Orbit I (inflammation) Flashcards
definition of
Orbital cellulitis
Suppurative infection of the soft tissues of the orbit posterior to the orbital septum.
definition of
Preseptal cellulitis
Suppurative infection of the soft tissue of the eyelids anterior to the orbital septum.
orbital inflammation common in which age?
common in children
the most common causative organism of
orbital cellulitis
H. influenza
staph, strepto
pneumococci
the most common causative organism of
Preseptal cellulitis
Usually staphylococcus aureus
aetiology of Orbital cellulitis
- Local extension
- Direct inoculation from trauma
- Hematogenousspread of infection
- Extension of preseptal cellulitis
aetiology of Preseptal cellulitis
- Local extension by extension of
- Direct inoculation from trauma
- Hematogenousspread of infection
clinical features of both Orbital cellulitis and Preseptal cellulitis
signs of inflammation:
pain
edema
reddness
hotness
clinical features special for Orbital cellulitis or Preseptal cellulitis
orbital cellulitis
diplopia, proptosis, chemosis and affect vision (late)
presptal cellulitis
no diplopia, no proptosis, mild chemosis and vission not affected
which is more painful orbital cellulitis or presptal cellulitis?
orbital cellulitis
which is more dangerous orbital cellulitis or presptal cellulitis?
Orbital cellulitis more dangerous
than preseptal cellulitis»> lead
to death & blindness
i know iknow … sory for repetition
which one is more common orbital cellulitis or presptal cellulitis?
presptal cellulitis