Christmas tree bladder

Case contributed by Mohammadtaghi Niknejad


Poor urinary stream and prolonged urinary bladder outlet obstruction.

Patient Data

Age: 75 years
Gender: Male

Tree-shaped urinary bladder with wall hypertrophy causes an irregular outline accompanied by multiple small outpouchings inferring diverticula.

Features are compatible with the Christmas tree bladder, also known as the pine cone bladder.

Case Discussion

Christmas tree bladder is usually seen in severe neurogenic bladder with increased sphincter tone. It's not pathognomonic and may also be seen in bladder outlet obstruction due to non-neurogenic causes.

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