PMC3420587_01
PA chest X-ray showing ill-defined opacity right lower zone (arrow).
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fig1
Chest X-ray revealed a long standing small peripheral nodule in the right lower lobe which had hardly changed over six years (Figure 1).
CT chest showing right lower lobe pulmonary nodule (arrow).
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fig2
A CT-guided biopsy of her right lung nodule (Figure 2) was eventually performed when her respiratory function had recovered sufficiently and staining strongly for ACTH, CD56, chromogranin and synaptophysin (Figures 3(a) and 3(b)).
Histology of pulmonary specimen. H&E staining. Original magnification x200. Histology demonstrates typical cuboidal cells with granules. Specific immunostaining (not shown) was strongly positive for ACTH, CD56, chromogranin and synaptophysin.
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fig3
A CT-guided biopsy of her right lung nodule (Figure 2) was eventually performed when her respiratory function had recovered sufficiently and staining strongly for ACTH, CD56, chromogranin and synaptophysin (Figures 3(a) and 3(b)).