Clinical features, diagnosis, and treatment of colorectal cap polyposis

Table 1 Clinical features of 7 patients with cap polyposis

No.	Age (year)	Gender	Symptoms	Lesion site	H. pylori	Hb (g/L)	Alb (g/L)	Treatment	Follow up
1	56	Female	Hematochezia	Rectum	NA	123	46.4	TAMIS	No recurrence
2	36	Male	Constipation	Rectum	Negative	143	41.9	Observation	No increase in size
3	61	Male	Abdominal distension	Transverse colon	Negative	152	46.1	EMR	No recurrence
4	17	Male	Hematochezia; prolapse; mucous discharge	Rectum	NA	146	31	Oral antibiotics, TAMIS	No recurrence
5	71	Male	Hematochezia	Rectum	Negative	142	21	EMR	No recurrence
6	62	Male	Abdominal distension	Sigmoid colon	Negative	157	41.9	EMR	No recurrence
7	20	Male	Prolapse	Rectum	NA	159	49	Transanal excision	No recurrence

H. pylori: Helicobacter pylori; Hb: Hemoglobin; Alb: Albumin; TAMIS: Transanal minimally invasive surgery; EMR: Endoscopic mucosal resection; NA: Not available.