Table 1.

Profile of 14 patients and US findings

Patient No.	Sex	Age (yr)	Risk factor of bezoar	History of operation	Confirm method	Final diagnosis	Location and US findings
							Location (on CT)	Size (Ф, cm)	Configuration	Posterior imaging artifact	Twinkling artifact
1	M	44	No	No	Surgical	Bezoar	Distal ileum	3.7	Arc-like surfaced mass	Acoustic shadow	Unchecked
2	F	98	Old age	No	Surgical	Bezoar	Jejunum	2.9	Arc-like surfaced mass	Acoustic shadow	Yes
3	M	85	Old age	Yes	Surgical	Bezoar	Distal jejunum	4.0	Arc-like surfaced mass	Acoustic shadow	Yes
4	M	66	DM, old age	No	Surgical	Bezoar	Terminal ileum	2.9	Arc-like surfaced mass	Acoustic shadow	Unchecked
5	F	81	Gastric surgery, old age	Yes	Surgical	Bezoar	Distal jejunum	5.0	Arc-like surfaced mass	Acoustic shadow	Unchecked
6	M	70	DM, old age	No	Clinical	Bezoar	Terminal ileum	3.0	Arc-like surfaced mass	Acoustic shadow	Unchecked
7	M	50	No	No	Clinical	Bezoar	Distal ileum	3.2	Arc-like surfaced mass	Acoustic shadow	Unchecked
8	F	37	No	No	Clinical	Ileus	Distal ileum	Unmeasurable	Mottled substance	No	Unchecked
9	M	54	No	Yes	Surgical	Adhesive ileus	Jejunum	Unmeasurable	Mottled substance	No	Unchecked
10	F	50	DM	No	Clinical	Ileus	Ileum	Unmeasurable	Mottled substance	No	Unchecked
11	F	49	No	No	Clinical	Ileus	Distal ileum	Unmeasurable	Mottled substance	Acoustic enhancement	Unchecked
12	F	54	DM	Yes	Clinical	Ileus	Ileum	Unmeasurable	Mottled substance	Acoustic enhancement	No
13	F	49	No	No	Clinical	Ileus	Ileum	Unmeasurable	Mottled substance	No	Unchecked
14	F	48	No	No	Clinical	Ileus	Ileum	Unmeasurable	Mottled substance	Acoustic enhancement	No

US, ultrasonography; CT, computed tomography; DM, diabetes mellitus.