The clinical imaging and pathology of a rare case of immature teratoma of the placenta is presented with a discussion of controversies related to classification and clinical suggestions for therapy and follow-up.
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Atypical mediastinal mass in the fetus: a review of the literature.
Arch Gynecol Obstet
January 2025
Department of Congenital Cardiac Surgery, IRCCS Policlinico San Donato, 20097, San Donato, Milan, Italy.
Objectives: Congenital thoracic masses (CTMs) are suspected in presence of solid or cystic thoracic lesions at ultrasound. The common typical fetal CTMs encompass: hyperechogenic lung lesions such as congenital pulmonary airway malformation (CPAM), broncopulmonary sequestration (PS) and congenital high airway obstruction syndrome (CHAOS); less common solid thoracic masses are mediastinal/pericardial tumors as rhabdomyoma and teratoma. The aim of our study is to gather the available evidence on cases of atypical CTMs of difficult classification, for which the diagnosis remains often uncertain.
View Article and Find Full Text PDFFamilial History in Ovarian Teratomas Is a Frequent Event: 22 Years' Experience at a Single Center.
Pediatr Blood Cancer
January 2025
Department of Pediatric Surgery, Urology and Transplantation, Hôpital Universitaire Necker-Enfants Malades, APHP, Université de Paris Cité, Paris, France.
Background: Ovarian mature teratoma represents the most common benign neoplasm among pediatric germ cell tumors. This study reports the prevalence and characteristics of familial forms identified in a single center over 22 years in order to better understand possible familial predispositions to ovarian teratoma.
Methods: The records of all patients who were surgically treated for ovarian teratoma between 2000 and 2022 were retrospectively reviewed.
[Tamponnade due à la rupture d'un tératome mature : un cas rare].
Ann Cardiol Angeiol (Paris)
January 2025
Cardiology Department, Ibn Rochd Hospital University, Casablanca, Morocco.
Introduction: Mature teratomas, a diverse group of germ cell tumors, rarely present with complications such as rupture.
Case Presentation: We present a case of a 27-year-old male who was admitted to our hospital with acute dyspnea. A tamponade was diagnosed and the patient underwent a pericardial puncture.
Fistula formation after excision of extraperitoneal paravaginal teratoma.
Taiwan J Obstet Gynecol
January 2025
Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 704302, Taiwan. Electronic address:
Objective: Mature extragonadal teratomas, particularly at the pelvic extraperitoneal site, are rare. Herein, we report a case of paravaginal teratoma and fistula formation five years post-operation.
Case Report: A 23-year-old woman (G4P3A1) presented with a left paravaginal cystic tumor.
Capture primed pluripotency in guinea pig.
Stem Cell Reports
December 2024
Center for Cell Lineage and Development, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; CAS Key Laboratory of Regenerative Biology, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China, Guangzhou Medical University, Guangzhou 511436, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Centre for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Sciences, Hong Kong SAR, P.R. China. Electronic address:
Guinea pigs are valuable models for human disease research, yet the lack of established pluripotent stem cell lines has limited their utility. In this study, we isolate and characterize guinea pig epiblast stem cells (gpEpiSCs) from post-implantation embryos. These cells differentiate into the three germ layers, maintain normal karyotypes, and rely on FGF2 and ACTIVIN A signaling for self-renewal and pluripotency.
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