PMC2833307_01
Microscopic images of the primary lung cancer and jejunal metastasis. H&E, 250X. (a), lung: a nest of large, polymorphous epithelial cells with strong mitotic activity and central necrosis is observed, consistent with large cell carcinoma (NSCLC). (b), jejunum: groups of large anaplastic cells invading the lamina propria.
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fig1
Histopathological evaluation of the resected lung tissue revealed an undifferentiated large cell carcinoma of 3,3 cm in the lung parenchyma without pleural invasion or regional lymph node metastasis, T2N0M0 (Figure 1(a)). Biopsies of the jejunal mass showed groups of large undifferentiated cells in the lamina propria (Figure 1(b)).
CT of the abdomen showing a solitary circular mass in the small bowel with surrounding fat infiltration.
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fig2
A CT of the abdomen and double-balloon enteroscopy showed a mass in the proximal jejunum (Figure 2).
CT of the abdomen 2 months after palliative radiotherapy showing absence of residual tumor in the jejunum.
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fig3
Follow-up CT of the abdomen after 2 months showed complete absence of residual tumor in the jejunum (Figure 3).