PMC5602954_01
CT scan of chest. Red arrow indicates lung metastasis. PET scan and CT chest, abdomen and pelvis were only positive for the isolated lung metastasis
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Fig1
CT chest, abdomen and pelvis were notable for a pulmonary lesion measuring 4.7 cm x 3.2 cm (Fig. 1).
a (left) Hematoxylin and eosin stained cell block from nodule. This specimen reveals groups of malignant tumor cells with vacuolated cytoplasm consistent with prostate adenocarcinoma. b (right) Immunohistochemical stains were strongly positive for prostate-specific antigen (above) as well as NKX3.1, androgen receptor, and prostatic-specific acid phosphatase confirming prostatic origin
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Fig2
Biopsy of this pulmonary lesion was performed and pathologic and immune-histochemical examination confirmed the diagnosis of prostate adenocarcinoma (Fig. 2a, b).