PMC5577239_01
(A) Colon with friable granular mucosa, linear erosions, and confluent loss of vascular markings and haustral folds. (B) A 3-cm ulcerated mass identified in the ascending colon.
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F1
The ascending colon harbored a 3-cm ulcerated mass (Figure 1).
(A) Colon with mildly active, chronic, non-specific colitis characterized by lymphoplasmacytosis and eosinophilia within the lamina propria, as well as crypt distortion (200x magnification). (B) Colon biopsy showing invasive adenocarcinoma characterized by irregular glands lined with dysplastic epithelium in a desmoplastic stroma (200x magnification).
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F2
Biopsies of the colon mass revealed invasive low-grade adenocarcinoma with no evidence of surrounding mucosal dysplasia (Figure 2).
Duodenal biopsy showing Strongyloides stercoralis rhabditiform larvae (arrow) (200x magnification).
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F3
Duodenal biopsy revealed organisms morphologically compatible with S. stercoralis (Figure 3).