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Pathology

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Miscellaneous

Question
8 out of 28
 

The most frequent site of brain abscess is: (LQ)



A Frontal lobe
B Parietal lobe

C Occipital lobe
D Temporal lobe

Ans. A Frontal lobe

a. Brain abscess:

i. Arise by direct implantation of organism (traumatic) or due to mastoiditis

ii. Hematogenous spread from Heart, Lung and bone.

iii. Acute bacterial endocarditis, cyanotic, congenital heart disease, chronic pulmonary sepsis (bronchiectasis) are associated with it.

b. Offending agents are:

i. Streptococci (M.C.), Bacteroides fragilis, Aerobic streptococci, Staphylococci.

ii. Site: frontal >frontoparietal > parietal >Cerebellar > Occipital

iii. M.C. clinical presentation is headache.

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