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Christmas tree appearance - neurogenic bladder

Case contributed by Mohammad Taghi Niknejad
Diagnosis almost certain

Presentation

Previous spinal trauma.

Patient Data

Age: 55 years
Gender: Male

Micturating cystourethrogram

Fluoroscopy

Tree-shaped urinary bladder with wall hypertrophy which causes an irregular outline. Features compatible with Christmas tree appearance of neurogenic bladder.

Case Discussion

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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