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PubMed2003

Atypical Pott's disease: localized infection of the thoracic spine due to Mycobacterium avium-intracellulare in a patient without human immunodeficiency virus infection.

Mycobacterium avium-intracellulare (MAI) rarely causes disease of the spine in healthy individuals. We describe an elderly woman who had isolated skeletal involvement with MAI, mimicking Pott's disease. She responded well to surgical excision of the inflamed tissue and antibiotic therapy. Osteomyelitis due to MAI must be differentiated from that due to Mycobacterium tuberculosis because the treatment regimens are different.

Aged↗
PubMed1989

Pott's disease. A resurgent challenge to the thoracic surgeon.

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.

Adolescent↗
PubMed1999

Pott's disease with unstable cervical spine, retropharyngeal cold abscess and progressive airway obstruction.

PURPOSE: Retropharyngeal abscess formation has the potential for acute respiratory compromise from obstruction or secondarily from rupture. The initial attempt to secure the airway is of paramount importance. We describe a patient with an unstable cervical spine secondary to Pott's disease who developed progressively obstructing retropharyngeal cold abscess. CLINICAL FEATURES: A 33-yr-old man with an unstable C-spine in halo traction presented with progressive airway obstruction secondary to retropharyngeal abscess extending from the cervical to the mid-thoracic vertebrae. After review of computerized tomography (CT) and magnetic resonance (MR) studies, preparations were made to secure the airway through fibreoptic assisted intubation. A conservative approach was chosen to secure the airway before surgical airway control as a first line approach. Following local and topical anesthesia, awake endoscopy was performed to assess the extent of obstruction and possibility of intubation without abscess rupture. A narrow tract along the lateral pharynx was identified to continue inferiorly to the epiglottis, from which point the cords were visualized. Extensive edema and abscess formation otherwise distorted the normal anatomy and prevented visualization from other directions. The airway was successfully secured without trauma with a well-lubricated 7.0 mm ID endotracheal tube. CONCLUSION: This report suggests that selected cases of tense obstructing retropharyngeal abscesses can be effectively managed with fibreoptic endoscopy for assessment and subsequent intubation before requiring surgical airway control as a first line strategy.

Adult↗
PubMed1998

Identification of Mycobacterium DNA in an Egyptian Pott's disease of 5,400 years old.

The antiquity of tuberculosis in the Old World is controversial because the morphology of the lesion in skeletal remains is non-specific. We report the recovery of a DNA fragment from a 5,400-year-old Predynastic Egyptian skeleton that exhibits a kyphotic, 'hunchback' spinal deformity consistent with Pott's disease and suggestive of tuberculous vertebral involvement. The recovered DNA fragment was sequenced and is consistent with an original Mycobacterium sequence. We cannot prove that it is M. tuberculosis, M. bovis or an ancient mycobacteria resembling the two current forms because the observed modifications in the sequence could be attributed to the antiquity of Mycobacterium and/or to the effects of Taq polymerase. This provides the most specific evidence for the antiquity of human Mycobacterium disease in the world.

Amino Acid Sequence↗
PubMed1979

Pott's disease in heroin addicts.

Five cases of tuberculous vertebral osteomyelitis occurred in heroin addicts at St Luke's Hospital Center between 1955 and 1975. All patients were men, and four were between 19 and 33 years of age. In contrast with the indolent onset typical to pyogenic or fungal vertebral osteomyelitis in heroin addicts, patients with Pott's disease had an acute toxic reaction, with fever, back pain, weight loss, and night sweats. Neurologic abnormalities, uncommon with pyogenic or fungal vertebral infection, occurred in all patients with tuberculous involvement of the spine. Roentgenograms of the spine were atypical in four patients, including two with an "ivory vertebra." All patients had involvement of extravertebral sites, and one patient had infection with Mycobacterium tuberculosis and M avium.

Acute Disease↗
PubMed2001

Multifocal extensive spinal tuberculosis (Pott's disease) involving cervical, thoracic and lumbar vertebrae.

An unusual case is reported of a 53-year-old woman presenting with spinal tuberculosis involving cervical, thoracic and lumbar vertebrae. The patient originally presented with progressive quadriparesis, fever, night sweats and weight loss. Imaging studies demonstrated vertebral body destruction with and without paraspinal and/or intraspinal abscess in cervical, thoracic and lumbar regions. The laboratory studies confirmed the diagnosis of Pott's disease and the patient was placed on anti-tuberculosis chemotherapy. The anterior approach was used for removal of the infected necrotic material, bone grafting and instrumentation, in both cervical and thoracic vertebrae. The postoperative course was uneventful and the patient made an excellent neurological recovery. The present report is of the first published case of an extensive spinal tuberculosis involving cervical, thoracic and lumbar spine.

