Results 31 to 40 of about 1,480 (145)

The Homeobox Genes: Classification, Regulation, Biological Functions, and Diseases

MedComm, Volume 7, Issue 4, April 2026.
Overview of the homeobox gene superfamily and its pathophysiological roles. The homeobox superfamily comprises several major classes, including ANTP, PRD, TALE, LIM, POU, and others. Among these, the HOX clusters (A–D) play critical roles in embryonic development specifically in conferring cellular identity, regulating morphogenesis, and guiding axial ...
Maedeh Dadzadi, Shahin Ramazi, Mona Darvazi, Sepideh Yoosefi, Melika Abbasi, Shirin Farsad   +5 more
wiley   +1 more source

A Rare Presentation of Teratocarcinosarcoma as a Carinal Mass With Review of Literature

Respirology Case Reports, Volume 14, Issue 4, April 2026.
We report a rare presentation of teratocarcinosarcoma arising at the carina with bilateral main bronchial obstruction, resulting in critical airway compromise. Urgent bronchoscopic debulking followed by definitive chemoradiotherapy achieved sustained disease control with no recurrence at 4‐year follow‐up. This case highlights the importance of accurate
Gittwa Kottangal, Vishnu Gopalakrishnan, Binil Salam, Avinash Murugan, Supriya Ranjith, Pramathakala Mettak, Vishnu Suresh   +6 more
wiley   +1 more source

Sacrococcygeal teratoma with yolk sac elements (endodermal sinus tumors) in two years old child

مجلة كلية الطب, 2009
Background: Sacrococcygeal teratoma is seen in 1 in every 35000 live births, and is the most common tumor presenting in newborn and children but also reported in adults.(1) Sacrococcygeal teratoma are the most common type of germ cell tumors (both benign
Lubab F. Talal, Enam A. Khalid
doaj   +1 more source

Primary yolk sac tumor of seminal vesicle: a case report and literature review

World Journal of Surgical Oncology, 2012
Background Yolk sac tumor (endodermal sinus tumor) is a rare malignant germ cell tumor arising in the testis or ovary. Extragonadal yolk sac tumor is even rarer and has only been described in case reports.
Yao Xu-Dong, Hong Ya-Ping, Ye Ding-Wei, Wang Chao-Fu   +3 more
doaj   +1 more source

Early diagnosis and treatment challenges of endodermal sinus tumors: A case report

Case Reports in Women's Health, 2020
Background: Ovarian endodermal sinus tumors (ESTs) are rapidly growing and highly malignant tumors that respond well to chemotherapy. They can be difficult to diagnose and delayed diagnosis can worsen prognosis. Case: We present the case of a 20-year-old
Madeline F. Perry, Amanda L. Jackson, Thomas J. Herzog, Caroline C. Billingsley   +3 more
doaj   +1 more source

Long-term survival without recurrence after surgery for gastric yolk sac tumor-like carcinoma: a case report

Surgical Case Reports, 2021
Background Gastric yolk sac tumor (YST)-like carcinoma is extremely rare, and its prognosis is poor, because most patients have widespread metastases at the time of diagnosis.
Hibiki Umeda, Satoru Kikuchi, Shinji Kuroda, Shuya Yano, Takehiro Tanaka, Kazuhiro Noma, Masahiko Nishizaki, Shunsuke Kagawa, Yuzo Umeda, Toshiyoshi Fujiwara   +9 more
doaj   +1 more source

Prevalence and Management of Nonepithelial Ovarian Cancer in a Sub‐Saharan African Setting

Obstetrics and Gynecology International, Volume 2026, Issue 1, 2026.
Background Nonepithelial ovarian cancers (NEOCs) comprise a group of uncommon malignancies which can be challenging to treat. This broad term includes germ cell tumors, sex cord–stromal tumors, and rare types of ovarian cancer, such as small‐cell carcinomas and sarcomas.
Biruck Gashawbeza Batu, Mekitie Wondafrash, Amanuel Yeneneh Teka, Don Eliseo Lucero-Prisno III, Abraham Fessehaye Sium, Karuna Sharma   +5 more
wiley   +1 more source

Germ cell and other tumors in individuals with differences in sex development

CA: A Cancer Journal for Clinicians, Volume 75, Issue 6, Page 587-601, November/December 2025.
Abstract Approximately one in 3500 to one in 5100 live‐born infants have atypical external genital development, known as differences in sex development (DSD). In 2005, an expert consensus conference thoroughly reviewed aspects of health care for individuals with DSD.
Selma Feldman Witchel, Miguel Reyes‐Múgica   +1 more
wiley   +1 more source

Ovarian cysts and tumors in infancy and childhood

Journal of Indian Association of Pediatric Surgeons, 2013
Aim: Review of the clinical presentation, types (histology), and stages of presentation and overall outcome of ovarian tumors. Materials and Methods: This is a retrospective study.
Madhumita Mukhopadhyay, Ram Mohan Shukla, Biswanath Mukhopadhyay, Kartik C Mandal, Amit Ray, Neha Sisodiya, Mahadev Prasad Patra   +6 more
doaj   +1 more source

Germ Cell Tumor Presenting with Precocious Puberty in a Girl in United Arab Emirates

Dubai Medical Journal, 2020
We herein report a rare case of malignant mixed germ cell tumor comprising both an embryonal carcinoma (60%) and a yolk sac tumor (40%). A 7-year-old girl presented to the emergency department with persistent vaginal bleeding, abdominal pain, and ...
Asim Noor Rana, Hani Humad, Aeman Muhammad Asif, Dana Ghannam, Nadia Nadeem   +4 more
doaj   +1 more source