Table 1.

The clinical data of patients.

No.	Age (months)	Gender	Indication for imaging	Diagnosis	Normalisation of ultrasound findings (days)	Performance of abdominal radiograph/signs of HPVG	Surgical treatment
1	1	M	Low body mass, diarrhoea	Acute gastroenteritis because of rotavirus and adenovirus infection	3	No	No
2	1	M	Lower gastrointestinal tract haemorrhage	Anaemia, food allergy	47	No	No
3	2	M	History of abdominal surgery 2 days after birth because of ileus	Hepatic injury because of a suspected liver metabolic disease	1	Yes/no	No
4	4	F	Bruising of the lower half of the body after surgery for congenital diaphragmatic hernia	Bowel stranglulation	4	Yes/signs of subileus	Yes
5	4	M	Abdominal pain, lower gastrointestinal tract haemorrhage	Food allergy	1	No	No
6	4	M	Condition after gastroschisis. 2 weeks after reconstruction of continuity of bowel (after jejunostomy)	Routine imaging	Partial resolution of symptoms, no follow-up	No	No
7	4	M	Haematemesis, lower gastrointestinal tract haemorrhage	Food allergy	1	Yes/no	No
8	4	M	Routine imaging before surgical closing a ventricular septum defect	Ventricular septum defect	No follow-up	No	No
9	5	F	Follow-up after necrotizing enterocolitis and resection of the ileum in the third month of life	Enteritis	1	No	No
10	8	M	Fever, diarrhoea	Enteritis	2	No	No
11	23	M	Abdominal pain in acute myeloid leukaemia	Acute myeloid leukaemia, enteritis	2	Yes/signs of ileus	No
12	24	M	Diarrhoea and vomiting in acute myeloid leukaemia	Jejunitis	3	Yes/bowel wall pneumatosis	No