Q. WHAT IS OTORRHOEA?
Q. WHAT ARE THE DIFFERENT TYPES OF OTORRHOEA AND THE CHARACTERISTICS OF DIFFERENT TYPES?
Q. WHAT ARE THE DIFFERENT CONDITIONS WHERE VARIOUS TYPES OF DISCHARGE ARE OCCUR?
| TYPES OF EAR DISCHARGE | CONDITIONS |
|---|---|
| Serous | Seborrhoeic Otitis externa |
| Serosanguinous | Seborrhoeic Otitis externa |
| Mucoid | - Otitis media (mucoid discharge is always from the middle ear lining which contains goblet cells that secretes mucin) |
| Mucopurulent | - AOM -COM |
| Purulent | -AOM -COM |
| Watery | -CSF otorrhoea -Eczematous otitis externa |
| Blood | -Trauma -Polyp -Glomus tumour -AOM (perforation) -Foreign body -Tuberculosis -Granular myringitis -Malignant Otitis externa -Vascular anomalies |
| Foul smelling (fishy odour) | COM squamous usually due to anaerobic infection |
| Copious quantity which shows the RESERVOIR SIGN ( Discharge filling the concha and reappearing on wiping it) | - Coalescent Mastoiditis - Mastoid cavity with secondary infection |
| Scanty | COM squamous |
Q. WHAT ARE THE CAUSES OF OTORRHOEA ACCORDING TO ANATOMICAL SITES IN EAR?
| PARTS OF EAR | CONDITIONS |
|---|---|
| EXTERNAL EAR | 1) Localized Otitis Externa 2) Generalized Otitis Externa 3) Seborrhoeic Otitis Externa 4) Eczematous Otitis Externa 5) Bacterial / viral Otitis Externa 6) Otomycosis 7) Foreign body with secondary infection |
| MIDDLE EAR | 1) AOM 2) COM 3) Tumour |
| INNER EAR | 1) Suppurative Labyrinthitis |
| MISCELLANEOUS | 1) Parotid abscess ruptured into the ear 2) Temporo-mandibular joint Abscess rupture |
Q. HOW DO YOU CONFIRM IF THE WATERY DISCHARGE IS CSF OR NOT?
Protection