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医療専門家向け Childhood Ovarian Cancer Treatment (PDQ®)

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This PDQ cancer information summary for health professionals provides comprehensive, peer-reviewed, evidence-based information about the treatment of pediatric ovarian cancer. It is intended as a resource to inform and assist clinicians who care for cancer patients. It does not provide formal guidelines or recommendations for making health care decisions.

This summary is reviewed regularly and updated as necessary by the PDQ Pediatric Treatment Editorial Board, which is editorially independent of the National Cancer Institute (NCI). The summary reflects an independent review of the literature and does not represent a policy statement of NCI or the National Institutes of Health (NIH).

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General Information About Childhood Ovarian Cancer

Most ovarian masses in children are not malignant.[ 1 ]

The most common neoplasms are germ cell tumors, followed by epithelial tumors, stromal tumors, and then other tumors such as Burkitt lymphoma.[ 2 ][ 3 ][ 4 ][ 5 ]

Most malignant ovarian tumors occur in girls aged 15 to 19 years.[ 6 ]

参考文献
  1. Lawrence AE, Gonzalez DO, Fallat ME, et al.: Factors Associated With Management of Pediatric Ovarian Neoplasms. Pediatrics 144 (1): , 2019.[PUBMED Abstract]
  2. Morowitz M, Huff D, von Allmen D: Epithelial ovarian tumors in children: a retrospective analysis. J Pediatr Surg 38 (3): 331-5; discussion 331-5, 2003.[PUBMED Abstract]
  3. Schultz KA, Sencer SF, Messinger Y, et al.: Pediatric ovarian tumors: a review of 67 cases. Pediatr Blood Cancer 44 (2): 167-73, 2005.[PUBMED Abstract]
  4. Aggarwal A, Lucco KL, Lacy J, et al.: Ovarian epithelial tumors of low malignant potential: a case series of 5 adolescent patients. J Pediatr Surg 44 (10): 2023-7, 2009.[PUBMED Abstract]
  5. You W, Dainty LA, Rose GS, et al.: Gynecologic malignancies in women aged less than 25 years. Obstet Gynecol 105 (6): 1405-9, 2005.[PUBMED Abstract]
  6. Brookfield KF, Cheung MC, Koniaris LG, et al.: A population-based analysis of 1037 malignant ovarian tumors in the pediatric population. J Surg Res 156 (1): 45-9, 2009.[PUBMED Abstract]
Childhood Epithelial Ovarian Neoplasia

Histology, Clinical Presentation, and Prognosis

Ovarian tumors derived from malignant epithelial elements include the following:

Within each classification, subtypes include benign tumors, tumors with low malignant potential or borderline tumors, and adenocarcinomas. Most ovarian tumors in the pediatric age range are benign and borderline,[ 1 ] with rare malignant lesions in adolescence.[ 2 ] Studies have reported the following:

Girls with ovarian carcinoma (epithelial ovarian neoplasia) fare better than do adults with similar histology, probably because girls usually present with low-stage disease.[ 4 ][ 5 ] The potential association with genetic predisposition (e.g., BRCA mutation) in pediatric patients has not yet been studied.

Treatment of Childhood Epithelial Ovarian Neoplasia

Treatment options for childhood epithelial ovarian neoplasia include the following:

  1. Surgery alone.

Treatment of epithelial ovarian neoplasia is based on stage and histology. Most pediatric and adolescent patients have stage I disease. In the TREP study,[ 3 ] of the eight patients with benign tumors, seven patients were stage I and one patient was stage III. Of the eight patients with borderline tumors, three patients were stage I and five patients were stage III (on the basis of washings and omental implants). All 16 patients were treated with surgery alone. Fifteen patients are alive without disease; the one death was not from ovarian cancer.

Treatment options for childhood malignant ovarian epithelial cancer include the following:

  1. Surgery.
  2. Radiation therapy.
  3. Chemotherapy.

Treatment of malignant ovarian epithelial cancer is stage-related and follows adult protocols; it may include surgery, radiation therapy, and chemotherapy. (Refer to the PDQ summary on adult Ovarian Epithelial, Fallopian Tube, and Primary Peritoneal Cancer Treatment for more information.)

