Results 31 to 40 of about 7,716 (245)
A sinonasal yolk sac tumor in an adult [PDF]
Journal of Pathology and Translational Medicine, 2022 Yolk sac tumors (YSTs), which are also called endodermal sinus tumors, are malignant tumors of germ cell origin. These tumors usually occur in the gonads, but 20% of cases have been reported at extragonadal sites.
Jaehoon Shin +3 more
doaj +1 more source
A large yolk sac malignancy in a girl, an uncommon yet challenging ovarian tumor: A case report. [PDF]
Clin Case Rep, 2023 A large Yolk sac tumor in the left ovary. Key Clinical Message Yolk sac tumors are rare and malignant germ cell tumors of the ovary occurring in children and young women. Fertility‐sparing surgical intervention with adjuvant chemotherapy has shown to improve prognosis.
Poudel A +8 more
europepmc +2 more sources
Endodermal sinus tumor: a rare cause of calcified peritoneal implants. [PDF]
Cancer Imaging, 2009 Lal A +3 more
europepmc +3 more sources
Rijetki intrakranijski multifokalni ne-germinomatozni tumor zametnih stanica kod 18-godišnjeg mladića: prikaz slučaja [PDF]
, 2023 Intracranial germ cell tumors are rare brain tumors that are distinguished based on their histology and selected tumor markers. Non-germinomatous germ cell tumors are a diverse group of such tumors having the poorest prognosis.
Gamulin, Marija +3 more
core +2 more sources
Yolk sac tumour in pre-pubertal girl: a case report [PDF]
, 2023 The commonest malignant ovarian tumour in the adolescent group is yolk sac tumour. It is commonly encountered in adolescents and young women. Incidence is 1% of all ovarian tumours. We reported a case of yolk sac tumour in a 9-year-old girl who presented
Duraisamy, Sangavi +5 more
core +2 more sources
Endodermal sinus tumor of the vagina. [PDF]
American Journal of Roentgenology, 1997 A 13-month-old girl presented with vaginal bleeding. CT was performed that showed a large mass arising within the lower pelvis, in the midline, elevating the bladder (Fig. lA) and causing bilateral hydronephrosis. The mass had slightly heterogeneous soft-tissue attenuation but was not calcified. A normal uterus and cervix could not be identified.
F S Chew, L A Grygotis
openaire +3 more sources
Developmental Dynamics, Volume 252, Issue 9, Page 1189-1223, September 2023., 2023 Abstract Background Many developmental processes are coregulated by apoptosis and senescence. However, there is a lack of data on the development of branchial arches, epibranchial placodes, and pharyngeal pouches, which harbor epibranchial signaling centers.
Stefan Washausen, Wolfgang Knabe
wiley +1 more source
Veterinary Medicine and Science, Volume 9, Issue 2, Page 876-883, March 2023., 2023 Drawing of an ultimobranchial sinus, a spontaneous congenital defect detected in an old rat. Abstract Background In mammals, the thyroid gland possesses two types of endocrine cells, follicular cells and C cells, which have different functions but share a similar endodermal origin (although from different regions of the primitive pharynx). Specifically,
Victoria Vázquez‐Román +2 more
wiley +1 more source
The role of p63 in embryonic external genitalia outgrowth in mice
Development, Growth &Differentiation, Volume 65, Issue 2, Page 132-140, February 2023., 2023 We investigated the role of p63 during embryonic external genitalia development. We found that p63 is a key component of the signaling pathway that triggers Fgf8 expression in the distal urethral epithelium and contributes to embryonic external genitalia outgrowth.
Kosei Tanaka +4 more
wiley +1 more source
Yolk sac tumor of the parotid gland in a child and its differentials
Journal of Indian Association of Pediatric Surgeons, 2022 Yolk sac tumors (YST) (or endodermal sinus tumors) are rare neoplasms of germ cell origin that have been reported in gonadal sites (testis and ovary). Extragonadal YST are uncommon and are extremely rare in the extracranial head-and-neck regions.
Riddhi Jaiswal, Swati Agnihotri
doaj +1 more source