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[A case of synchronous mediastinal and pineal germ cell tumors].

Zhonghua Er Ke Za Zhi

January 2025

Department of Medical Oncology, Pediatric Oncology Center,Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, National Key Clinical Discipline of Pediatric Oncology,Laboratory for Clinical Medicine, Capital Medical University, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing100045, China.

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A 25-year-old male received palliative total gastrectomy plus D1 dissection plus Roux-en-Y reconstruction for hemorrhagic gastric cancer with left Virchow lymph node metastasis in 2013. The final diagnosis was Type 2, pT4a(se), pap>tub2 >hepatoid adenocarcinoma, pN3b, sM1, fStage Ⅳ. Because AFP was as high as 11,000 ng/mL, he was diagnosed with AFP-producing gastric cancer and started S-1 plus CDDP therapy.

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Testicular cancer: new developments, molecular pathology, and current research keynote.

Pathologie (Heidelb)

December 2023

Department of Morphological Sciences, Cordoba University Medical School, Avda. Menendez-Pidal S/N, 14004, Cordoba, Spain.

Germ cell tumors (GCTs) are now considered a curable cancer, with a > 95% cure rate in all patients and about 90% cure rate in patients with metastatic disease. The success of physicians in curing the disease is underpinned by multidisciplinary advances. Of relevance in this regard are the nowadays-applied homogeneous terminology based on pathologically better characterized testicular neoplasms and the development of a widely used risk stratification model for metastatic disease introduced by the International Germ Cell Cancer Collaborative Group in 1997 and updated in 2021.

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Article Synopsis
  • Primary mediastinal germ cell tumors (MGCTs) are rare tumors that have a worse prognosis compared to gonadal germ cell tumors; a study analyzed 35 MGCT patients using [F]FDG PET/CT for better understanding.
  • Visual assessment found that uptake intensity was a significant factor in distinguishing benign from malignant MGCTs, while quantitative analysis revealed that SUVmax and other parameters were significantly higher in malignant cases.
  • The SUVmax showed strong predictive ability in differentiating tumor types and correlating with serum alpha-fetoprotein (AFP) levels, indicating its potential as a diagnostic tool for MGCTs.
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