ent cases
Preauricular Pit
Preauricular pits are relatively shallow pits that result either from a failure in the fusion of the primitive ear hillocks or from the defective closure of the first brachial cleft. Preauricular pits...
![Infected Preauricular Sinus [left]](https://medtube.net/images/min/b2a376c3b648e197301f2029f597aaea/149/112/1 "Infected Preauricular Sinus [left]")
Infected Preauricular Sinus [left]
A preauricular sinus is deeper than a preauricular pit. The sinus tract is lined with a stratified squamous epithelium. The tract of a preauricular sinus may become chronically infected and emit a painless,...
Preauricular Cyst
If the external opening of the tract of the preauricular sinus becomes closed, the epithelium lining the tract will continue to shed epithelial squames into the tract thereby producing a preauricular...
Creased Lobule
In some patients with increasing age and oblique crease may appear in the lobule. This is known as a "creased lobule" and appears to indicate a significant predisposition to obstructive coronary...
Traumatic Seroma of the Pinna
That trauma from friction may irritate the perichondrium and produce a subperichondial serous or serosanguinous seroma. A seroma will usually persist for several days after the original injury.
Aspirate from Traumatic Seroma of the Pinna
When a seroma fails to resolve spontaneously, aspiration of the subperichondrial blood tinged serous transudate may be necessary.
Hematoma of the Pinna
Hematoma of the pinna is usually the result of blunt trauma sustained during activities such as boxing or wrestling. If the trauma tears one of the small vessels that lie between the perichondrium and...
Small Hematoma of the Pinna Before Drainage
Note the small hematoma of the pinna located in the lower portion of the concha.
Small Hematoma of the Pinna After Drainage
The hematoma of the pinna has been drained and a button has been sutured to hold the perichondrium against the auricular cartilage until it has healed.
Frostbite
Tissue damage from extreme cold is similar in appearance to that sustained from heat injuries. Note the large serous filled bulla with edema of the surrounding skin. This is a second-degree frostbite.
Frostbite Induced Ossification of the Auricular...
This soft tissue radiograph of the pinna of a patient who experienced severe frostbite many years previously revealed extensive calcification throughout the posterior superior portion of the auricular...
Cauliflower Ear
Severe or repeated trauma to the auricle may produce areas of subperichondrial separation, shearing and localized hemorrhage which result in devitalization of the underlying auricular cartilage. This...
Acute Allergic Contact Dermatitis of the External...
This patient developed an acute contact dermatitis cause by the ear mold of his new hearing aid.
Neomycin Contact Dermatitis
A neomycin -containing ointment has produced in this patient and erythematous weeping allergic reaction which has tracked inferiorly along the path of the secretions.
Herpes Zoster Of The Pinna
Herpes zoster is an acute localized viral infection of the skin caused by the varicella zoster virus. This large DNA-containing virus of the herpes virus group causes in the early stage scattered pustules...
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Michael Hawke
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Rahmat Omar
MD
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Channels
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Gastroenterology Atlas
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ENT Academy
commercial institution
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Royal Pearl Hospital
medical institution
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Department of Otolaryngology - Medical University of Warsaw
medical institution
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High Impact - Medical Animation
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