Results 81 to 90 of about 42,639 (193)
, 2009 Yolk sac tumor is a rare germ cell neoplasm occurring mainly in the gonads. Extragonadal yolk sac tumor is a very rare malignancy; its main distribution is along the midline of the body at three principal sites: mediastinum, central nervous system and ...
Nadia Puma +9 more
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Yolk sac morphology in cephalopod embryos
, 2002 The basic pattern of cephalopod embryogenesis is uniform, whereas the specific ovum sizes vary from less than 1 mm to about 30 mm. The organ-forming part (called the "embryo cap", or the "embryo proper") of the epibolic gastrula covers a larger (in small
Boletzky, Sigurd von
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Malignant Yolk Sac Tumor in Neonate: A Management Dilemma
, 2018 Neonatal sacrococcygeal teratoma with yolk sac tumour is rare. We report a case of sacrococcygeal teratoma which was proven to be yolk sac tumor after excision. The patient developed complications related to chemotherapy.
Manish Pathak +2 more
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Primary yolk sac tumor in the thoracic wall: Case report
, 2009 Malignant extragonadal germ cell tumors primary to the thoracic wall are quite uncommon lesions, but pure yolk sac tumor is even more exceptional. This is believed to be the first reported case of yolk sac tumor of the chest wall.
Özçelik, Cemal +3 more
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Yolk sac infection in a broiler flock: a case report
, 2002 A case of yolk sac infection is reported among 500 broiler chicks bought for National Root Crop Research Institute, Umudike, Poultry Project. From the day of receipt the birds were depressed, dull with distended abdomen.
Amaechi, N., N. Amaechi
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Mediastinal yolk sac tumor infiltrating the heart
, 2018 Background: As a rare tumor, yolk sac tumor is a type of neoplasm that appears like the yolk sac, extraembryonic mesenchyme, and allantois. The mediastinum is the second most frequent area after the gonadal area. Case report: We present an extremely rare
Nurwidya, F. +4 more
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Development of of yolk sac inversion in Galea spixii and Cavia porcellus (Rodentia, Caviidae)
, 2012 Caviomorph development includes an inverted yolk sac. Since principle processes are not understood, we investigated its differentiation in Galen and re-examined material from the guinea pig.
Favaron, P. O. +6 more
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Exogenous VEGF rescues Yy1 cKO yolk sac defects.
, 2013 A–Y) WT and cKO embryos cultured from 8.5–9.5 dpc in the presence (+VEGF) or absence (−VEGF) of VEGF. A–E) WT cultured embryos display normal yolk sac vasculature (A–A’), typical embryonic size (inset in A) and the presence of YY1 (brown) in the visceral
Pablo Ortiz-Pineda (390226) +5 more
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Yolk Sac Tumor of the Ovary in Mosaic 46XX Turner Syndrome
Alfonsus Zeus Suryawan, Dian Tjahyadi, Martin Hermawan, Doni Aprialdi Department of Obstetrics and Gynecology; Universitas Padjadjaran, Bandung, IndonesiaCorrespondence: Alfonsus Zeus Suryawan, Department of Obstetrics and Gynecology, Universitas ...
Tjahyadi D +3 more
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Are Abnormal Yolk Sac Characteristics Important Factors in Abortion Rates? [PDF]
International Journal of Fertility and Sterility, 2012 Background This study was undertaken to determine if there were different abortion rates between normal and abnormal yolk sacs. Materials and Methods In this cohort study, the yolk sac characteristics of 193 consecutive pregnant women, of 5-6.5 ...
Sanam Moradan, Mohammad Forouzeshfar
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