ent cases
Bullous Myringitis with Hemotympanum
This patient presented with bullous myringitis also developed a collection of blood in the middle ear [hemotympanum].
Severe Bullous Myringitis
This is a severe case of bullous myringitis in which the bullae have drained spontaneously. The entire surface of this right tympanic membrane seems to have been involved. In this case the initial presentation...
Bullous Myringitis Case 2 Drained
This is the same patient shown in case two in which the blood has been punctured and drained. Note the sub epithelial blood which has extended towards the central portion of this right tympanic membrane.
Furuncle
This patient has an acute furuncle affecting the cartilaginous external canal. This is sometimes referred to as localized acute otitis externa. A furuncle is essentially a staphylococcal mini abscess...
Aural Polyp External Ear Canal
There is a large infected granulation tissue polyp filling the external auditory canal and arising from the skin of the ear canal. Note the purulent discharge surrounding the polyp. These granulation...
Chronic Otitis Externa
This is the classical appearance of chronic otitis externa. The lumen is patent and a purulent exudate can be seen within the canal. In these cases the etiological agent may be quite varied and a swab...
Granulation Tissue Exteral Canal
There is a small mass of friable granulation tissue arising from the Isthmus of this right external auditory canal. This appeared to have resulted from a prior traumatic injury to the skin of the ear...
Large Aural Polyp
There is a large polyp filling this right external auditory canal. This granulation tissue polyp originated from the skin of the external auditory canal.
Acute Diffuse Otitis Externa
This is a classical case of acute diffuse otitis externa which is sometimes referred to as "swimmers ear". Most cases of acute otitis externa are the result of an bacterial infection of the...
Severe Acute Otitis Externa with Meatal Occlusion
This is a case of very severe acute otitis externa in which the skin of the cartilaginous external canal has swollen to such an extent that it is beginning to occlude the meatus. When the meatus becomes...
Early Acute Otitis Externa
This is an example of an early acute diffuse otitis externa caused by pseudomonas aeruginosa. note that the lumen of the external canal is still patent and consequently this acute bacterial infection...
The Bony External Auditory Canal
The medial bony external auditory canal is covered with a thin skin which contains no adnexal structures. The bony external auditory canal is surrounded by tympanic bone.
The Oblique Orientation of the Tympanic Membrane
When examined with an otoscope the tympanic membrane appears to be perfectly circular. In this mould of the bony external auditory canal, the oblique orientation of the tympanic membrane to the central...
The Tympanic Bone
Note the tympanic bone which surrounds the medial portion of the external auditory canal [bony external auditory canal]. Posterior to the tympanic bone is the mastoid, and anterior the fossa for the mandibular...
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Michael Hawke
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