PMC9791279_01
CT/MRI Liver showing solitary segment VIII metastasis (CT (A) axial, (B) coronal, (C) sagittal views, and (D) liver MRI).
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Abdominal CT and MRI (Figure 1) confirmed a solitary lesion of 2.1 cm in segment VIII.
Liver biopsy showed an adenocarcinoma that was morphologically in keeping with a metastatic deposit of a colorectal adenocarcinoma (Hematoxylin and eosin x 400).
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The morphological features were in keeping with a metastatic deposit of a colorectal adenocarcinoma (Figure 2).
(A) Intraoperative ultrasound (IOUS) depicting segment VIII lesion and (B) intraoperative view of segment VIII non anatomical resection.
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He underwent a non-anatomical resection of the lesion (Figure 3) and had an uneventful recovery.
(A) The macroscopic examination of the liver showed a 15 mm nodule (blue arrow), (B) microscopic examination showed large confluent areas of eosinophilic cytoplasmic remnants surrounded by fibrosis (Hematoxylin and eosin x 40), (C) the areas of necrosis were surrounded by a chronic inflammatory cell infiltrate comprising lymphocytes and histiocytes (Hematoxylin and eosin x 100), and (D) the necrotic areas showed ghost outlines of the tumor cells. Nuclear debris was not prominent.
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Histopathology showed complete infarct like tumor necrosis (ILN) with microscopically negative resection margins (Figure 4).