Table 3.
Active monitoring protocols and terminology used to define growth during follow-up
| Study | Protocol | Growth definition | |
|---|---|---|---|
| Timing of scan following diagnosis | Measurement | Definition | |
| Olivero et al. (1995) [13] | 3 months → 9 months → 1–2 yearly | NR | NR |
| Go et al. (1998) [14] | NR | Diameter | ≥ 0.5 cm |
| Niiro et al. (2000) [16] | NR | Diameter | ≥ 0.5 cm |
| Yoneoka et al. (2000) [17] | NR | Volume | > 1 cm3/year |
| Nakamura et al. (2003) [18] | 6 months → 1 yearly | NR | NR |
| Sonoda et al. (2004) [19] | 3 months → 6 monthly | NR | NR |
| Hashiba et al. (2009) [22] | NR | Volume | > 15% |
| Jo et al. (2010) [23] | 6 months → 1–2 yearly | Volume | > 25% |
| Jadid et al. (2014) [26] | 1 yearly for a minimum of 10 years | Diameter | > 0.2 cm |
| Liu et al. (2015) [27] | 3–12 monthly | NR | NR |
NR not reported