A 22-year-old white man was found to have malignant teratoma of the testicle (nonseminomatous germ cell testicular tumor), which had been suggested by ultrasonography. Modified template retroperitoneal lymphadenectomy with nerve sparing showed no microscopic metastatic tumor.
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Germ cell tumors in children.
Virchows Arch
January 2025
Department of Pathology and Laboratory Medicine, University of Miami Miller School of Medicine, Miami, FL, USA.
Pediatric germ cell tumors represent a rare but biologically diverse group of neoplasms arising from pluripotent primordial germ cells. The 2022 edition of the WHO Classification of Pediatric Tumors introduced the first organ independent classification of germ cell tumors, reflecting advances in molecular biology, histopathology, and clinical practice. This review highlights the key changes, including the refined distinctions between the different subtypes.
View Article and Find Full Text PDFA novel CUL4B gene variant activating Wnt4/β-catenin signal pathway to karyotype 46, XY female with disorders of sex development.
Biol Res
January 2025
Department of Pediatrics, The First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China.
Background: Karyotype 46, XY female disorders of sex development (46, XY female DSD) are congenital conditions due to irregular gonadal development or androgen synthesis or function issues. Genes significantly influence DSD; however, the underlying mechanisms remain unclear. This study identified a Chinese family with 46, XY female DSD due to the CUL4B gene.
View Article and Find Full Text PDFThe Role of Radioiodine Therapy in Differentiated Thyroid Cancer Arising from Struma Ovarii: A Systematic Review.
J Clin Med
December 2024
Nuclear Medicine, ASST Spedali Civili di Brescia and Università Degli Studi di Brescia, 25123 Brescia, Italy.
: Struma ovarii (SO) is an ovarian teratoma with the presence of ectopic thyroid tissue. Differentiated thyroid cancer (DTC) in SO is a rare finding. Management of DTC in SO is currently not clearly established.
View Article and Find Full Text PDFNon-Invasive miRNA Profiling for Differential Diagnosis and Prognostic Stratification of Testicular Germ Cell Tumors.
Genes (Basel)
December 2024
Department of Biochemistry & Biotechnology, School of Health Sciences, University of Thessaly, 41335 Larissa, Greece.
Background/objectives: Testicular germ cell tumors (TGCT) are common in young adult men and have high cure rates. Conventional serum tumor markers and imaging are not able to differentiate between histologic subtypes of the disease, which portend different prognoses and require distinct therapeutic strategies. Micro-RNAs (miRNAs) are small non-coding transcripts involved in the post-transcriptional regulation of gene expression, which have emerged as promising biomarkers in a variety of tumors.
View Article and Find Full Text PDFStage IV malignant transformation of mature cystic teratoma palliatively treated with concurrent chemoradiotherapy: A case report.
World J Clin Cases
January 2025
Department of Obstetrics and Gynecology, Saku Central Hospital Advanced Care Center, Saku City 385-0051, Nagano, Japan.
Background: Malignant transformation (MT) of mature cystic teratoma (MCT) has a poor prognosis, especially in advanced cases. Concurrent chemoradiotherapy (CCRT) has an inhibitory effect on MT.
Case Summary: Herein, we present a case in which CCRT had a reduction effect preoperatively.
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