PG Preparation

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    ENT - Sinuses 

     


    1. Sinusitis – Commonest Maxillary
    2. Commonest sinus for mucocele Frontal
    3. Commonest benign Tumour of sinuses Osteoma
    4. Commonest Malignant Tumour Squamous cell Carcinoma.
    5. Commonest Site for malignancy Maxillary
    6. Commonest sinus for polyp Ethmoid 

    7. Extradural abscess is common with frontal sinusitis.
    8. Orbital lesions are common with Ethmoiditis
    9. Chronic sinusitis – septum and turbinates are involved
    10. Osteomyelitis in children is by spread from Maxillary sinusitis
    11.Osteomyelits in adults is by spread from frontal sinusitis
    12. The Rudimentary sinus at birth is frontal
    13. Adenocarcinoma is common in – Ethmoidal Sinus
    14. Osteoma is common in frontal sinus. 
    15. Ossifying fibromas are common in Maxillary and Ethmoidal sinuses

    Sinusitis Vs CSOM
     
      Sinusitis CSOM
    Commonest Complication Orbital lesion Mastoiditis
    Commonest intra cranial complication Meningitis Brain abscess
    Complications with poor prognosis Subdural abscess Subdural abscess


 


 

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