PPT-Gonadal dysgenesis & gonadal tumors

Maryam Tohidi Associate professor of anatomical amp clinical pathology Research Institute for Endocrine Sciences Shahid Beheshti University of Medical Sciences Gonadal dysgenesis. SCI. MAR., 69 (1): 87-97SCIENTIAMARINA2005 Histological study of the gonadal development of Ruditapes decussatus(L.) (Mollusca: Bivalvia) and its relationship with available food* *Received January 12 present. The gonadal index was measured accord- from Lesserved hadan approximately equal etes, Cucumaria frondosa. Relative frequency ofdifferent gametogenetic stages in small and largetubules of ma Gaurav. . Nahar. DNB Urology(Std.). MMHRC. INTRODUCTION. Normal sexual differentiation. : Three steps-. establishment of chromosomal sex at fertilization(46,XX or 46,XY). development of undifferentiated gonads into testes or ovaries, and . Retroperitoneum Part A. Holdorf. Outline. Anatomy. Curs of the diaphragm. Peritoneum. Retroperitoneum. Abdominal Aorta. Inferior Vena Cava. Azygos/Hemiazygos Veins. Ascending Lumbar veins. Retroperitoneal fibrosis. Retroperitoneum Part A. Holdorf. Outline. Anatomy. Curs of the diaphragm. Peritoneum. Retroperitoneum. Abdominal Aorta. Inferior Vena Cava. Azygos/Hemiazygos Veins. Ascending Lumbar veins. Retroperitoneal fibrosis. a case report. Presented by: B . Rezvankhah. M.D. March 2017. Approximately . 1 in every . 4500 babies . has atypical (ambiguous) . genitalia. DSDs can present . in many other ways, such as . karyotype-phenotype discordance . . Presenter: . Dr. . Soreingam. . Ragui. A. Intersex and Microscopic Identification of Sex. Introduction. Intersex : intermingling of sexual characters of both sexes in varying degrees in one individual.. Primary amenorrhea and delay puberty . FSH ↑. Hypothyroidism. Alopecia . Karyotype. :46 XY. Sonography. 1: . small and . hypoplastic. uterus. MRI :34*7 mm uterus (sever . hypoplasia. ). A series of sequential diagnostic steps help with the precise identification of a cause of primary . DSD). Shridhan. A . Patil. DNB . Trainee. RCC, Trivandrum. 06 . December. 2011. Disorders of Sexual Development (DSDs). Terminology. Chromosomal sex . Describes X and/or Y complement . Determined at fertilization. . 99.8.5 . PROBLEM LIST. 13y/o girl with:. Hisutism. Amenorrhae. Increased testosterone level. Streaky gonad. Pelvic mass. Left . salpingo. -oophorectomy. Gonadoblastoma. . H. . Hasuwa. et al., . Science. 341: 71-73, 2013. Title: “miR200b and miR429 function in mouse ovulation and are essential for female fertility”. Review: hypothalamic-pituitary-gonadal axis. Main question: . By Mahima Gulati, A. Wayne Meikle. The Testes. By sixth week of development. , . primordial germ cells have migrated to gonadal ridges (primitive gonads).. At this stage, the gonad is bipotential; 46 XX or 46 XY. Dr. . Laila. Al . Dokhi. Assistant Professor. Department of Physiology. Objectives. By the end of this lecture, you should be able to:. Characterize hypothalamic pituitary relationship. Name the . hypophysiotropic. Sex hormones (estrogens & androgens) are produced & secreted from gonads.. Both in male (androgens) & female (estrogens and . progestogins. ). They are necessary for conception, embryonic maturation, & development of primary & secondary characteristics at puberty..