参考文献
  1. Childress KJ, Patil NM, Muscal JA, et al.: Borderline Ovarian Tumor in the Pediatric and Adolescent Population: A Case Series and Literature Review. J Pediatr Adolesc Gynecol 31 (1): 48-54, 2018.[PUBMED Abstract]
  2. Hazard FK, Longacre TA: Ovarian surface epithelial neoplasms in the pediatric population: incidence, histologic subtype, and natural history. Am J Surg Pathol 37 (4): 548-53, 2013.[PUBMED Abstract]
  3. Virgone C, Alaggio R, Dall'Igna P, et al.: Epithelial Tumors of the Ovary in Children and Teenagers: A Prospective Study from the Italian TREP Project. J Pediatr Adolesc Gynecol 28 (6): 441-6, 2015.[PUBMED Abstract]
  4. Tsai JY, Saigo PE, Brown C, et al.: Diagnosis, pathology, staging, treatment, and outcome of epithelial ovarian neoplasia in patients age < 21 years. Cancer 91 (11): 2065-70, 2001.[PUBMED Abstract]
  5. Nasioudis D, Alevizakos M, Holcomb K, et al.: Malignant and borderline epithelial ovarian tumors in the pediatric and adolescent population. Maturitas 96: 45-50, 2017.[PUBMED Abstract]
Childhood Sex Cord–Stromal Tumors

Histology and Molecular Features

Ovarian sex cord–stromal tumors are a heterogeneous group of rare tumors that derive from the gonadal non–germ cell component.[ 1 ] Histologic subtypes display some areas of gonadal differentiation and include juvenile (and, rarely, adult) granulosa cell tumors, Sertoli-Leydig cell tumors, and sclerosing stromal tumors. Other histological subtypes, such as steroid cell tumor, sex cord tumor with annular tubules, or thecoma, are exceedingly rare. Ovarian Sertoli-Leydig cell tumors in children and adolescents are commonly associated with the presence of germline DICER1 mutations and may be a manifestation of the familial pleuropulmonary blastoma syndrome.[ 2 ]

Clinical Presentation

The clinical presentation and prognosis of sex cord–stromal tumors varies by histology. In all entities, metastatic spread occurs rarely and if present, is usually limited to the peritoneal cavity.[ 1 ] Distant metastases mostly occur in relapse situations.[ 3 ] Some tumors may be associated with hormone secretion; for example, estrogen in granulosa cell tumors or androgens in Sertoli-Leydig cell tumors.[ 4 ]

Diagnostic Evaluation

In the United States, these tumors may be registered in the Testicular and Ovarian Stromal Tumor registry.[ 5 ] In Europe, patients are prospectively registered in the national rare tumor groups.[ 5 ][ 6 ] The recommendations regarding diagnostic work-up, staging, and therapeutic strategy have been harmonized between these registries.[ 5 ]

Prognostic Factors

In a report from the German Maligne Keimzelltumoren (MAKEI) study, 54 children and adolescents with prospectively registered sex cord–stromal tumors were analyzed. Forty-eight patients presented with stage I tumors, and six patients had peritoneal metastases. While overall prognosis was favorable, patients at risk could be identified by stage (stage Ic, preoperative rupture, stages II and III) and histological criteria such as high mitotic count.[ 7 ]

Treatment of Childhood Sex Cord–Stromal Tumors

Treatment options for childhood sex cord–stromal tumors include the following:

  1. Surgery.
  2. Chemotherapy.

A French registry identified 38 girls younger than 18 years with ovarian sex cord tumors.[ 4 ] Complete surgical resection was achieved in 23 of 38 girls who did not receive adjuvant treatment. Two patients recurred, one patient's tumor responded to chemotherapy, and the other patient died. Fifteen girls had tumor rupture and/or ascites. Eleven of the 15 patients received chemotherapy and did not recur; of the four patients who did not receive chemotherapy, all recurred and two died.

