Figure 3 | Modern Pathology

Figure 3

From: Smoking-related interstitial fibrosis (SRIF), pathogenesis and treatment of usual interstitial pneumonia (UIP), and transbronchial biopsy in UIP

Figure 3

SRIF involving non-emphysematous parenchyma. (a) Low magnification showing uniform appearing interstitial fibrosis surrounding normal sized airspaces without evidence of emphysema. (b) High magnification illustrating bland appearing collagen deposition within alveolar septa from same area. Lightly pigmented macrophages (RB) are prominent within airspaces.

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