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논문 기본 정보

자료유형
학술저널
저자정보
곽용국 (Department of Neurosurgery, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea) 양승호 (가톨릭대학교) 유연지 (Department of Neurosurgery, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea) 김현호 (가톨릭대학교) 이유진 (Department of Hospital Pathology, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea) 김영일 (가톨릭대학교)
저널정보
대한뇌종양학회 Brain Tumor Research and Treatment Brain Tumor Research and Treatment Vol.12 No.3
발행연도
2024.7
수록면
200 - 203 (4page)

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Intracranial growing teratoma syndrome (iGTS) is a rare phenomenon in patients with non-germinoma- tous germ cell tumor (NGGCT) after chemotherapy or radiotherapy. It manifests as paradoxical growth of teratomatous components, with multiple cystic lesions on cranial imaging despite normalized tumor markers. This paper presents a 22-year-old male with iGTS, diagnosed one month after chemotherapy against NGGCT. Initially diagnosed with presumptive pineal NGGCT causing obstructive hydrocepha- lus, the patient underwent endoscopic third ventriculostomy and extraventricular drainage with tumor biopsy followed by two chemotherapy cycles. Despite normalization of tumor markers, follow-up MRI showed increased tumor size with honeycomb-like cystic patterns. The patient underwent suboccipital craniotomy for tumor removal via combined telovelar and infratentorial supracerebellar approaches. The final pathology confirmed mature teratoma. However, postoperative bleeding and left thalamic in- farction occurred, resulting in severe neurological deficits. Despite challenges, the patient eventually re- gained the ability to follow simple commands. To understand iGTS pathophysiology, several hypothe- ses, including the differentiation of immature components and the uninhibited growth of mature components induced by chemotherapy or radiotherapy, were explored. Surgical intervention remains as an ideal treatment, while clinical trials investigate chemotherapy options. Frequent imaging follow- ups are crucial for early detection in iGTS for NGGCT patients.

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