The document discusses acute and chronic mastoiditis, emphasizing that acute mastoiditis typically follows acute otitis media and is influenced by the virulence of organisms and patient resistance. It outlines the pathology involving pus production and bone resorption, along with potential complications such as cholesteatoma, facial paralysis, and intracranial issues like meningitis and abscesses. The text highlights the various clinical manifestations and the significance of timely diagnosis and management.

1. B Y
D R . M U B A S HA R U L L A H J A N
Acute and Chronic Mastoiditis

8. Acute Mastoiditis
 Etiology;
usually accompanies or immediately follows AOM,
2 factors r important;
1 High virulence of organisms
2 lowered resistance of patients
 Pathology;
pus production under tension
hyperemic decalcification and osteoclastic
resorption of mastoid bone

11. “ S K IN I N W R O N G P L A C E ”
C O N S I S T S OF T W O PA R T S ;
1 . M A T R I X
2. K E R A T I N D E B R IS
Cholesteatoma

27. I N T R A T E M PO R A L ;
PE T R OS IT I S , FA C I A L P A R A L Y S I S , L A B Y R I N T HI T I S ,
S U B P E R I O S T E A L A B S C E S S .
I N T R A C R A N I A L ;
M E N I N GI T I S , E X T R A D U R A L A B S C E S S , S U B D U R A L A B S CE S S ,
B R A I N A B S C E S S , L S T , OT IT I C HYD R OC E P HA L U S
Complications