PMC9911166_01
CT scans showing the presence and anatomical relation of the heteroplastic mass. (A) sagittal plane (B) coronal plane (C) transverse plane.
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Morphological features of the tumor. (A) H$E, 40x: A thick fibrous capsule surrounds the large tumor; (B) H$E, 200X; Richly cellular sheets. Cells have scant cytoplasm and vesicular irregular nuclei; frequent mitoses are seen; no lymphocytes are found; (C) H$E, 200X: Necrotic foci are scattered; (D) H$E, 400X: The cells, rather small, form sheets with a sort of palisading around vessels.
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Immunohistochemical features of the tumor. (A) ker AE1/3 staining: The tumor cells are negative; (B) CD117: A slight unspecific staining is observed; (C) ker MNF116 is also neagtive in tumor cells; (D) CD99 membrane staining is clearly seen in all cells; (E) The Ki-67 staining shows that only the peripheral part of the tumor is marked, probably because of preanalytical damage of tumor tissue; (F) Synaptophysin marking is negative in tumor cells.
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CT scans showing the presence and anatomical relation of the heteroplastic mass. CT scan detecting locoregional recurrence. (A) Necrotic pathological swelling in para-aortic region and breast-like pathological tissue in the left lung apex, axial and sagittal plane. (B) Solid nodulation along the pericardial sheet with reactive fluid flap and pathological mass along the left costo-vertebral pleura with pleural effusion flap.
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All these findings were consistent with a locoregional disease recurrence ( Figure 4 ).