Table 2 Histologic distribution of 203 cases of adnexal masses of children and adolescent by age of patient
From: Ovarian masses in children and adolescents in China: analysis of 203 cases
Age of patient | ||||||||
|---|---|---|---|---|---|---|---|---|
≤9 y | 10–14 y | ≥15 y | total | |||||
No. | % | No. | % | No. | % | No. | % | |
Germ cell tumor | 5 | 5/7 (83.33%) | 34 | 34/54 (62.96%) | 59 | 59/153 (38.56%) | 98 | 98/214 (45.79%) |
34/37 (91.89%) | 59/92 (64.13%) | 98/136 (72.06%) | ||||||
Mature teratoma | 4 | 31 | 50 | 85 | ||||
Immature teratoma | 1 | 2 | 2 | 5 | ||||
Endodermal sinus tumor | 0 | 1 | 5 | 6 | ||||
Mix germ cell tumor | 2 | 2 | ||||||
Epithelial tumor | 0 | 0 | 2 | 2/54 (3.70%) | 29 | 29/153 (18.95%) | 31 | 31/214 (14.49%) |
2/37 (5.41%) | 29/92 (31.52%) | 31/136 (22.79%) | ||||||
Mucinous tumor | 0 | 2 | 13 | 15 | ||||
Benign | 0 | 2 | 7 | 9 | ||||
Borderline | 0 | 0 | 2 | 2 | ||||
Malignant | 0 | 0 | 4 | 4 | ||||
Serous tumor | 0 | 0 | 15 | 16 | ||||
Benign | 0 | 0 | 11 | 11 | ||||
Borderline | 0 | 0 | 4 | 4 | ||||
Malignant | 0 | 0 | 0 | 0 | ||||
Sex cord-stromal tumor | 2 | 2/7 (16.67%) | 1 | 2/54 (1.85%) | 4 | 4/153 (2.61%) | 7 | 7/214 (3.27%) |
2/37 (2.70%) | 4/92 (4.35%) | 7/136 (5.15%) | ||||||
Granular cell tumor | 1 | 0 | 0 | 1 | ||||
Steroid cell tumors | 0 | 2 | ||||||
Well differentiated | 1 | |||||||
malignant | 1 | |||||||
Dysgerminoma | 1 | 0 | 3 | 4 | ||||
Nontumorous mass | 0 | 0 | 17 | 17/54 (31.48%) | 61 | 61/153 (39.87%) | 78 | 78/214 (36.45%) |
Parovarian cyst | 0 | 1 | 18 | 19 | ||||
Lutein cyst | 0 | 12 | 19 | 31 | ||||
other | 0 | 4 | 24 | 28 | ||||
Total | 7 | 7/214 (3.27%) | 54 | 54/214 (25.23%) | 153 | 153/214 (71.50%) | 214 | 100 |