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At least 721 records · Page 40Linked to original sources
PubMed1989

[A space-occupying hemorrhage following spinal anesthesia in the presence of an undiagnosed small spinal tumor (ependymoma)].

Space-occupying subarachnoid bleeding after atraumatic puncture of the spinal canal for spinal anesthesia in a patient with no coagulation disorders or anticoagulant therapy is described. The hematoma was caused by puncturing a previously undiagnosed small spinal ependymoma. A thorough and specific preoperative evaluation is of importance to minimize the risks associated with spinal anesthesia.

Anesthesia, Spinal↗
PubMed1989

Skeletal metastases in liposarcoma detectable only by magnetic resonance imaging.

Diffuse, asymptomatic skeletal metastases occurred in a 46-year-old patient with liposarcoma. These metastases were detected by magnetic resonance imaging (MRI) but not by roentgenograms or radionuclide scans. Pathologic confirmation from the MRI-detected area was obtained. This observation suggests a possible explanation for the present discrepancy between the incidence of skeletal involvement in antemortem and postmortem studies in metastatic liposarcoma. MRI may be an extremely sensitive tool for detection of bone and bone marrow metastasis.

Bone Marrow↗
PubMed1989

[The radiotherapeutic effect on bone metastases in relation to the frequency of metastases, sites of metastases and histology of the primary tumor].

In a retrospective study on 239 patients irradiated for osseous metastases in 578 different skeletal areas, the therapy effect was evaluated in dependence on the frequency of metastases, the sites of metastases, and the histology of the primary tumors. Furthermore the duration of improved findings was verified. The primary tumor was a mammary carcinoma in 186 patients, a bronchial carcinoma in 21 patients, a renal cell carcinoma in 20 patients, and a prostatic carcinoma in 12 patients. In patients with bronchial carcinoma the relief of pain by radiotherapy was not as good as in other tumor types. However, a significant correlation between subjective therapy effect and histology of the primary tumor was not demonstrated. Remineralization was found in 55% of all irradiated skeletal areas and an unchanged X-ray picture of bone metastases in 35%. A dependence of the objective therapy effect from the histology of the primary tumor was not statistically demonstrated (recalcification rate in mammary carcinoma 62%, in prostatic carcinoma 57%, in bronchial carcinoma 28%, and in renal cell carcinoma 11%). Significant differences of remineralization were found in solitary bone metastases (68%) and in multiple skeletal metastases (56%). A significant correlation between sites of metastases and objective irradiation effect was proved by the fact that osteolytic destructions of spine and pelvis showed a better remineralization than lesions situated in the extremities. The average duration of the objective, radiologically verified amelioration of findings was 16 months in patients with mammary carcinomas and 12 months in patients with prostatic carcinomas, bronchial carcinomas, and renal cell carcinomas.

Adult↗
PubMed1979

[Reduced uptake of 99mTc methylenediphosphonate by bone irradiated for neoplastic lesions].

Some cases of more or less evident reduction in 99mTc MDP take-up by bone subjected to cobalt therapy for skeletal and extraskeletal neoplastic diseases are presented. On the basis of acquired experience, stress is laid on the diagnostic and prognostic importance of correct assessment of bone scintigraphic changes after irradiation treatment. Some pathogenetic theories in this phenomenon are discussed.

Aged↗
PubMed1988

[Backache in children and adolescents].

Although backpain during childhood is uncommon serious diseases feature high on the list of differential diseases. Often the correct diagnosis in the young is made late or missed in the first instance. During the adolescent period the incidence of backpain rises to include mechanical or osteochondritic conditions and the early problems of a degenerative back such as disc protrusion. It has to be stressed that infection and neoplasma although rare can be a cause of backache at any age. If after thorough investigation no abnormalities has been detected, one should keep in mind that serious mental problems can be the cause of backpain.

Adolescent↗
PubMed1985

24-Hour/4-hour ratio of technetium-99m methylene diphosphonate uptake in patients with bone metastases and degenerative bone changes.

The uptake of [99mTc]MDP in metastatic lesions of the vertebrae was compared with the uptake in normal vertebrae. The ratio of these lesion-to-nonlesion uptakes at 4 and 24 hr was called the 24-hr/4-hr ratio (TF ratio). A similar ratio was measured for lesions in the spine due to degenerative bone disease. Lesions in vertebrae with degenerative bone disease and treated metastases had a significantly lower TF ratio than lesions in vertebrae with untreated bone metastases. These findings suggest that the TF ratio might be a reliable method for separating metastatic lesions from degenerative changes in the vertebral column, and could be especially useful in cancer patients whose bone scans demonstrate a single lesion in the spine.

Adult↗