Obgyn Key

Fig. 9.1 Normal anatomy (Courtesy of Joao Paulo Kawaoka Matushita Junior, AC Camargo-Cancer Center) Embryology and Anatomy of the Genitourinary Tract In the 5th week of gestation, the ureteric bud (metanephric duct) becomes…

Fig. 11.1 Normal anatomy is shown above. (a) Sagittal T1. (b) Coronal T2. Legend: Red arrow: pituitary anterior lobe (adenohypophysis), Orange: pituitary posterior lobe (neurohypophysis), Blue: optic chiasm, Purple: pituitary…

  Congenital Acquired   Mechanism Clinical and imaging findings  Mechanism Clinical and imaging findings Hyperandrogenism 21OH-CAH Gonadal axis blockade Genital ambiguity (classical forms) TART Adrenal tumor Sexual virilization Adrenal mass. Hormonal…

Fig. 3.1 (a) Balloon obscured lower uterine segment after initial placement. (b) balloon deflated at the end of study. (c) Uterine congenital anomalies, typically with a single external cervical os,…

Fig. 2.1 Pathognomonic appearance of the polycystic ovary at laparotomy. Enlarged ovary with multiple small follicles (Image courtesy of Dr. Dorival Gomide Ramos) The involvement of the hypothalamic-pituitary axis in…

Fig. 6.1 (a) Longitudinal section, showing hypoechoic and intramural myoma in the posterior region of the cervix (red arrow), compressing the cervical canal. (b) Color Doppler showing central and peripheral…

Sperm production abnormalities Chromosomal or genetic causes Undescended testes Infection Testicle torsion Varicocele Radiation damage Other unknown causes Blockage of sperm ejaculate Infection Prostatic disease Absence of vas deferens Vasectomy…

Fig. 4.1 Right adnexal region inflammatory process: ultrasound demonstrating the tortuous and dilated fallopian tube, filled with liquid, and the ovary with increased dimensions, compatible with tube and ovary abscesses….

Fig. 1.1 Transvaginal ultrasound of the ovary, showing the normal anatomy The pelvic and urogenital diaphragms form the pelvic floor. The former is a funnel-shaped fibromuscular partition that creates the…