Primary Yolk Sac Tumor in the Cerebellar Hemisphere: A Case Report and Literature Review of the Rare Tumor

Yolk sac tumor (YST) is one of rare malignant germ cell tumors (GCTs). Primary intracranial YST, also endodermal sinus tumor (EST), is a quite rare type of brain tumor. Here, we report a case of YST, review the relevant literature, and propose a treatment strategy for this rare tumor. A 6-year-old b...

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Autores principales: Na Wu, Qiang Chen, Meng Chen, Jinbo Ning, Shulei Peng, Taotao Zhang, Wen Zhong, Song Duan, Chongjie Cheng, Yimin Xie
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Publicado: Frontiers Media S.A. 2021
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Acceso en línea:https://doaj.org/article/21ad369df25f49f79d19d255034e8e48
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spelling oai:doaj.org-article:21ad369df25f49f79d19d255034e8e482021-11-05T05:32:09ZPrimary Yolk Sac Tumor in the Cerebellar Hemisphere: A Case Report and Literature Review of the Rare Tumor2234-943X10.3389/fonc.2021.739733https://doaj.org/article/21ad369df25f49f79d19d255034e8e482021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fonc.2021.739733/fullhttps://doaj.org/toc/2234-943XYolk sac tumor (YST) is one of rare malignant germ cell tumors (GCTs). Primary intracranial YST, also endodermal sinus tumor (EST), is a quite rare type of brain tumor. Here, we report a case of YST, review the relevant literature, and propose a treatment strategy for this rare tumor. A 6-year-old boy initially manifested symptoms of dizziness and vomiting. Computed tomography (CT) and magnetic resonance imaging (MRI) showed a large irregular oval tumor in the cerebellar hemisphere. We subtotally removed the tumor by microsurgery through the left suboccipital approach. Immunohistochemical staining showed that alpha fetoprotein (AFP) was positive and the Ki-67 proliferation index was high (60%), suggesting a germ cell tumor. After 3 months of follow-up, neither recurrence of tumor nor complications were found in the patient. The diagnosis of YST should be confirmed on the basis of clinical manifestations, neuroimaging and pathological findings. Gross total resection (GTR) is an ideal treatment for YST. However, due to the location of the tumor, GTR is usually difficult, and the rate of postoperative complications is high. This reported case shows that subtotal resection can be a good treatment strategy for YST.Na WuQiang ChenMeng ChenJinbo NingShulei PengTaotao ZhangWen ZhongSong DuanChongjie ChengYimin XieFrontiers Media S.A.articleyolk sac tumorcerebellar hemisphereendodermal sinus tumormicrosurgerysubtotal resectionNeoplasms. Tumors. Oncology. Including cancer and carcinogensRC254-282ENFrontiers in Oncology, Vol 11 (2021)
institution DOAJ
collection DOAJ
language EN
topic yolk sac tumor
cerebellar hemisphere
endodermal sinus tumor
microsurgery
subtotal resection
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
spellingShingle yolk sac tumor
cerebellar hemisphere
endodermal sinus tumor
microsurgery
subtotal resection
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
Na Wu
Qiang Chen
Meng Chen
Jinbo Ning
Shulei Peng
Taotao Zhang
Wen Zhong
Song Duan
Chongjie Cheng
Yimin Xie
Primary Yolk Sac Tumor in the Cerebellar Hemisphere: A Case Report and Literature Review of the Rare Tumor
description Yolk sac tumor (YST) is one of rare malignant germ cell tumors (GCTs). Primary intracranial YST, also endodermal sinus tumor (EST), is a quite rare type of brain tumor. Here, we report a case of YST, review the relevant literature, and propose a treatment strategy for this rare tumor. A 6-year-old boy initially manifested symptoms of dizziness and vomiting. Computed tomography (CT) and magnetic resonance imaging (MRI) showed a large irregular oval tumor in the cerebellar hemisphere. We subtotally removed the tumor by microsurgery through the left suboccipital approach. Immunohistochemical staining showed that alpha fetoprotein (AFP) was positive and the Ki-67 proliferation index was high (60%), suggesting a germ cell tumor. After 3 months of follow-up, neither recurrence of tumor nor complications were found in the patient. The diagnosis of YST should be confirmed on the basis of clinical manifestations, neuroimaging and pathological findings. Gross total resection (GTR) is an ideal treatment for YST. However, due to the location of the tumor, GTR is usually difficult, and the rate of postoperative complications is high. This reported case shows that subtotal resection can be a good treatment strategy for YST.
format article
author Na Wu
Qiang Chen
Meng Chen
Jinbo Ning
Shulei Peng
Taotao Zhang
Wen Zhong
Song Duan
Chongjie Cheng
Yimin Xie
author_facet Na Wu
Qiang Chen
Meng Chen
Jinbo Ning
Shulei Peng
Taotao Zhang
Wen Zhong
Song Duan
Chongjie Cheng
Yimin Xie
author_sort Na Wu
title Primary Yolk Sac Tumor in the Cerebellar Hemisphere: A Case Report and Literature Review of the Rare Tumor
title_short Primary Yolk Sac Tumor in the Cerebellar Hemisphere: A Case Report and Literature Review of the Rare Tumor
title_full Primary Yolk Sac Tumor in the Cerebellar Hemisphere: A Case Report and Literature Review of the Rare Tumor
title_fullStr Primary Yolk Sac Tumor in the Cerebellar Hemisphere: A Case Report and Literature Review of the Rare Tumor
title_full_unstemmed Primary Yolk Sac Tumor in the Cerebellar Hemisphere: A Case Report and Literature Review of the Rare Tumor
title_sort primary yolk sac tumor in the cerebellar hemisphere: a case report and literature review of the rare tumor
publisher Frontiers Media S.A.
publishDate 2021
url https://doaj.org/article/21ad369df25f49f79d19d255034e8e48
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