Esophageal involvement of mantle cell lymphoma presenting with multiple lymphomatous polyposis: A single-center study

Table 1 Endoscopic findings of the gastrointestinal lesions

Case	Esophagus	Stomach	Duodenum	Terminal ileum-colon
1	MLP	Non-MLP (fold thickening + protruded)	MLP	MLP
2	MLP	MLP	MLP	MLP
3	MLP	Non-MLP (superficial)	MLP	Non-MLP (protruded)
4	MLP	Non-MLP (fold thickening + protruded)	MLP	MLP
5	MLP	MLP	(-)	Non-MLP (protruded)
6	MLP	(-)	MLP	MLP

Multiple lymphomatous polyposis was observed in all 6 patients with esophageal lesions, in 2 of the 5 patients with gastric lesions, in all 5 patients with duodenal lesions, and in 4 of the 6 patients with colonic lesions. MLP: Multiple lymphomatous polyposis.