Special stains for fungi and acid-fast organisms were negative. The granuloma is composed of histiocytes with spindled nuclei and a few lymphoid cells. Giant cells are absent.
Histologic Changes
Scattered through the biopsy are non-necrotizing granulomas that appear to be the same age as the surrounding organizing pneumonia and appear to blend with it.
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Special stains for fungi and acid-fast organisms were negative. The granuloma is composed of histiocytes with spindled nuclei and a few lymphoid cells. Giant cells are absent. | ||||||||||
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More consolidated areas are also present. Here, the air spaces are filled with pink, proteinaceous exudate. The organizing, interstitial pneumonia appears as the bluish tissue. | ||||||||||
Clinical
summary
Diagnosis