Jain Nikshita,  E Vairamathi,  John Reetu

Final Pr. ID: Poster #: EDU-039

The differential diagnoses of pediatric abdominal and pelvic tumors arising in solid organs are generally well known, but the pathologic features of tumors originating outside these organs—from the peritoneum, omentum, mesentery and adnexa—is much less familiar. Also, the histopathological sampling of these masses can be challenging - given the propensity of intervening bowel, risk of tumor seeding. Primary tumors of the peritoneum in children are usually mesenchymal in origin. Knowledge of the tumors that arise in these unusual locations is important in directing appropriate clinical management. Localized masses may be caused by inflammatory myofibroblastic tumor, Castleman disease, mesenteric fibromatosis, or other mesenchymal masses. Inflammatory myofibroblastic tumor is a mesenchymal tumor of borderline biologic potential that appears as a solitary circumscribed mass. Mesenteric fibromatosis, or intra-abdominal desmoid tumor, is a benign tumor of mesenchymal origin associated with familial adenomatous polyposis. Diffuse peritoneal disease may be due to desmoplastic small round cell tumor (DSRCT), non-Hodgkin lymphoma, or rhabdomyosarcoma. Burkitt lymphoma manifests with extensive disease because of its short doubling time. Rhabdomyosarcoma may arise as a primary tumor of the omentum or may spread from a primary tumour in the bladder, prostate, or scrotum. Knowledge of this spectrum of disease allows the radiologist to provide an appropriate differential diagnosis and direct appropriate patient management. Read More

Authors:  Jain Nikshita , E Vairamathi , John Reetu

Keywords:  Mass, Peritoneum, Adnexa

Noorbakhsh Abraham,  Koning Jeffrey,  Kruk Peter

Final Pr. ID: Poster #: CR-008

We report a case of a 7 year old female who presented to urology clinic due to recurrent urinary tract infections that had started 4 years ago. The patient also reported symptoms of urge incontinence and nocturnal enuresis beginning at the same time. She previously consulted an adult gynecologist, which showed no physical exam evidence of genitourinary abnormalities. An MRI of the abdomen and pelvis was also ordered at that time which reported a normal exam except for a small left renal cyst. At our institution she underwent DMSA renal scan, which was normal. She underwent a voiding cystourethrogram (VCUG), which showed no vesicoureteral reflux. However, during the VCUG, an incidental note was made of large amounts of vaginal reflux extending into the cervix, uterus, and with spillage into the peritoneal cavity presumably via the salpinges. Read More

Authors:  Noorbakhsh Abraham , Koning Jeffrey , Kruk Peter

Keywords:  VCUG, Vaginal Reflux, Peritoneum