Pinna
Primary Cutaneous Amyloid
The raised subcutaneous deposits in the posterior auricular crease of this patient ear of the result of the deposition of amyloid. Amyloid is a complex fibrillar protein believed to originate from plasma...
Gouty Tophus
Gouty tophi are the result of the subcutaneous accumulation of deposits of monosodium urate crystals. These tophi present as painful, skin coloured nodules occurring most frequency on the helix. Tophi...
![Chondrodermatis Nodularis Helicus Chronica [Winkler's Nodule]](https://medtube.net/images/min/9e07572f9dcd5cd00406d1f235d398ed/149/112/1 "Chondrodermatis Nodularis Helicus Chronica [Winkler's Nodule]")
Chondrodermatis Nodularis Helicus Chronica [Winkler's...
Chondrodermatis Nodularis Helicus Chronica is the formal name given to a discrete, firm, raised and frequently painful nodule located on the pinna. This nodule is most commonly located on the apex of...
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.
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...
The Auricular Cartilage
This photograph shows the auricular cartilage which provides the support and shape of the pinna [left].