Sinus-Fistula: History

                                                                Sinus-Fistula: History

(Sinus- a blind track leading from the surfaces down to the tissues

 Fistula – a communicating track between 2 epithelial surfaces)

1.       Duration

2.       Mode of onset

·         Congenital (branchial fistula)

·         Following incision and drainage of an abscess (perianal fistula)

·         Following incomplete excision of a congenital swelling e.g. (thyroglossal fistula )

3.       Preceding  history of swelling, pain and fever

4.       History of discharge:

·         Type of discharge(purulent, mucus, bilious, feculent or urine)

·         Any discharge of bony spicules (osteomyelitis)

·         Quantity of discharge, color and odour

5.       Progress

·         Sometimes discharge may stop

6.       Any history of pain

7.       History of fever

8.       Past history

·         History of tuberculosis

·         Actinomycosis

·         Inflammatory bowel disease

·         History of operation