PMC6411511_01
CT Abdomen demonstrating omental caking with an infiltrative mass into the right anterior abdominal wall.
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Computed tomography (CT) of the abdomen demonstrated extensive peritoneal omental caking with infiltration to the anterior abdominal wall (Fig. 1).
a & b: Peritoneal biopsy showing malignant mesothelioma (2a) and Trans-bronchial lung biopsy showing pulmonary malignant mesothelioma (2b).
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The morphology and immunohistochemical profile supported a diagnosis of epithelioid malignant mesothelioma. (figure -2a). They were negative for Napsin A, TTF1 and P40 confirming pulmonary metastatic malignant epithelioid mesothelioma (Fig. 2b). The TBLB biopsy samples were small and did not contain muscle/fat tissue, hence no invasion into muscle/fat were demonstrated.
CT chest demonstrating bilateral diffuse interstitial opacity and interlobular septal thickening along with the right side pleural effusion.
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A CT scan of chest revealed moderate right sided pleural effusion, bilateral hilar and mediastinal lymphadenopathy, extensive bilateral pulmonary parenchymal & interstitial opacity along with interlobular septal thickening, suggestive of lymphangitic spread. (Fig. 3).