PMC8718394_01
Computed tomography (CT) scan of the chest, lung window, axial view (A) and coronal view (B), showing a mass in the right superior lobe (black arrow) and bilateral soft tissue nodules in the lungs with diffuse calcifications adjacent to the bronchioles and small- and medium-sized vessels.
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Contrast enhanced CT scan of the abdomen, portal phase, axial view (A) and coronal view (B), showing scattered calcified nodules and mass in the liver with the biggest lesion located in the right lobe (black arrow).
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The largest lesion measuring 10.2 cm x 5.9 cm was located in the right lobe of the liver and ( Figure 2 ).
99mTc bone scintigraphy showing intensity at the right second rib, 11th thoracic vertebra, and first lumbar spine (black arrows) accumulation.
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Bone scintigraphy with 99mTc-methylene diphosphonate showed multiple hypermetabolic activities in the involved bones ( Figure 3 ).
Hematoxylin and eosin staining of the lung biopsy sample showing scattered spindle-shaped tumor cells and epithelioid tumor cells in a myxohyaline stroma. (A; hematoxylin and eosin, x40); higher magnification of the expanded sinusoids lined by large epithelioid tumor cells (B; hematoxylin and eosin, x100).
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Histopathological analysis revealed epithelioid cells arranged in a glandular pattern with clear cytoplasm ( Figure 4 ).