1) Urinary bladder disorder 
Trigonitis is a condition of inflammation of the trigone region of the bladder. It is more common in women. The cause of trigonitis is not yet known, and there is no solid treatment yet. Electrocautery is sometimes used, but is generally unreliable as a treatment, and typically does not have quick results. Several drugs, such as muscle relaxants, ...
Inflammation of the urinary bladder, localised in the trigone. ... Origin: trigone + G. -itis, inflammation ... (05 Mar 2000) ... 
(trig″o-ni´tis) inflammation or localized hyperemia of the vesical trigone.
Type: Term Pronunciation: trī′gō-nī′tis Definitions: 1. Inflammation of the urinary bladder, localized in the trigone.
trigonitis 1. Inflammation of the urinary bladder. 2. Inflammation localized at the bladder trigone (trigonum vesicae), producing an edematous (swollen with an excessive accumulation of fluid) and sometimes bulbous (bulb) appearance of the mucosa of the trigone; also known as collitis.