Table 1 Osseous metaplasia in gastrointestinal tract lesions

Esophagus

Barrett’s esophagus

[1, 4]

Stomach

Hyperplastic polyp, carcinoid tumor, adenocarcinoma

[2–5]

Small intestine

Peutz-Jeghers syndrome, adenocarcinoma (peri-ampullary region)

[3, 4, 6, 10]

Cecal appendix

Mucocele, mucinous cystadenocarcinoma, adenocarcinoma

[3–5]

Ascending colon

Metastatic signet-ring cell, adenocarcinoma

[4, 5, 7]

Transverse colon

Hyperplastic polyp, tubular adenoma, adenocarcinoma

[3, 4, 8, 10–12]

Descending colon

Tubular adenoma, tubulovillous adenoma

[3, 4, 8, 10, 13]

Unspecified colon

Adenocarcinoma

[3, 4, 7, 9, 11, 14]

Rectum

Proctocolitis, solitary rectal ulcer syndrome, adenoacanthoma, juvenile polyp, traditional serrated adenoma*, tubular adenoma, tubulovillous adenoma, adenocarcinoma with squamous metaplasia, adenocarcinoma arising in a traditional serrated adenoma

[1–5, 8, 9, 11, 12, 14–16]