J Korean Radiol Soc.
1993 Apr;29(2):211-216.
Small atypically redistributed pleural effusion in upper lobe collapse: An auxiliary differential feature of bronchogenic carcinoma and pulmonary tuberculosis
Abstract
- We reviewed the computed tomography (CT) of 32 patients with upper lobe collapse to assess the significance of small atypically redistributed pleural effusion (ARPE) in distinguishing the bronchogenic carcinoma (BC) form tuberculosis (TB). Upper lobe collapse was caused by BC in 21 and by TB in 11 of the 32 patients. Small ARPE was Present in 14 of 21 patients with BC and two of the 11 patients with TB, Among 16 patients with small ARPE, CT showd mediastinal invasion in 11 (69%) patients and mediastinal lymphadenopathyn 6 (38%). Our results suggest that small ARPE associated with upper lobe collapse can be used a an auxiliary sign in the differential diagnosis between BC and TB.
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