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Outcomes of Pediatric and Adolescent Girls with Malignant Ovarian Germ Cell Tumors after Chemotherapy and Surgery: A Single Institutional Experience Cover

Outcomes of Pediatric and Adolescent Girls with Malignant Ovarian Germ Cell Tumors after Chemotherapy and Surgery: A Single Institutional Experience

Open Access
|Apr 2026

Figures & Tables

Figure 1(A).

The five-year overall survival (OS) rate was 90.5%.

Figure 1(B).

The five-year event-free survival (EFS) rate for all patients was 87.1%,

Figure 2(A).

In terms of chemotherapy, the overall survival (OS) for JEB (Carboplatin, Etoposide, Bleomycin), BEP (bleomycin, etoposide, cisplatin), and PEB (cisplatin, Etoposide, Bleomycin) were 90.7%, 86.2%, and 100.0%, respectively.

Figure 2(B).

In terms of chemotherapy, the event-free survival (EFS) for JEB (Carboplatin, Etoposide, Bleomycin), BEP (bleomycin, etoposide, cisplatin), and PEB (cisplatin, Etoposide, Bleomycin) were 88.0%, 82.8%, and 100.0%, respectively.

Figure 3(A).

According to the risk group, the OS for low, intermediate, and high risk were 100%, 100%, and 80.7%, respectively.

Figure 3(B).

According to the risk group, the EFS for low, intermediate, and high risk were 93.8%, 97.7%, and 77.2%, respectively.

Figure 4(A).

Based on histological subtypes, the estimated five-year OS was 95.1% for dysgerminoma, 84.4% for mixed germ cell tumor, and 88.2% for yolk sac tumor.

Figure 4(B).

Based on histological subtypes, the estimated five-year event free survival (EFS) was 95.1% for dysgerminoma, 78.1% for mixed germ cell tumor, and 85.3% for yolk sac tumor.

Patient’s demographic and clinical characteristics_

Characteristicsn = 116
Median follow up40 (5–72 months)
Median age at diagnosis13.5 years (10–17)
≤11 years20 (17.24%)
>11 years94 (81.0%)
Histology
Dysgerminoma45 (38.7%)
Embryonal carcinoma5 (4.3%)
Yolk Sac Tumour34 (29.3%)
Mixed Germ Cell Tumour32 (27.6%)
Stage
I13 (11.2%)
II10 (8.6%)
III56 (48.3%)
IV37 (31.9%)
AFP (Alpha feto protein)
<1043 (37.1%)
10–10010 (8.6%)
100–100014 (12.1%)
>100049 (42.2%)
Surgery
Upfront surgery only102 (87.9%),
Delayed surgery + salvage surgery22 (12.1%)
Risk group
Low16 (13.8%)
Intermediate43 (37.1%)
High57 (49.1%)
First-line chemotherapy
JEB (Carboplatin, etoposide, bleomycin)75 (64.7%)
BEP (bleomycin, etoposide, cisplatin)29 (25.0%)
PEB (cisplatin, Etoposide, Bleomycin)5 (4.3%)
No chemotherapy7 (6.03%)

Stage and Risk Stratification_

StageFeatures
ILimited to the ovary (peritoneal evaluation should be negative). There is no evidence of disease beyond the ovaries. (Note: The presence of gliomatosis peritonei does not result in changing Stage I disease to a higher stage.)
IIMicroscopic residual; peritoneal evaluation negative. (Note: The gliomatosis peritonei does not change Stage II disease to a higher stage. Tumor markers normalize or decrease with an appropriate half-life.
IIILymph node involvement (metastatic nodule); gross residual or biopsy only; contiguous visceral involvement (omentum, intestine, bladder); peritoneal evaluation positive for malignancy.
IVDistant metastases, including the liver.

Characteristics of patients with deaths (n=11)_

NumberAge at Diagnosis (Years)HistologyStageSurgeryAdjuvant ChemotherapyTime from Diagnosis to progression, relapse (months)Treatment after Progression or RecurrenceStatus
115YST3(HR)LaparotomyBEP (6 cycles)5months (progression)Gemcitabine/oxaliplatin (6 cycles)Died (due to progression)
211YST3(HR)Mets in liverJEB (6 cycles)7 months (progression)VeIP (6 cycle)Died (due to progression)
313Mixed GCT4(HR)NilJEB (6 cycles)5 months (progression)VeIP (6 cycles)Died (due to progression)
Gemcitabine/oxaliplatin (6 cycles)
411Mixed GCT4(HR)LaparotomyBEP (4 cycles)36 months (relapse)TIP (4 cycles)Died (due to progression)
512Dysgerminoma4(HR)NilBEP (2 cycles)5 months (progression)VeIP (2 cycle)Died (due to progression)
611YST4(HR)NilJEB (6 cycles)14 months (progression)VeIP (3 cycles)Died (due to progression)
Gemcitabine/vinorelbine (1 cycle)
716Mixed GCT4(HR)NilJEB (3 cycles)1 months (progression)BEP (1 cycle)Died (due to toxicity)
817YST3(HR)IrresectableBEP (6 cycles)24 months (progression)VeIP(1 cycle)Died (due to toxicity)
VIP(1cycle)
911YST4(HR)NilJEB (1 cycles)5 months (progression)NilDied (due to toxicity)
1015Mixed GCT4(HR)NilJEB (1 cycles)14 months (progression)NilDied (due to toxicity)
1111Dysgerminoma4(HR)NilJEB (6 cycles)36 months (Secondary AML)NilDied (due to secondary AML)
Language: English
Page range: 30 - 39
Published on: Apr 3, 2026
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2026 Niaz Ali, Rabia Muhammad Wali, Aqeela Rashid, Naila Inayat, Misbah Zainab, Sajid Ali, Syeda Tehreem zahra Gillani, Najma Shaheen, published by Shakuat Khanum Memorial Cancer Hospital and Research Centre
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.