This tag is associated with 10 posts

Male versus Female Pelvis – Labeled Radiographic Anatomy

The following images are from WikiRadiography (WetPaint) here. See more differences between the male and female pelvis.

The Differences Between the Male and Female Pelvis

Recently I shared a case of Peyronies disease. Many people thought it was showing an intrauterine device. Therefore, I created the following image to discuss the differences between the female and male pelvis. The male pelvic inlet is narrower than the female pelvic inlet and is more heart shaped, whereas the female pelvic inlet is … Continue reading

CT Abdomen and Pelvis Coronal Anatomy in the Male

The following slides are from WikiRadiography (WetPaint) here.  

Unknown Case #12 – Pediatric Pelvis Radiograph

History: Adolescent with hip pain. What is your diagnosis? Comment and share below!


History: 35 year old female with pelvic pain.  Endometriosis is a condition in which endometrial cells (the cells that line the inside of the uterus) are found outside of the uterus within other areas of the body. Patients typically complain of painful menstruation, irregular bleeding, and infertility. When endometrial tissue forms a localized mass, such as … Continue reading

Ectopic Pregnancy – The Tubal Ring Sign, Ring of Fire, and Pseudogestational Sac

History 28 year old female presenting with right lower quadrant pain. Positive urine pregnancy test. This is a case of a tubal ectopic pregnancy. The differential diagnosis in this case includes corpus luteum of pregnancy, incidental adnexal mass, and intrauterine pregnancy. A corpus luteum of pregnancy will typically show the classic “ring of fire” pattern, … Continue reading


History: 18 year old female with pelvic pain. On further imaging evaluation with ultrasound, the fluid filled structures in the pelvis turned out to be the right horn of a uterine didelphys and the right portion of the vagina, which was obstructed by a transverse septum. Look again at the image above. The left horn of … Continue reading

Ovarian Fibroma on Ultrasound

History: 40 year old female with pelvic pain. The imaging appearance here is consistent with a solid adnexal mass. The differential diagnosis in this case includes pedunculated uterine fibroid, ovarian torsion, Brenner Tumor, fibroma or fibrothecoma, lymphadenopathy, GI tumors and Bladder tumors. The final diagnosis on pathology was ovarian fibroma. These are benign tumors of … Continue reading

Vasa Previa

History: 25 year old female G5P0 presents for fetal anatomy scan at 19 weeks gestational age.  This is the ultrasound appearance of vasa previa. Vasa previa is when the umbilical cord vessels course across the internal cervical os, putting the patient and baby at risk for hemorrhage during delivery. Vasa previa is seen independently of … Continue reading

Femoral Hernia

History: 48 year old male presents with abdominal pain, nausea and vomiting and a new right groin mass. This patient was also found to have a small bowel obstruction secondary to the right femoral hernia.