Solid extratesticular masses in children: radiographic and pathologic correlation.

Objective: The purpose of this pictorial essay is to review the sonographic and pathologic appearances of the most common solid and complex extratesticular masses in children.

Conclusion: Solid or complex extratesticular masses, especially those that are rapidly growing and are painless, raise concerns regarding malignant rhabdomyosarcoma. Mimickers of rhabdomyosarcoma include inflammatory processes such as pseudotumor, chronic epididymitis, or meconium periorchitis.

Clinical and imaging mimickers of acute appendicitis in the pediatric population.

Objective: The purpose of this article is to present the imaging appearance of common mimickers of appendicitis in children with right lower quadrant pain.

Conclusion: The majority of children who undergo imaging for suspected appendicitis will end up having an alternative diagnosis. These mimickers can be gastrointestinal, genitourinary, or pulmonary.