. 2019 Feb 27;22(3):395–400. doi: 10.1007/s40477-019-00365-6

Table 3.

Incidental findings during scrotal ultrasound (US) in boys < 6 months old

Finding	N (%)^a	First noted on US at weeks of life: mode^b (range), weeks
Epididymal cyst	34 (16.2%)	4 (0.4–24)
Microlithiasis	6 (3.0%)	24 (0.4–24)
Scrotal pearl or calcification	5 (2.5%)	4 (0.4–4)
Inguinal hernia	3 (1.5%)	0.4 (no range)
Scrotal wall edema	1 (0.5%)	0.4 (no range)

^aNumber (N) is the number of infants with the given feature mentioned at any of the study visits. % is given with reference to the 204 boys who completed the first study visit at 72 h of life (0.4 weeks)

^bMode represents the central tendency among visits at 0.4 weeks (72 h), 4 weeks, 8 weeks, 16 weeks, and 24 weeks