Childhood Juvenile Granulosa Cell Tumors

Incidence

The most common histologic subtype in girls younger than 18 years is juvenile granulosa cell tumors (median age, 7.6 years; range, birth to 17.5 years).[ 8 ][ 9 ] Juvenile granulosa cell tumors represent about 5% of ovarian tumors in children and adolescents and are distinct from the granulosa cell tumors seen in adults.[ 1 ][ 10 ][ 11 ][ 12 ]

Risk Factors

Juvenile granulosa cell tumors have been reported in children with Ollier disease and Maffucci syndrome.[ 13 ][ 14 ]

Clinical Presentation

Patients with juvenile granulosa cell tumors present with the following symptoms:[ 15 ][ 16 ]

Treatment of Childhood Juvenile Granulosa Cell Tumors

Treatment options for childhood juvenile granulosa cell tumors include the following:

  1. Surgery. As many as 90% of children with juvenile granulosa cell tumors will have low-stage disease (stage I) by International Federation of Gynecology and Obstetrics (FIGO) criteria and are usually curable with unilateral salpingo-oophorectomy alone.
  2. Chemotherapy. Patients with spontaneous tumor rupture or malignant ascites (FIGO stage IC2, IC3), advanced disease (FIGO stages II–IV), and those with high mitotic activity tumors have a poorer prognosis and require chemotherapy.[ 4 ][ 6 ][ 17 ] Use of a cisplatin-based chemotherapy regimen has been reported in both the adjuvant and recurrent disease settings with some success.[ 6 ][ 8 ][ 12 ][ 18 ][ 19 ][Level of evidence: 3iiiA]

Childhood Sertoli-Leydig Cell Tumors

Incidence, Risk Factors, and Clinical Presentation

Sertoli-Leydig cell tumors are rare in young girls and are more frequently seen in adolescents. They may secrete androgens and, thus, present with virilization, secondary amenorrhea,[ 20 ] or precocious puberty.[ 21 ] These tumors may also be associated with Peutz-Jeghers syndrome, but more frequently are a part of the DICER1-tumor spectrum.[ 2 ][ 22 ][ 23 ] Patients with Sertoli-Leydig cell tumors should be evaluated for germline DICER1 mutations. If a germline DICER1 mutation is found, regular follow-up for ovarian and other tumors such as thyroid disease (multinodular goiter, carcinoma) and genetic counseling should be considered.[ 23 ][ 24 ]

Treatment and Outcome of Childhood Sertoli-Leydig Cell Tumors

Treatment options for childhood Sertoli-Leydig cell tumors include the following:

  1. Surgery. Surgery is the primary treatment for Sertoli-Leydig cell tumors and is the only treatment for low-stage disease (FIGO stage Ia), with essentially 100% event-free survival (EFS).[ 4 ][Level of evidence: 3iiiA] However, up to 10% of patients may develop metachronous contralateral tumors, particularly in the context of underlying DICER1 germline mutations.[ 25 ]
  2. Chemotherapy. Patients with Sertoli-Leydig cell tumors with abdominal spillage during surgery, spontaneous tumor rupture, or metastatic disease (FIGO stages IC, II, III, and IV) are treated with cisplatin-based combination chemotherapy, although the impact of chemotherapy has not been studied in clinical trials.[ 4 ][ 26 ] An additional study reported on 40 women with FIGO stage I or Ic Sertoli-Leydig cell tumors of the ovary, with an average age of 28 years.[ 27 ][Level of evidence: 3iiA] Of 34 patients with intermediate or poor differentiation, 23 patients received postoperative chemotherapy (most regimens included cisplatin); none recurred. Of the 11 patients who did not receive postoperative chemotherapy, two recurred; both had tumors that were salvaged with chemotherapy.

A study of 44 patients from the European Cooperative Study Group on Pediatric Rare Tumors showed that prognosis of Sertoli-Leydig cell tumors was determined by stage and histopathologic differentiation.[ 26 ]

