Tear-drop bladder is seen in -
In case of extra peritoneal rupture of bladder a cystogram shows extravasation of contrast material into the pelvis around the base of bladder. The characteristic TEAR DROP' deformity represents bladder compression by a large pelvic haematoma.
Tuberculosis
Hunner's ulcer
Perivescial hemorrhage with rupture
Perivesical hemorrhage without rupture