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Fig. 4 | Surgical Case Reports

Fig. 4

From: Adenocarcinoma of the duodenum arising from Brunner’s gland resected by partial duodenectomy: a case report

Fig. 4

a The resected specimen shows submucosal tumor. A lesion with a high degree of nuclear atypia was found in the center of the tumor (red line). b Atypical cells with dense chromatin forming irregular glandular structure were found in the superficial layer. c, d Immunohistochemical staining revealed that the site of atypical cell was positive for MUC-6 (c) but negative for MUC-5 AC (d)

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