Antitubercular Agents↗
PubMedDate not supplied

Fine needle aspiration cytology of tuberculosis of the lumbar vertebrae (Pott's disease).

The cytomorphologic features of tuberculosis of the lumbar vertebra having a granulomatous pattern diagnosed by fine needle aspiration (FNA) biopsy are reported in a 72-year-old woman with a prior history of malignant lymphoma treated by chemotherapy. Cytologic examination revealed microtissue fragments of cohesive cells, including epithelioid histiocytes and scattered, multinucleated Langhans-type giant cells. This is believed to be the first reported case of vertebral tuberculosis (Pott's disease) diagnosed by FNA cytology and confirmed by culture of the aspirate material. This case illustrates the value of FNA cytology in the diagnosis of nonneoplastic skeletal lesions and confirms the value of FNA biopsy the early detection of infectious processes in patients with malignancy.

Aged↗
PubMed1991

Pott's disease of the cervical spine.

Tuberculosis of the cervical spine is relatively rare, and the diagnosis is often delayed. Roentgenograms and computerized tomography of the cervical spine can provide important diagnostic clues. Chemotherapy is the mainstay of treatment, but when neurologic deficits are present the best treatment is debridement and anterior spinal fusion combined with antituberculous chemotherapy. The incidence of tuberculosis is increasing in parallel with the growing numbers of immunocompromised patients. Awareness of the manifestations of cervical Pott's disease may lead to earlier diagnosis and treatment of affected patients.

Antitubercular Agents↗
PubMed1996

A case of Pott's disease of the spine eroding into the suprarenal aorta.

Spinal tuberculous osteomyelitis eroding into the aorta is an extremely rare entity. The case of an 80-year-old man with a large proximal anastomotic pseudoaneurysm above an aortobiiliac prosthesis involving the suprarenal aorta is reported. A periaortic and perigraft fluid collection was found to be contiguous with an osteolytic process of the anterior bodies of the T12 and L1 vertebrae. Staged extraanatomic axillobifemoral bypass, graft excision, and viscerorenal revascularization with superficial femoral-popliteal veins were performed. The pathologic diagnosis of spinal tuberculous osteomyelitis was made. The rare entity of Pott's disease of the spine involving the suprarenal aorta and an aortic prosthesis presented significant challenges in resection and revascularization. The use of the deep veins of the legs as large-diameter autogenous conduit facilitated visceral and renal arterial bypass in an infected field.

Aged↗
PubMed2000

The results of anterior radical debridement and anterior instrumentation in Pott's disease and comparison with other surgical techniques.

Classic procedure in the treatment of vertebral tuberculosis is drainage of the abscess, curettage of the devitalized vertebra and application of antituberculous chemotherapy regimen. Posterior instrumentation results are encouraging in the prevention or treatment of late kyphosis; however, a second stage operation is needed. Recently, posterolateral or transpedicular drainage without anterior drainage or posterior instrumentation following anterior drainage in the same session is preferred to avoid kyphotic deformity. Seventy-six patients with spinal tuberculosis were operated in the 1st Department of Orthopaedics and Traumatology, Ankara Social Security Hospital, between January 1987 and January 1997. There were four children in our series. Average follow-up period was 36.1 +/- 14.5 months and the average age at the time of operation was 40.8 +/- 15.2 years. This study reports the surgical results of 45 patients with Pott's disease who had anterior radical debridement with anterior fusion and anterior instrumentation [14 patients with Z-plate and 31 patients with Cotrel-Dubousset-Hopf (CDH system)]. The results are compared with those of 8 patients who had posterolateral drainage and posterior fusion, 12 patients who had only anterior drainage and anterior strut grafting and, 11 patients who had posterior instrumentation following anterior radical debridement in the same session in terms of fusion rates, correction of kyphotic deformity, recurrence rate and clinical results. All patients had one year consecutive triple drug therapy. Preoperative 23.2 degrees +/- 12.5 degrees local kyphosis angle was lowered to 6.1 degrees +/- 6.9 degrees with a correction rate of 77.4 +/- 22.3%. When the other three groups which had been instrumented were compared, the correction rates in the local kyphosis angle values were not statistically different and the variation in loss of correction at the last follow-up was also statistically insignificant. The sagittal contour of the involved vertebra's region did not change in the uninstrumented group, while it did so in instrumented groups which had normal range values postoperatively. Overall, 27 patients had neurologic deficits preoperatively. Twenty of these (74.1%) had complete, and 5 (18.5%) had partial recovery with a combined 92.6% neurologic improvement. All the patients had a solid fusion mass at the last controls. Reactivation was not seen. Additionally, contrary to the common belief, anterior instrumentation which anterior autologous strut grafting following anterior radical debridement can be a good treatment option with low complication rate, high correction rate in acute local kyphosis, and high fusion rate.

Adolescent↗