Urachal cyst

Case contributed by Domenico Nicoletti
Diagnosis certain

Presentation

Study of bladder lesion detected with sonography

Patient Data

Age: 60 years
Gender: Male

Pelvis

mri
This study is a stack
Axial
T1
This study is a stack
Axial
T2
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Axial
STIR
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Axial
DWI
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Axial
T2 3 mm
This study is a stack
Coronal
T2 3 mm
This study is a stack
Sagittal
T2 3 mm
This study is a stack
Axial
T1 C+
Axial
STIR
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Info

At the level of the anterior-superior wall of the bladder, in the median area, there is a small cystic lesion of 10 mm, with no enhancement. There is no communication between the urinary bladder and abdominal wall.

Case Discussion

The urachus is a fibrous cord that extends cranially from the anterior bladder wall to the umbilicus. Generally, the urachus is obliterated forms a fibrous core before birth but in some cases, it can form a urachal cyst, due to epithelial desquamation and degeneration, which usually develops in the lower third of the urachus.

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