Clinical features, endoscopic polypectomy and STK11 gene mutation in a nine-month-old Peutz-Jeghers syndrome Chinese infant

Figure 1 Endoscopic images of the five polyps located in different parts of the intestine (A-E).

Figure 2 Hematoxylin-eosin stained image showing the pathological characteristics of the hamartomatous polyps in the infant with Peutz-Jeghers syndrome.

Figure 3 X-ray images of the abdomen. A, B: Images showing the pneumoperitoneum; C, D: Images showing recovery of pneumoperitoneum after intestinal repair.

Figure 4 Changes in the white blood cell and C-reactive protein preoperatively and postoperatively.

Figure 5 Infant had a frameshift mutation in codon 64 (64_65het_delAT) in exon 1. The arrow indicates the mutation site.