Presentation
Palpable lump on the anterior abdominal wall. No prior surgery. No trauma.
Patient Data
2 cm spiculated right lower midline anterior abdominal wall mass abutting the rectus sheath.
A small enhancing linear focus of tissue communicates with the mass and towards the anterior aspect of the dome of the bladder.
The upper abdomen is normal in appearance.
Case Discussion
An image-guided biopsy of this deep anterior abdominal wall mass was undertaken.
HISTOLOGY: Urachal carcinoma
Carcinoma is one of a range of urachal abnormalities which can occur. Be careful to look for the communication, sometimes subtle, with the dome of the bladder.