Christmas Tree Appearance Of Urinary Bladder. The appearances have been described as a christmas tree of pine cone bladder. 2012 farlex inc.
After reviewing an eight year old boy with nocturnal enuresis urinary tract infections and a christmas tree bladder with upper tract compromise on imaging in the absence of any underlying neurological abnormality he identified a new phenomenon and called it the non neurogenic neurogenic bladder. The shape of the bladder is highly abnormality with an elongated appearance with the dome like top of a christmas tree. A pine cone bladder or christmas tree bladder is a cystogram appearance in which the bladder is elongated and pointed with thicken bladder radiology pine cones.
The associated bladder wall hypertrophy gives an outline which mimics the decorations that adorn a christmas tree.
Neurogenic bladder typically occurs in those with sacral abnormalities at birth. A pine cone bladder or christmas tree bladder is a cystographic appearance in which the bladder is elongated and pointed with a thickened trabeculated wall. It s not pathognomonic and may also be seen in bladder neck obstruction due to non neurogenic causes. It is typically seen in severe neurogenic bladder with increased sphincter tone detrusor sphincter dyssynergia due to suprasacral lesions above s2 s4 or epiconal lesions in and around s2 s4.