参考文献
  1. Schneider DT, Jänig U, Calaminus G, et al.: Ovarian sex cord-stromal tumors--a clinicopathological study of 72 cases from the Kiel Pediatric Tumor Registry. Virchows Arch 443 (4): 549-60, 2003.[PUBMED Abstract]
  2. Schultz KA, Pacheco MC, Yang J, et al.: Ovarian sex cord-stromal tumors, pleuropulmonary blastoma and DICER1 mutations: a report from the International Pleuropulmonary Blastoma Registry. Gynecol Oncol 122 (2): 246-50, 2011.[PUBMED Abstract]
  3. Wessalowski R, Spaar HJ, Pape H, et al.: Successful liver treatment of a juvenile granulosa cell tumor in a 4-year-old child by regional deep hyperthermia, systemic chemotherapy, and irradiation. Gynecol Oncol 57 (3): 417-22, 1995.[PUBMED Abstract]
  4. Fresneau B, Orbach D, Faure-Conter C, et al.: Sex-Cord Stromal Tumors in Children and Teenagers: Results of the TGM-95 Study. Pediatr Blood Cancer 62 (12): 2114-9, 2015.[PUBMED Abstract]
  5. Schultz KA, Schneider DT, Pashankar F, et al.: Management of ovarian and testicular sex cord-stromal tumors in children and adolescents. J Pediatr Hematol Oncol 34 (Suppl 2): S55-63, 2012.[PUBMED Abstract]
  6. Schneider DT, Calaminus G, Harms D, et al.: Ovarian sex cord-stromal tumors in children and adolescents. J Reprod Med 50 (6): 439-46, 2005.[PUBMED Abstract]
  7. Schneider DT, Calaminus G, Wessalowski R, et al.: Ovarian sex cord-stromal tumors in children and adolescents. J Clin Oncol 21 (12): 2357-63, 2003.[PUBMED Abstract]
  8. Calaminus G, Wessalowski R, Harms D, et al.: Juvenile granulosa cell tumors of the ovary in children and adolescents: results from 33 patients registered in a prospective cooperative study. Gynecol Oncol 65 (3): 447-52, 1997.[PUBMED Abstract]
  9. Capito C, Flechtner I, Thibaud E, et al.: Neonatal bilateral ovarian sex cord stromal tumors. Pediatr Blood Cancer 52 (3): 401-3, 2009.[PUBMED Abstract]
  10. Bouffet E, Basset T, Chetail N, et al.: Juvenile granulosa cell tumor of the ovary in infants: a clinicopathologic study of three cases and review of the literature. J Pediatr Surg 32 (5): 762-5, 1997.[PUBMED Abstract]
  11. Zaloudek C, Norris HJ: Granulosa tumors of the ovary in children: a clinical and pathologic study of 32 cases. Am J Surg Pathol 6 (6): 503-12, 1982.[PUBMED Abstract]
  12. Vassal G, Flamant F, Caillaud JM, et al.: Juvenile granulosa cell tumor of the ovary in children: a clinical study of 15 cases. J Clin Oncol 6 (6): 990-5, 1988.[PUBMED Abstract]
  13. Tanaka Y, Sasaki Y, Nishihira H, et al.: Ovarian juvenile granulosa cell tumor associated with Maffucci's syndrome. Am J Clin Pathol 97 (4): 523-7, 1992.[PUBMED Abstract]
  14. Sampagar AA, Jahagirdar RR, Bafna VS, et al.: Juvenile granulosa cell tumor associated with Ollier disease. Indian J Med Paediatr Oncol 37 (4): 293-295, 2016 Oct-Dec.[PUBMED Abstract]
  15. Kalfa N, Patte C, Orbach D, et al.: A nationwide study of granulosa cell tumors in pre- and postpubertal girls: missed diagnosis of endocrine manifestations worsens prognosis. J Pediatr Endocrinol Metab 18 (1): 25-31, 2005.[PUBMED Abstract]
  16. Gell JS, Stannard MW, Ramnani DM, et al.: Juvenile granulosa cell tumor in a 13-year-old girl with enchondromatosis (Ollier's disease): a case report. J Pediatr Adolesc Gynecol 11 (3): 147-50, 1998.[PUBMED Abstract]
  17. Wu H, Pangas SA, Eldin KW, et al.: Juvenile Granulosa Cell Tumor of the Ovary: A Clinicopathologic Study. J Pediatr Adolesc Gynecol 30 (1): 138-143, 2017.[PUBMED Abstract]
  18. Powell JL, Connor GP, Henderson GS: Management of recurrent juvenile granulosa cell tumor of the ovary. Gynecol Oncol 81 (1): 113-6, 2001.[PUBMED Abstract]
  19. Schneider DT, Calaminus G, Wessalowski R, et al.: Therapy of advanced ovarian juvenile granulosa cell tumors. Klin Padiatr 214 (4): 173-8, 2002 Jul-Aug.[PUBMED Abstract]
  20. Arhan E, Cetinkaya E, Aycan Z, et al.: A very rare cause of virilization in childhood: ovarian Leydig cell tumor. J Pediatr Endocrinol Metab 21 (2): 181-3, 2008.[PUBMED Abstract]
  21. Choong CS, Fuller PJ, Chu S, et al.: Sertoli-Leydig cell tumor of the ovary, a rare cause of precocious puberty in a 12-month-old infant. J Clin Endocrinol Metab 87 (1): 49-56, 2002.[PUBMED Abstract]
  22. Zung A, Shoham Z, Open M, et al.: Sertoli cell tumor causing precocious puberty in a girl with Peutz-Jeghers syndrome. Gynecol Oncol 70 (3): 421-4, 1998.[PUBMED Abstract]
  23. Schultz KA, Harris A, Messinger Y, et al.: Ovarian tumors related to intronic mutations in DICER1: a report from the international ovarian and testicular stromal tumor registry. Fam Cancer 15 (1): 105-10, 2016.[PUBMED Abstract]
  24. Schultz KAP, Williams GM, Kamihara J, et al.: DICER1 and Associated Conditions: Identification of At-risk Individuals and Recommended Surveillance Strategies. Clin Cancer Res 24 (10): 2251-2261, 2018.[PUBMED Abstract]
  25. Schultz KAP, Harris AK, Finch M, et al.: DICER1-related Sertoli-Leydig cell tumor and gynandroblastoma: Clinical and genetic findings from the International Ovarian and Testicular Stromal Tumor Registry. Gynecol Oncol 147 (3): 521-527, 2017.[PUBMED Abstract]
  26. Schneider DT, Orbach D, Cecchetto G, et al.: Ovarian Sertoli Leydig cell tumours in children and adolescents: an analysis of the European Cooperative Study Group on Pediatric Rare Tumors (EXPeRT). Eur J Cancer 51 (4): 543-50, 2015.[PUBMED Abstract]
  27. Gui T, Cao D, Shen K, et al.: A clinicopathological analysis of 40 cases of ovarian Sertoli-Leydig cell tumors. Gynecol Oncol 127 (2): 384-9, 2012.[PUBMED Abstract]
Childhood Small Cell Carcinoma of the Ovary, Hypercalcemia-Type

