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Medicina (Buenos Aires)

versión impresa ISSN 0025-7680

Resumen

GONZALEZ, Alejandra; FERNANDEZ CASARES, Marcelo; BALDINI, Matías  y  MONTEVERDE, Alfredo. Lower lung field tuberculosis. Medicina (B. Aires) [online]. 2010, vol.70, n.5, pp. 434-436. ISSN 0025-7680.

Tuberculosis (TB) that affects lower lung fields (LLFTB) is infrequent in the adult population and is generally associated with immunodeficiency. The objective of our study was to determine the incidence of LLFTB in our patients population and compare the characteristics of these patients with those who presented TB of typical pulmonary localization. We studied 42 patients with LLFTB retrospectively between 2004 and 2008 and compared them to 84 patients with TB of typical localization (control group). HIV-positive patients were excluded. LLFTB represented 6% of the pulmonary TB cases. No significant differences were found with respect to age, sex, the presence of cavities in chest x-rays, days of evolution, and albumin levels. LLFTB had a significantly greater proportion of comorbilities (p < 0.001), the presence of condensation (p < 0.001), and unilateral involvement (p < 0.001), with a higher number of hospital admissions (p = 0.02). The observation that only 16 of the 42 patients with LLFTB (38%) had a notable comorbility is important. Thus, LLFTB can be present without associated comorbilities and must be suspected in pneumonias that have a torpid evolution regardless of pulmonary localization.

Palabras llave : Lower lung field tuberculosis.

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