Pine cone bladder

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain

Presentation

Long standing bladder neck obstruction due to prostate enlargement.

Patient Data

Age: 85 years
Gender: Male
Fluoroscopy

There is vertical urinary bladder with wall hypertrophy and several out pouching which causes an irregular outline resembling Pine cone appearance.

Case Discussion

Pine cone bladder also known as Christmas tree bladder is a cystographic appearance which is usually seen in severe neurogenic bladder with increased sphincter tone. It's not pathognomonic and may also be seen in bladder neck obstruction due to non-neurogenic causes.

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