PMC4129850_01
Margins of the perforation showing Langhans' giant cells and a dense mixed inflammatory cell infiltrate within the mucosa and submucosa.
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F1
The histopathological report of the perforation margins that were sent intra-operatively revealed caseating epithelioid cell granulomas with Langhans' giant cells and a dense mixed inflammatory cell infiltrate within the mucosa and submucosa (Figure 1).