Incidence, Molecular Features, and Prognosis

Small cell carcinomas of the ovary are exceedingly rare and aggressive tumors and may be associated with hypercalcemia.[ 1 ]

SMARCA4 mutations have been described in these tumors, putting these in the context of rhabdoid tumors.[ 2 ]

The clinical course is usually aggressive and prognosis is poor.

Treatment of Childhood Small Cell Carcinoma of the Ovary, Hypercalcemia-Type

Treatment options for childhood small cell carcinoma of the ovary include the following:

  1. Aggressive multimodality therapy. Successful treatment with aggressive therapy has been reported in a few cases.[ 1 ][ 3 ][Level of evidence: 3iiB]; [ 4 ][ 5 ][Level of evidence: 3iiiA]
  2. Tazemetostat. Tazemetostat is an EZH2 inhibitor that demonstrates activity against preclinical models of small cell carcinoma of the ovary with SMARCA4 loss.[ 6 ] Two patients with small cell carcinoma of the ovary and SMARCA4 loss were enrolled in a phase I trial of tazemetostat; one patient achieved a partial response and one patient achieved prolonged stable disease. The most common toxicities associated with tazemetostat were asthenia, anemia, anorexia, muscle spasms, nausea, and vomiting.[ 7 ]
参考文献
  1. Distelmaier F, Calaminus G, Harms D, et al.: Ovarian small cell carcinoma of the hypercalcemic type in children and adolescents: a prognostically unfavorable but curable disease. Cancer 107 (9): 2298-306, 2006.[PUBMED Abstract]
  2. Witkowski L, Goudie C, Foulkes WD, et al.: Small-Cell Carcinoma of the Ovary of Hypercalcemic Type (Malignant Rhabdoid Tumor of the Ovary): A Review with Recent Developments on Pathogenesis. Surg Pathol Clin 9 (2): 215-26, 2016.[PUBMED Abstract]
  3. Pressey JG, Kelly DR, Hawthorne HT: Successful treatment of preadolescents with small cell carcinoma of the ovary hypercalcemic type. J Pediatr Hematol Oncol 35 (7): 566-9, 2013.[PUBMED Abstract]
  4. Christin A, Lhomme C, Valteau-Couanet D, et al.: Successful treatment for advanced small cell carcinoma of the ovary. Pediatr Blood Cancer 50 (6): 1276-7, 2008.[PUBMED Abstract]
  5. Kanwar VS, Heath J, Krasner CN, et al.: Advanced small cell carcinoma of the ovary in a seventeen-year-old female, successfully treated with surgery and multi-agent chemotherapy. Pediatr Blood Cancer 50 (5): 1060-2, 2008.[PUBMED Abstract]
  6. Chan-Penebre E, Armstrong K, Drew A, et al.: Selective Killing of SMARCA2- and SMARCA4-deficient Small Cell Carcinoma of the Ovary, Hypercalcemic Type Cells by Inhibition of EZH2: In Vitro and In Vivo Preclinical Models. Mol Cancer Ther 16 (5): 850-860, 2017.[PUBMED Abstract]
  7. Italiano A, Soria JC, Toulmonde M, et al.: Tazemetostat, an EZH2 inhibitor, in relapsed or refractory B-cell non-Hodgkin lymphoma and advanced solid tumours: a first-in-human, open-label, phase 1 study. Lancet Oncol 19 (5): 649-659, 2018.[PUBMED Abstract]
Treatment Options Under Clinical Evaluation for Childhood Ovarian Cancer

