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Pott's disease. A resurgent challenge to the thoracic surgeon
B Omari1, J M Robertson, R J Nelson
1Division of Cardiothoracic Surgery, Los Angeles County Harbor/UCLA Medical Center, Torrance 90509.
Abstract:
Nineteen patients were treated at the Los Angeles County Harbor/UCLA Medical Center between 1971 and 1986 for tuberculosis of the spine. Fourteen were immigrants, a high-risk group. A high index of suspicion is required for Pott's disease, which occurs in fewer than 1 percent of patients with tuberculosis, often presents with nonspecific symptoms, and may result in permanent deformity or neurologic impairment. CT scan, the most useful diagnostic test, showed abnormal results in 11 of 11 patients. MRI, a newer modality, may provide even more information. Eight patients required operation in addition to antimicrobial therapy. Four had lesions between T3 and T10, where the spinal canal is narrow, of whom three (75 percent had neurologic involvement. All four underwent anterior approach (thoracotomy) for decompression, debridement, and spinal fusion. Fifteen had lesions between T11 and S2. Three (20 percent) had neurologic involvement but responded to medical treatment alone. Four underwent drainage of abscess or spinal fusion for deformity. Combined surgical and medical treatment gave excellent results in this series.
Insights
Pott's disease, or spinal tuberculosis, requires high suspicion. Early diagnosis via CT scans and appropriate treatment, including surgery for severe cases, leads to excellent outcomes for patients.
Area of Science:
- Orthopedics
- Infectious Diseases
- Radiology
Background:
- Pott's disease (tuberculosis of the spine) is rare, occurring in <1% of TB patients.
- It often presents with nonspecific symptoms, risking permanent deformity or neurologic impairment.
- Immigrants represent a high-risk demographic for spinal tuberculosis.
Purpose of the Study:
- To review treatment outcomes for spinal tuberculosis at a single medical center.
- To highlight diagnostic challenges and effective management strategies for Pott's disease.
Main Methods:
- Retrospective analysis of 19 patients treated for spinal tuberculosis (1971-1986).
- Evaluation of diagnostic imaging, including CT scans and MRI.
- Assessment of treatment approaches: antimicrobial therapy, surgical intervention, or combined therapy.
Main Results:
- CT scans were highly sensitive, showing abnormalities in all 11 patients evaluated.
- Neurologic involvement was more common in thoracic spine lesions (T3-T10) (75%) requiring surgery.
- Lesions below T10 had lower rates of neurologic involvement (20%), often responding to medical treatment alone.
- Combined surgical and medical treatment yielded excellent results.
Conclusions:
- Spinal tuberculosis necessitates a high index of suspicion for timely diagnosis and intervention.
- CT imaging is crucial for diagnosing Pott's disease.
- Surgical decompression and debridement, combined with antimicrobial therapy, are effective for severe cases, particularly with neurologic compromise.