Table 1.

Characteristics of the surgically treated pediatric pineal cysts published in PubMed and Scopus between 1947 and 2019

	All N, 109	≤ 10 year old N, 27	> 10 year old N, 82	p value	N
Mean age (years)	14 ± 5.6 (0.25–21)	5.8 ± 3.2 (0.25–10)	16.7 ± 3 (11–21)	.	109
Sex: females	79 (73.8%)	16 (59.3%)	63 (78.8%)	0.074	107
Hydrocephalus	37 (35.6%)	7 (25.9%)	30 (39%)	0.252	104
Tectum compression	41 (39.1%)	7 (25.9%)	34 (43.6%)	0.116	105
PC growth in the FU	12 (11%)	2 (7.4%)	10 (12.2%)	0.726	109
PC with unspecific symptoms	42 (39.3%)	15 (55.6%)	27 (33.8%)	0.067	107
PC diameter in mm.	18.6 ± 7.7 (6–40)	14.9 ± 6.3 (6–28)	19.8 ± 7.8 (9–40)	0.006	84
Surgical approach				0.141	99
SCIT	70 (70.7%)	16 (66.7%)	54 (72%)
OTT	10 (10.1%)	3 (12.5%)	7 (9.3%)
Transventricular approach	2 (2%)	2 (8.3%)	0
Endoscopic procedure	11 (11.1%)	2 (8.3%)	9 (12%)
Stereotactic procedure	6 (6.1%)	1 (4.2%)	5 (6.7%)
Extent of resection				0.292	92
GTR	72 (78.3%)	16 (76.2%)	56 (78.9%)
STR	8 (8.7%)	4 (19.1%)	4 (5.6%)
PR	2 (2.2%)	0	2 (2.8%)
Fenestration/biopsy	9 (9.8%)	1 (4.8%)	8 (11.3%)
Third ventriculostomy	1 (1.1%)	0	1 (1.4%)
Postoperative impairment				0.448	101
None	86 (85.2%)	22 (95.7%)	64 (82.1%)
Transient visual complications	13 (12.9%)	1 (4.4%)	12 (15.4%)
Long-lasting impairment	1 (1%)	0	1 (1.3%)
Dead	1 (1%)	0	1 (1.3%)
Minimal follow-up in months	16.8 ± 26 (0–122)	13.6 ± 12.5 (0.25–42)	17.6 ± 28.2 (0–122)	0.6	96
Final status				0.291	101
Asymptomatic	81 (80.2%)	18 (78.3%)	63 (80.8%)
Improvement	16 (15.8%)	3 (13%)	13 (16.7%)
No improvement	3 (3%)	2 (8.7%)	1 (1.3%)
Dead	1 (1%)	0	1 (1.3%)

GTR, gross total resection; FU, follow-up; OTT, occipital transtentorial approach (3 patients reported as suboccipital approach); PC, pineal cyst; PR, partial resection; SCIT, supracerebellar infratentorial approach; STR, subtotal resection