Information about National Cancer Institute (NCI)–supported clinical trials can be found on the NCI website. For information about clinical trials sponsored by other organizations, refer to the ClinicalTrials.gov website.

The following are examples of national and/or institutional clinical trials that are currently being conducted:

Special Considerations for the Treatment of Children With Cancer

Cancer in children and adolescents is rare, although the overall incidence of childhood cancer has been slowly increasing since 1975.[ 1 ] Referral to medical centers with multidisciplinary teams of cancer specialists experienced in treating cancers that occur in childhood and adolescence should be considered for children and adolescents with cancer. This multidisciplinary team approach incorporates the skills of the following health care professionals and others to ensure that children receive treatment, supportive care, and rehabilitation that will achieve optimal survival and quality of life:

(Refer to the PDQ Supportive and Palliative Care summaries for specific information about supportive care for children and adolescents with cancer.)

Guidelines for pediatric cancer centers and their role in the treatment of pediatric patients with cancer have been outlined by the American Academy of Pediatrics.[ 2 ] At these pediatric cancer centers, clinical trials are available for most types of cancer that occur in children and adolescents, and the opportunity to participate in these trials is offered to most patients and their families. Clinical trials for children and adolescents diagnosed with cancer are generally designed to compare potentially better therapy with therapy that is currently accepted as standard. Most of the progress made in identifying curative therapy for childhood cancers has been achieved through clinical trials. Information about ongoing clinical trials is available from the NCI website.

Dramatic improvements in survival have been achieved for children and adolescents with cancer. Between 1975 and 2010, childhood cancer mortality decreased by more than 50%.[ 3 ] Childhood and adolescent cancer survivors require close monitoring because cancer therapy side effects may persist or develop months or years after treatment. (Refer to the PDQ summary on Late Effects of Treatment for Childhood Cancer for specific information about the incidence, type, and monitoring of late effects in childhood and adolescent cancer survivors.)

Childhood cancer is a rare disease, with about 15,000 cases diagnosed annually in the United States in individuals younger than 20 years.[ 4 ] The U.S. Rare Diseases Act of 2002 defines a rare disease as one that affects populations smaller than 200,000 persons. Therefore, all pediatric cancers are considered rare.

The designation of a rare tumor is not uniform among pediatric and adult groups. Adult rare cancers are defined as those with an annual incidence of fewer than six cases per 100,000 people, and they are estimated to account for up to 24% of all cancers diagnosed in the European Union and about 20% of all cancers diagnosed in the United States.[ 5 ][ 6 ] Also, the designation of a pediatric rare tumor is not uniform among international groups, as follows:

These rare cancers are extremely challenging to study because of the low incidence of patients with any individual diagnosis, the predominance of rare cancers in the adolescent population, and the lack of clinical trials for adolescents with rare cancers.

Information about these tumors may also be found in sources relevant to adults with cancer such as the PDQ summary on adult Ovarian Epithelial, Fallopian Tube, and Primary Peritoneal Cancer Treatment.

