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[Miliary tuberculosis - report of a case]
V M dos Santos1, M A dos Reis, M A Resende
1Departamento de Clínica Médica, Faculdade de Medicina do Triângulo Mineiro, Uberaba, MG.
Revista Da Sociedade Brasileira De Medicina Tropical
|June 5, 1998
Summary
This case report details a fatal generalized miliary tuberculosis infection in an elderly male. Autopsy revealed progressive hematogenous seeding, highlighting the need for post-mortem examinations in diagnosing cryptic tuberculosis.
Area of Science:
- Infectious Diseases
- Pathology
- Geriatrics
Background:
- Generalized miliary tuberculosis is a disseminated form of Mycobacterium tuberculosis infection.
- While often associated with immunosuppression, it can occur in immunocompetent individuals.
- Hematogenous seeding is a primary mechanism for dissemination in miliary tuberculosis.
Observation:
- An 80-year-old immunocompetent male presented with generalized miliary tuberculous infection.
- The patient's death was attributed to progressive hematogenous spread of the infection.
- Clinical presentation mimicked cases seen in the pre-antibiotic era.
Findings:
- The autopsy revealed extensive miliary tuberculous lesions throughout the body.
- Evidence of progressive hematogenous seeding was the direct cause of death.
- The infection was characterized as cryptic and chronic.
Implications:
- Autopsy studies are crucial for diagnosing silent or atypical infections like miliary tuberculosis.
- This case underscores the potential for severe tuberculosis in the elderly, even without acquired immunodeficiency syndrome.
- Understanding mechanisms of dissemination is vital for managing complex tuberculous infections.