[Turner syndrome: mosaic and isochromosome q in a young African woman].

Med Trop (Mars)

Laboratoire de Cytologie Clinique et Cytogénétique, Faculté de Médecine d'Abidjan, Côte d'Ivoire.

Published: June 1995

The authors describe the first case reported in Ivory Coast of an 18-year-old African girl for a small size and amenorrhea and failure to reach puberty. There was no dysmorphism. The uterus was infantile. X-ray examination of the skeleton revealed early osteoporosis and KOSOWICZ sign. Hormonal evaluation demonstrated hypertrophic hypogonadism. Diagnosis of TURNER's syndrome was confirmed by karyotype obtained by culture of peripheral blood and which was 46,Xi (Xq)/45,X, associating a mosaic and isochromosome q. Hormonal therapy induced menstruation and led to normal breast development. This case report confirms that these syndromes occur in Black Africa where diagnosis remains difficult due to the sophisticated facilities required.

Download full-text PDF

Source

Publication Analysis

Top Keywords

mosaic isochromosome
8
[turner syndrome
4
syndrome mosaic
4
isochromosome young
4
young african
4
african woman]
4
woman] authors
4
authors describe
4
describe case
4
case reported
4

Similar Publications

Background: Structural variation (SV), defined as balanced and unbalanced chromosomal rearrangements >1 kb, is a major contributor to germline and neoplastic disease. Large variants have historically been evaluated by chromosome analysis and now are commonly recognized by chromosomal microarray analysis (CMA). The increasing application of genome sequencing (GS) in the clinic and the relatively high incidence of chromosomal abnormalities in sick newborns and children highlights the need for accurate SV interpretation and reporting.

View Article and Find Full Text PDF

Isochromosome Mosaic Turner Syndrome With Concomitant Hypopituitarism and Multiple Meningiomas.

Cureus

August 2024

Department of Internal Medicine, Sri Ramaswamy Memorial (SRM) Medical College Hospital and Research Centre, SRM Institute of Science and Technology, Kattankulathur, IND.

Isochromosome mosaic Turner syndrome (IMTS) is a rare genetic variant of Turner syndrome (TS). The diagnosis of TS can be missed until adolescence or early adulthood in females with minimal symptoms. The clinical features of mosaic TS can be atypical and should be evaluated thoroughly to detect potential complications.

View Article and Find Full Text PDF
Article Synopsis
  • The study aims to investigate the link between structural chromosomal abnormalities and clinical symptoms in a 13-year-old girl with gonadal dysplasia, focusing on her primary amenorrhea and health conditions.
  • Clinical evaluations revealed significant hormonal changes, small ovaries, and a specific chromosomal karyotype indicating abnormalities involving the X chromosome, which differ from her parents' normal karyotypes.
  • Findings suggest that her unique chromosomal structure contributed to her reproductive system issues, resembling Turner syndrome, while physical growth (height) remained unaffected.
View Article and Find Full Text PDF

Introduction: Turner syndrome (TS) is the most common sex chromosome abnormality in women, caused by a complete or partial absence of the second sex chromosome. The karyotype 46, X,i(Xq) is the underlying cause in about 10% of the cases of TS. Hepatic abnormalities are frequent in TS.

View Article and Find Full Text PDF

Defining the cellular origin of seminoma by transcriptional and epigenetic mapping to the normal human germline.

Cell Rep

June 2024

Department of Biomedical Sciences, University of Pennsylvania School of Veterinary Medicine, 3800 Spruce Street, Philadelphia, PA 19104, USA; Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, 3400 Spruce Street, Philadelphia, PA 19104, USA; Institute for Regenerative Medicine, University of Pennsylvania, 3400 Civic Center Boulevard, Philadelphia, PA 19104, USA. Electronic address:

Article Synopsis
  • Aberrant male germline development can cause a type of cancer called seminoma, which is a tumor in the testicles.
  • Seminomas are similar to early-stage germ cells and often have an extra piece of chromosome 12.
  • Researchers are studying seminomas using special cells from patients to understand what causes this cancer and how it forms, since there aren't any mouse models to help with this research.
View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!