[Magnetic resonance imaging or diskography in the diagnosis of disk degeneration?].
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A 4-month-old male Quarter Horse was referred for evaluation of urinary incontinence. Physical examination revealed clinical signs consistent with cauda equina syndrome. Radiography revealed diskospondylitis of S2 through S4. Infected bone was surgically curretted, and drainage was established for an associated paravertebral abscess. Rhodococcus equi was isolated from specimens of bone and from fluid samples obtained from the paravertebral abscess. Bethanechol was administered to stimulate urination. Erythromycin and rifampin were administered for 120 days. The foal's neurologic dysfunction resolved completely. Two years after discharge, the horse remained neurologically normal and did not have apparent effects as a result of its previous disorder.
Iliopsoas abscesses originating from bacterial lumbar spondylodiscitis were successfully treated by CT-guided percutaneous abscess drainage, antibiotics, and immobilization in two patients. Vertebral fusion of the affected segments was observed in both patients in the follow-up period (1 and 6 years, respectively). Percutaneous abscess drainage can replace surgery for iliopsoas abscesses following vertebral osteomyelitis.
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Permanent pacemaker electrode infection is rare but can be fatal. The authors report two cases presenting with spondylodiscitis, a previously described mode of presentation of valve endocarditis but not previously reported in this context. In one case, recurrent courses of antibiotics did not prevent repeated episodes of bacteraemia. In the second, the relapse of infection occurred at different sites of the vertebral column until surgical removal of the electrodes: the usual features of this pathology were observed: frequent but not constant infection at the site of the pacemaker implantation, making the diagnosis more difficult; delayed signs of spondylodiscitis after implantation of the pacemaker; recurrence of infection when antibiotic therapy alone was prescribed and, therefore, the need for surgical ablation of all implanted material. The authors underline the diagnostic value of transoesophageal echocardiography.
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In a 72-year-old Dutchman Brucellae suis spondylodiscitis TXII-LI was diagnosed, complicated by a paraspinal abscess, for which surgical drainage was carried out. The patient failed to recover after the combined antibiotic regimen of doxycycline, rifampicin and trimethoprim-sulfamethoxazole. There was good clinical improvement after a course of doxycycline and streptomycin, however. After a symptom-free period of 9 weeks a relapse occurred. The patient refused treatment and died 6 weeks later at home. The infection had probably been contracted after handling wild boar carcasses from eastern Europe.
Postoperative lumbar spondylodiscitis can cause a failed back syndrome. With 0.1 to 3% according to the literature it belongs to the rarer complications following lumbar disc surgery. We present the characteristic clinical picture and typical findings (ESR, plain X-rays, MR) with suspected spondylodiscitis on 19 patients (= 0.2% of 9492 operative interventions for lumbar disc prolapse from 1980 to 1990) and show MR tomography to be the most sensitive investigation. Principles of therapy consist of lumbar immobilisation with a light cast orthesis for an average of 12 weeks and additional antibiotic therapy up to two weeks beyond normalisation of ESR. Finally results of therapy are presented with a satisfying outcome in 84.2% of cases.
The authors review their first experiences in Hungary with the CT guided percutaneous catheter treatment of psoas abscesses. Diagnostic aspiration from abscess was performed in one patient. Percutaneous catheter drainage of psoas abscess were performed in 4 patients. There were 4 patients with unilateral and 1 patient with bilateral psoas abscess. 4 patients had tuberculous spondylodiscitis, 1 patient had staphylococcal vertebral osteomyelitis. One patient following diagnostic aspiration was successfully treated with antituberculoutic drugs. All patient treated with percutaneous catheter drainage received medical antituberculoutic or antibiotic therapy and showed excellent clinical and radiological results. There was no complication and there was no need to open surgical drainage in this series. CT guided aspiration is a valuable tool in the diagnosis of psoas abscesses as well as in the identification of the exact abscess etiology. Percutaneous drainage represents an efficient and attractive alternative to open surgical drainage in the treatment of psoas abscesses.
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Today it is possible to cure septic or non-septic defects of the spine with the help of diverse, specially designed implants for spinal surgery. The replacement of bone defects is realized by autologous bone grafts from the iliac crest, ribs or fibula pieces. Tumorous defects are preferably filled with bone cement and plates. A prerequisite for such operations is exact knowledge and operative experience with suitable approaches to the different levels of the spine.
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The abscess of psoas are more often secondary to a loco-regional cause. The authors report a series of 42 abscess of psoas in 30 patients during 3 years. It concerns 16 men and 14 women witch a mean age of 35 years. The abscess was secondary to a spondylodiscis in 25 patients and primary in 5 patients. The size of the abscess was upper 5 cm with a variable ultrasound structure: liquid in 33 cases, hypoechogenic in 9 cases. All patients underwent a percutaneous treatment guided by ultrasonography. A single or multiple evacuation puncture with 16 Gauge needle were performed for 40 abscess. Complementary percutaneous drainage with 14 french drain was used in 3 cases. In 2 other cases, the percutaneous drainage was used firstly. The bacteriological study of puncture liquid isolated the germ in 8 cases. Evaluation has been assessed in only 29 cases. The recovery was reached in 12 abscess on 15 which were treated by a single puncture. In 10 abscess on 13 treated by multiple puncture; and in 4 abscess an 5 managed by drainage. The results demonstrate the accuracy of single or multiple drainage puncture associated with adapted antibiotherapy in the management of abscess.
In this case report we describe the clinical picture and treatment of a Bernese mountain dog with discospondylitis and a presumably reactive immune-mediated polyarthritis. The clinical signs consisted of apathy, fever, anorexia, and a stiff gait. The diagnosis was based on the typical radiographic signs of discospondylitis and the cytology of the synovial fluid. The dog was treated with a broad-spectrum antibiotic for 6 weeks and thereafter with a synthetic glucocorticoid for the polyarthritis. Five months after cessation of therapy, the dog was free from the initial signs.
12 patients were diagnosed as suffering from spondylodiscitis by means of clinical and laboratory investigations. Magnetic resonance tomography (MRT) and bone scintigraphy (with Tc 99m-diphosphonate) were performed and 6 patients had further MRT follow up investigations. In the initial state of disease the comparison of MRT and bone scan both revealed a sensitivity of 92%. The specificity was 83% for MRT and 50% for bone scintigraphy, respectively. Therefore we conclude MRT is a more specific diagnostic tool in patients with spondylodiscitis. 6 patients were followed up with additional 13 MRT scans. During the first two months of treatment period in most of the patients more distinct pathological findings were seen in MRT in comparison with MRT at the start. No signs of any improvement despite effective treatment were found in the first three months of therapy.
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