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This category contains 29 posts

Retained Products of Conception

History: 35 year old female with vaginal bleeding after 1st trimester miscarriage.  This is a case of retained products of conception. Retained products of conception can occur after miscarriage, abortion, normal delivery, or after a dilatation and curretage procedure. Clinical examination and symptoms of retained products of conception are nonspecific and may mimic those that occur during the … Continue reading

Wilms’ Tumor

History: 3 year old male with palpable left sided abdominal mass Wilms’ tumor is the most common renal malignancy and solid abdominal malignancy of childhood. The median age of patients affected by Wilms’ tumor is 3 years old. Usually Wilms’ tumor presents as a large abdominal mass, and 10% of cases are bilateral. Wilms’ tumor … Continue reading

Bicornuate Uterus with Hematometrocolpos and Hydrosalpinx

History: 13 year old female with pelvic pain This is a case of a bicornuate uterus with hydrosalpinx of the right fallopian tube. Read about Imaging of Mullerian Duct Anomalies. Uterine didelphys ultrasound.

Ovarian Dermoid Cyst MRI

History: 14 year old female with right lower quadrant pain This is the appearance of an ovarian dermoid cyst on MRI, also known as a mature teratoma. The name teratoma gives a clue as to the histology of the dermoid cyst, usually containing parenchymal cell types from all three germ cell layers (mesoderm, endoderm, and … Continue reading

Extraperitoneal Bladder Rupture

History: 25 year old male presents to the emergency room after a fight at a local bar This is a case example of extraperitoneal bladder rupture. In the setting of trauma to the bladder it is important to differentiate extraperitoneal from intraperitoneal rupture. Intraperitoneal bladder rupture has to be repaired surgically, whereas extraperitoneal rupture can … Continue reading

Xanthogranulomatous Pyelonephritis

History: 20 year old female with back pain and urinary tract infection.  This is a case of xanthogranulomatous pyelonephritis, which is defined as a chronic infection of the kidney and surrounding structures, destruction of renal parenchyma, and infiltration with lipid-laden macrophages. It is the lipid-laden macrophages which characteristically give this entity its name “xanthogranulomatous.” Xanthos … Continue reading

Peyronie’s Disease

History: male with penile pain. This is an example of Peyronie’s Disease, which has also been called “induratio penis plastica.” Peyronie’s disease is fibrosis of the tunica albuginea, which is the soft tissue lining the corpora cavernosa in the penis.   This leads to a curved penis with erections and significant penile pain. This can … Continue reading

Solution to Unknown Case #24 – Multilocular Cystic Nephroma on Ultrasound

History: 60 year old male with flank pain.  This is a multilocular cystic nephroma, which is a benign cystic neoplasm of the kidney classically seen in young males and middle aged females. Multilocular cystic nephomas commonly herniate into the renal hilum. It is impossible to distinguish multilocular cystic nephromas from malignant cystic tumors on imaging … Continue reading

Unknown Case #24 – Right Kidney Ultrasound

History: 60 year old male with flank pain.  What is your diagnosis for this 60 year old male with flank pain? Comment and share below!

CT Abdomen and Pelvis Coronal Anatomy in the Male

The following slides are from WikiRadiography (WetPaint) here.