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Disseminated tuberculosis. A study of 62 cases
South African Medical Journal = Suid-Afrikaanse Tydskrif Vir Geneeskunde
|November 22, 1980
Summary
Disseminated tuberculosis is often diagnosed late, despite common symptoms like cough and fever. Early consideration is crucial for managing this severe wasting illness, especially when chest X-rays are normal.
Area of Science:
- Medicine
- Infectious Diseases
- Pulmonology
Background:
- Disseminated tuberculosis (TB) presents a diagnostic challenge, often with non-specific symptoms.
- Early recognition is critical for improving patient outcomes in disseminated TB.
Purpose of the Study:
- To review the clinical presentation, diagnostic methods, and outcomes of disseminated tuberculosis.
- To highlight the importance of early consideration in differential diagnoses.
Main Methods:
- Retrospective review of 62 disseminated tuberculosis cases over 6 years.
- Analysis of presenting symptoms, physical signs, laboratory findings, and diagnostic sources.
- Evaluation of mortality and associated factors.
Main Results:
- Common symptoms included cough, weight loss, fever, and malaise; headache indicated meningeal involvement.
- Physical signs like pyrexia, hepatomegaly, and chest sounds were frequent.
- Hyponatremia, hypoalbuminemia, and abnormal liver function were noted. Diagnostic yields were highest from sputum, bronchial brushings, and biopsies.
- Mortality was high (64%), with 31 deaths directly due to TB. Female and Black patients had higher mortality rates.
Conclusions:
- Disseminated tuberculosis requires early consideration in pyrexial wasting illnesses with chest symptoms, even with normal chest radiographs.
- Delayed diagnosis contributes to poor outcomes and high mortality.
- Multifaceted diagnostic approaches are essential for timely identification.