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At least 1,333 records · Page 74Linked to original sources
PubMed2000

Artificial disc technology.

After approximately 40 years of research and development, artificial disc technology may finally be coming of age. A number of devices are either at the late stage of preclinical study or in the early stage of clinical trial, and the results are promising so far. Due to the multicomponent structure of the disc, surgeons performing disc arthroplasty have the option of replacing either the entire disc or a portion of it. The decision will be largely dependent on the pathological entity addressed, the condition of the patient's spinal disc and surrounding tissues, and the cost and potential risk of the procedure. Driven by demand, almost all the emphasis in artificial disc development has been placed on the lumbar disc, with a smaller effort directed toward the cervical disc. No attempt has been made to develop an artificial thoracic disc. However, by examining the differences and similarities in structure, anatomy, function, mechanism of degeneration, pathology, surgical technique, and complications between the lumbar and thoracic disc, the authors believe it is feasible to apply artificial disc technology in the treatment of thoracic disc disease. Nonetheless, due to the rarity of thoracic disc disease and the more stable structure of this spinal component, the demand for artificial disc or artificial nucleus technology for the thoracic disc probably will be smaller than that for lumbar disc technology.

Biocompatible Materials↗
PubMed1976

Asphyxiating thoracic dystrophy without respiratory disease: report of two cases of the latent form.

Two cases of the latent form of Asphyxiating Thoracic Dystrophy or Asphyxiating Thoracic Dystrophy without respiratory disease or respiratory problems are reported. The skeletal survey was diagnostic in both of them. In the first case it was performed after the pelvic film, ordered because of externally rotated thighs, showed triradiate acetabulum. In the second case the skeletal survey was requested because of undiagnosed mental retardation syndrome.

Bone Diseases, Developmental↗
PubMed1987

Thoracic disk herniation and Scheuermann's disease.

The authors report 6 cases of thoracic disk herniations in patients with Scheuermann's disease. They underline the relationship between the neurological symptomatology and Scheuermann's disease by the herniation and evolution in their treatment by a new surgical approach.

Adult↗
PubMed1998

Herniated thoracic discs mimic cardiac disease: three case reports.

The authors report three patients (two males and one female) with herniated thoracic discs whose symptoms mimicked cardiac disease (severe intense stabbing pain beginning in the back and radiating to the lateral wall of the chest). They were evaluated for cardiac disease and angina, but the workup of the heart was negative. Magnetic resonance imaging and computed tomography myelography revealed the herniated thoracic discs. All patients underwent video-assisted endoscopic thoracic discectomy and recovered completely.

Adult↗
PubMed1998

Castleman disease of the thorax: radiologic features with clinical and histopathologic correlation.

PURPOSE: To correlate the radiologic manifestations of thoracic Castleman disease with the clinical and histopathologic features. MATERIALS AND METHODS: The clinical, surgical, and histopathologic records; chest radiographs; and computed tomographic (CT) and magnetic resonance (MR) images in 30 pathologically proved cases of thoracic Castleman disease were reviewed. RESULTS: Patients with localized Castleman disease (n = 24) typically had the hyaline-vascular type (n = 23), were asymptomatic (n = 14), and had solitary, well-circumscribed mediastinal masses (n = 24). All lesions at contrast material-enhanced CT (n = 13) enhanced. All lesions at MR imaging (n = 5) were heterogeneous and had increased signal intensity on T1- and T2-weighted images. Three patterns were observed on CT or MR images in 20 patients: a solitary, noninvasive mass (n = 10); a dominant infiltrative mass with associated lymphadenopathy (n = 8); or matted lymphadenopathy without a dominant mass (n = 2). Patients with disseminated Castleman disease (n = 6) typically had the plasma cell type (n = 4), were symptomatic at presentation (n = 5), and had bilateral mediastinal masses on chest radiographs (n = 4). At CT, all lesions manifested with diffuse mediastinal lymphadenopathy. All lesions at contrast-enhanced CT (n = 5) enhanced. CONCLUSION: Localized Castleman disease manifests as either a solitary, well-circumscribed mediastinal mass or an infiltrative mass with associated lymphadenopathy on CT or MR images. Disseminated Castleman disease manifests with diffuse mediastinal lymphadenopathy.

Adolescent↗
PubMed1998

[The extent of bone resection in osteomyelitis of the chest wall].

The experience in treatment of 40 patients with osteomyelitis and chondritis of the bones of thoracic wall is presented. 39 patients (of 40) underwent surgery with due regard to an adequate extent of resection within so-called borders of intact tissues. Critical analysis of literature and authors' own experience made it possible to establish strict borders of resection of damaged bones in this disease of thoracic wall frame and to obtain good results of combined treatment in patients over 50 years. Complete removal of chondral tissues and resection of bones within the area of probably normal anatomic formation of the bone, irrespective of the origin of osteomyelitis and chondritis (hematogenous, exogenous), have promoted recovery of the patients. There were no relapses during 1-7 year period.

Adult↗
PubMed1985

Gallium-67 thoracic scan and pleural disease in asbestos workers.

We have recently reported that 67Ga scanning in asbestos workers can document excessive uptake of the marker among workers without sufficient criteria for asbestosis, but in our initial report we could not exclude definitely that 67Ga uptake could be related to pleural disease. To further test this hypothesis, we analyzed the 67Ga thoracic scan in relation to profusion scores of pleural disease on chest roentgenogram and CT scan of the thorax in 171 asbestos workers. We found no significant correlation between the 67Ga lung uptake and the radiographic scores of pleural disease. We concluded that pleural plaques are not an active site of 67Ga accumulation and do not contribute significantly to the thoracic uptake of the marker.

Adult↗
PubMed2006

Minimally invasive cardiac surgery.

Cardiac surgery has been the last of the surgical specialties to embrace the principles of minimal invasiveness. The complexity and invasiveness of the procedures have presented both a problem and an opportunity to make the procedures less invasive. Beginning with initial attempts at coronary artery bypass surgery through limited access with and without robotics, a number of other cardiac procedures currently are being performed by minimally invasive approaches. These include mitral valve repair, transapical aortic valve implant, limited access, and totally endoscopic pulmonary vein isolation for the treatment of atrial fibrillation and the treatment of aortic aneurysmal disease by thoracic endografting. The experience with less invasive surgery in other specialties has served as cross-fertilization for minimally invasive cardiac surgery.

Aorta, Thoracic↗
PubMed1983

Computed tomography in acute cardiopulmonary disease.

This article reviews how CT will supplement or replace other diagnostic studies and evaluate patients with postoperative problems, posttraumatic problems, acute medical disorders, and iatrogenic complications.

Acute Disease↗