Ca Wheel sign is seen in
In a stage of pre-suppuration of ASOM, there is congestion of pars tensa. A leash of blood vessels appears along with the handle of malleus and at the periphery of tympanic membrane impaing it a ca-wheel appearance. Later, whole tympanic membrane including pars flaccid becomes uniformly red. Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 67
ASOM
AOM
OME
CSOM
Ear