Results 21 to 30 of about 42,639 (193)

Primary Nasopharngeal Yolk Sac Tumor: A Case Report [PDF]

Journal of Clinical and Diagnostic Research, 2016
Yolk sac tumour also known as primitive endodermal tumour is the most common malignant germ cell tumour (GCT) in the paediatric age group. Most common sites of involvement are ovaries and testes, but rarely can occur in the extragonadal sites.
Dhanalakshmi Arumugam, Pavithra Thandavarayan, Lalitha Chidambaram, Sudha Boj, Sumathi Marudasalam   +4 more
doaj   +1 more source

Urachal yolk sac tumor penetrating the bladder as a diagnostic challenge: a case report and review of the literature

Diagnostic Pathology, 2022
Background Yolk sac tumor (YST) is a germ cell tumor. It is primarily located in the gonads but can also occur extragonadally (extragonadal yolk sac tumor - EGYST), most commonly in the pelvis, retroperitoneum or mediastinum.
Vladimír Šámal, Tomáš Jirásek, Vít Paldus, Igor Richter, Ondřej Hes   +4 more
doaj   +1 more source

Pure primary yolk sac tumor of the endometrium tends to occur at a younger age: A case report and literature analysis

SAGE Open Medical Case Reports, 2021
We present a case of primary yolk sac tumor of the endometrium. This rare tumor occurred in a 43-year-old woman with a pure primary yolk sac tumor. The tumor resembled yolk sac tumor morphology of the ovary.
Huijuan Ge, Rui Bi
doaj   +1 more source

THE ROLE OF SALMONELLA SPECIES AS A CAUSE OF OMPHALITIS IN BABY CHICKS IN ASSIUT GOVERNORATE [PDF]

Assiut Veterinary Medical Journal, 2014
A total of 130 diseased and dead broiler chicks of 1-10 days of age obtained from different sources were examined; yolk sac samples from these chicks were cultured and the bacteria were isolated and identified on biochemical tests.
NAGLAA M. ALI, AML A. BAKHEET, SHAHERA M. RASHAD   +2 more
doaj   +1 more source

Rare Giant Pure Yolk Sac Tumor Originating from Cryptorchidism in an Adult. [PDF]

Cancer Manag Res
Hengjiang Wu,1,* Yu Zhang,2,* Wei Zheng,1 Huayu Bao,1 Yuandi Fu,1 Qijian Su2 1Department of Urology, The First People’s Hospital of Qinzhou, Qinzhou, Guangxi Zhuang Autonomous Region, People’s Republic of China; 2Department of Scientific ...
Wu H, Zhang Y, Zheng W, Bao H, Fu Y, Su Q.   +5 more
europepmc   +3 more sources

KIT Is Required for Fetal Liver Hematopoiesis

Frontiers in Cell and Developmental Biology, 2021
In the mouse embryo, endothelial cell (EC) progenitors almost concomitantly give rise to the first blood vessels in the yolk sac and the large vessels of the embryo proper.
Alessandro Fantin, Alessandro Fantin, Carlotta Tacconi, Emanuela Villa, Elena Ceccacci, Laura Denti, Christiana Ruhrberg   +6 more
doaj   +1 more source

A Rare Manifestation of Cervical Yolk Sac Tumor in an Unfortunate Infant [PDF]

, 2019
Paediatric germ cell tumor is composed of various neoplasms which exhibit capricious clinical presentation and histological features depending on the age and the area of presentation.
Norzaliana Zawawi, Wan Nur Najmiyah Wan Abdul Wahab, Jeyasakthy Saniasiaya, Hazama Mohamad, Suzina Sheikh Ab Hamid   +4 more
core   +1 more source

Fate-Mapping of Yolk Sac-Derived Macrophages [PDF]

, 2023
To better understand the distinct functions of yolk-sac-derived tissue-resident macrophages (TRMs) and bone-marrow-derived macrophages in homeostasis and disease, it is important to trace the ontogeny of these cells.
Mass, Elvira, Splichalova, Iva
core   +1 more source

Cushing’s syndrome caused by ACTH precursors secreted from a pancreatic yolk sac tumor in an adult—a case report and literature review

Frontiers in Medicine, 2023
Here, we report the first adult case of pancreatic yolk sac tumor with ectopic adrenocorticotropic hormone (ACTH) syndrome. The patient was a 27-year-old woman presenting with abdominal distension, Cushingoid features, and hyperpigmentation.
Johnny Yau Cheung Chang, Chariene Shao Lin Woo, Wing Sun Chow, Anne White, Ka Chung Wong, Po Tsui, Alan Chun Hong Lee, Eunice Ka Hong Leung, Yu Cho Woo, Kathryn Choon Beng Tan, Karen Siu Ling Lam, Chi Ho Lee, David Tak Wai Lui   +12 more
doaj   +1 more source

Which parameters – rates of survival or growth – determine the best moment for stocking trout larvae?

Archives of Polish Fisheries, 2015
The aim of this study was to determine the best moment to stock trout, Salmo trutta L., larvae into the wild. This goal was accomplished by determining weekly changes in the growth parameters of larvae that were fed in seven variants: on the day of 2/3 ...
Domagała Józef, Czerniawski Robert, Pilecka-Rapacz Małgorzata   +2 more
doaj   +1 more source