参考文献
  1. Smith MA, Seibel NL, Altekruse SF, et al.: Outcomes for children and adolescents with cancer: challenges for the twenty-first century. J Clin Oncol 28 (15): 2625-34, 2010.[PUBMED Abstract]
  2. Corrigan JJ, Feig SA; American Academy of Pediatrics: Guidelines for pediatric cancer centers. Pediatrics 113 (6): 1833-5, 2004.[PUBMED Abstract]
  3. Smith MA, Altekruse SF, Adamson PC, et al.: Declining childhood and adolescent cancer mortality. Cancer 120 (16): 2497-506, 2014.[PUBMED Abstract]
  4. Ward E, DeSantis C, Robbins A, et al.: Childhood and adolescent cancer statistics, 2014. CA Cancer J Clin 64 (2): 83-103, 2014 Mar-Apr.[PUBMED Abstract]
  5. Gatta G, Capocaccia R, Botta L, et al.: Burden and centralised treatment in Europe of rare tumours: results of RARECAREnet-a population-based study. Lancet Oncol 18 (8): 1022-1039, 2017.[PUBMED Abstract]
  6. DeSantis CE, Kramer JL, Jemal A: The burden of rare cancers in the United States. CA Cancer J Clin 67 (4): 261-272, 2017.[PUBMED Abstract]
  7. Ferrari A, Bisogno G, De Salvo GL, et al.: The challenge of very rare tumours in childhood: the Italian TREP project. Eur J Cancer 43 (4): 654-9, 2007.[PUBMED Abstract]
  8. Pappo AS, Krailo M, Chen Z, et al.: Infrequent tumor initiative of the Children's Oncology Group: initial lessons learned and their impact on future plans. J Clin Oncol 28 (33): 5011-6, 2010.[PUBMED Abstract]
  9. Howlader N, Noone AM, Krapcho M, et al., eds.: SEER Cancer Statistics Review, 1975-2012. Bethesda, Md: National Cancer Institute, 2015. Also available online. Last accessed February 20, 2020.[PUBMED Abstract]
Changes to This Summary (06/08/2020)

The PDQ cancer information summaries are reviewed regularly and updated as new information becomes available. This section describes the latest changes made to this summary as of the date above.

General Information About Childhood Ovarian Cancer

Added Lawrence et al. as reference 1.

Childhood Small Cell Carcinoma of the Ovary, Hypercalcemia-Type

Added text to state that the most common toxicities associated with tazemetostat were asthenia, anemia, anorexia, muscle spasms, nausea, and vomiting.

This summary is written and maintained by the PDQ Pediatric Treatment Editorial Board, which is editorially independent of NCI. The summary reflects an independent review of the literature and does not represent a policy statement of NCI or NIH. More information about summary policies and the role of the PDQ Editorial Boards in maintaining the PDQ summaries can be found on the About This PDQ Summary and PDQ® - NCI's Comprehensive Cancer Database pages.

About This PDQ Summary

Purpose of This Summary

This PDQ cancer information summary for health professionals provides comprehensive, peer-reviewed, evidence-based information about the treatment of pediatric ovarian cancer. It is intended as a resource to inform and assist clinicians who care for cancer patients. It does not provide formal guidelines or recommendations for making health care decisions.

Reviewers and Updates

This summary is reviewed regularly and updated as necessary by the PDQ Pediatric Treatment Editorial Board, which is editorially independent of the National Cancer Institute (NCI). The summary reflects an independent review of the literature and does not represent a policy statement of NCI or the National Institutes of Health (NIH).

Board members review recently published articles each month to determine whether an article should:

Changes to the summaries are made through a consensus process in which Board members evaluate the strength of the evidence in the published articles and determine how the article should be included in the summary.

Any comments or questions about the summary content should be submitted to Cancer.gov through the NCI website's Email Us. Do not contact the individual Board Members with questions or comments about the summaries. Board members will not respond to individual inquiries.

Levels of Evidence

Some of the reference citations in this summary are accompanied by a level-of-evidence designation. These designations are intended to help readers assess the strength of the evidence supporting the use of specific interventions or approaches. The PDQ Pediatric Treatment Editorial Board uses a formal evidence ranking system in developing its level-of-evidence designations.

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The preferred citation for this PDQ summary is:

PDQ® Pediatric Treatment Editorial Board. PDQ Childhood Ovarian Cancer Treatment. Bethesda, MD: National Cancer Institute. Updated <MM/DD/YYYY>. Available at: https://www.cancer.gov/types/ovarian/hp/child-ovarian-treatment-pdq. Accessed <MM/DD/YYYY>.

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