave-like defects of the tibial corticalis with alternative hyperostosis and thinning. Furthermore, he had Wormian bones of the skull, dentinogenesis imperfecta, and a distinct facial phenotype with hypertelorism and periorbital fullness. collagen studies showed normal results. His sister, aged 2 years, showed the same facial phenotype and dental abnormalities as well as Wormian bones, but no radiographical abnormalities of the tubular bones so far. The mother also had dentine abnormalities but no skeletal abnormalities on x ray. This entity is probably the same as that described in a sporadic case by Suarez and Stickler in 1974. In spite of the considerable overlap with osteogenesis imperfecta (bone fragility, Wormian bones, and dentinogenesis imperfecta), we believe this disorder to be a different entity, in particular because of the unique cortical defects, missing osteopenia, and normal results of collagen studies.
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ranking = 2.5809479969683
keywords = skull, fracture
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5/163. Familial hyperphosphatasemia: diagnosis in early infancy and response to human thyrocalcitonin therapy.

    Familial hyperphosphatasemia is an uncommon hereditary disorder of membranous bone with concurrent overproduction and overdestruction of bone and bone collagen by osteocytes. This process does not allow normal maturation into compact lamellar bone. Two cases of severely affected children are presented which demonstrate that the condition can be diagnosed in early infancy by abnormalities in the long bones. At this stage the skull may appear normal and the characteristic thickening of the calvarium appears later. The disease is treatable with human thyrocalcitonin; these and previously reported cases have responded favorably.
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ranking = 1.5809479969683
keywords = skull
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6/163. Intraosseous hematoma in a newborn with factor viii deficiency.

    We present an unusual case of an intraosseous hematoma in a newborn with a known bleeding disorder. This cephalohematoma was diagnosed shortly after birth, was entirely within the bony skull, and was in fact determined to be an intraosseous hematoma. The initial CT scans showed the unusual appearance and location of the lesion; later scans showed a significant amount of remodeling, with resolution of the hematoma. Although the coagulopathic diagnosis was independent of this finding, a bleeding disorder might be considered in other patients with similar CT findings.
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ranking = 1.5809479969683
keywords = skull
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7/163. fluorine-18 fluorodeoxyglucose PET in infectious bone diseases: results of histologically confirmed cases.

    The aim of this study was to evaluate the clinical use of fluorine-18 fluorodeoxyglucose positron emission tomography (FDG-PET) in acute and chronic osteomyelitis and inflammatory spondylitis. The study population comprised 21 patients suspected of having acute or chronic osteomyelitis or inflammatory spondylitis. Fifteen of these patients subsequently underwent surgery. FDG-PET results were correlated with histopathological findings. The remaining six patients, who underwent conservative therapy, were excluded from any further evaluation due to the lack of histopathological data. The histopathological findings revealed osteomyelitis or inflammatory spondylitis in all 15 patients: seven patients had acute osteomyelitis and eight patients had chronic osteomyelitis or inflammatory spondylitis. FDG-PET yielded 15 true-positive results. The tracer uptake correlated with the histopathological findings in each case. Bone scintigraphy performed in 11 patients yielded ten true-positive results and one false-negative result. Follow-up carried out on two patients revealed normal or clearly reduced tracer uptake, which correlated with a normalisation of clinical data. In early postoperative follow-up it was impossible to differentiate between postsurgical reactive changes and further infection using FDG-PET. It is concluded that acute and chronic osteomyelitis of the peripheral as well as the central skeleton can be detected using FDG-PET. osteomyelitis can be differentiated from soft tissue infection surrounding the bone. Unlike computed tomography and magnetic resonance imaging, FDG-PET is not affected by metal implants used for fixing fractures. FDG-PET demonstrated promising initial results with respect to treatment monitoring. Nevertheless, in the early postoperative phase FDG-PET seems to be of limited value owing to unspecific tracer uptake.
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ranking = 1
keywords = fracture
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8/163. Giant intradiploic epidermoid cysts of the skull. A report of eight cases.

    Giant intradiploic epidermoid cyst of the skull is a rare tumour. Only a small number of cases have been reported. Over a 16-year period, we treated eight cases of giant intradiploic epidermoid cyst of the skull. All cases were between 19 and 45 years of age, except one aged of 61 years. Five cases presented with local swellings, three patients came with infection and one had an extradural abscess. All the patients were operated upon after adequate preoperative care. patients with infection required appropriate antibiotics. Total or near total excision was carried out in all. One patient developed postoperative infection. So for those have been no recurrences. This appears to be the largest series of giant intradiploic epidermoid cyst of the skull so far reported.
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ranking = 11.066635978778
keywords = skull
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9/163. Amyloidoma of the skull base.

    We report a case of a primary amyloidoma of the skull base. Plain radiography and CT showed a lytic, highly destructive lesion with multiple scattered calcifications within. MR imaging revealed that the tumor was isoto hypointense to muscle on T1-weighted images and extremely hypointense on T2-weighted images. In contrast to two previous reports, marked enhancement after the administration of contrast material was absent. Bone amyloidomas are very rare and are frequently misinterpreted as chondrosarcomas.
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ranking = 7.9047399848416
keywords = skull
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10/163. Spontaneous pneumatocele and pneumocephalus associated with mastoid hyperpneumatization.

    We present a case of spontaneous pneumatocele and pneumocephalus associated with mastoid hyperpneumatization. collections of air such as these are normally due to injury or surgery, and more rarely, infection or tumor; exceptionally they may be spontaneous. The patient in question complained of a progressively enlarging retroauricular mass which increased in size on Valsalva maneuvers; he had no other symptoms. The etiology, skull x-rays, computed tomography and follow-up after surgery are shown here.
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ranking = 1.5809479969683
keywords = skull
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