Hepatoid adenocarcinoma of the lung: A case report

Figure 1 Morphological examination of tumor cells stained with hematoxylin-eosin. A: The cancer cells were arranged in a nest (hematoxylin-eosin, HE 200 ×); B Cancer cells are arranged in glandular tubes (HE 200 ×).

Figure 2 Immunohistochemical examination of tumor cells stained with hematoxylin-eosin. A: Immunohistochemistry showed CK7 positive (hematoxylin-eosin, HE 100 ×); B: Immunohistochemistry showed CK18 positive (HE 100 ×); C: Immunohistochemistry showed that heppar-1 was positive (HE 100 ×); D: Immunohistochemistry showed carcinoembryonic antigen positive (HE 100 ×); E: Immunohistochemistry showed Ki67 (60% +) (HE 100 ×); F: Immunohistochemistry showed that alpha fetoprotein was negative (HE 100 ×).

Figure 3 Positron emission tomography/computed tomography. A-F: Positron emission tomography/computed tomography showed huge hypermetabolic tumors in the upper and middle lobes of the right lung, and extensive bone metastasis in the occipital, rib, spine and pelvis.