Pinna
Acute Perichondritis
Acute Perichondritis is caused by a bacterial infection of the perichondrium of the auricular cartilage which is usually the result of trauma to the pinna. Acute perichondritis most commonly occurs following...
Neglect Keratosis
Sheets of keratin squames are continuously pushed up to the surface of the skin and shed during normal epidermal maintenance. The outermost layer of squames [the stratum corneum] is normally rubbed away...
Squamous Cell Carcinoma
Squamous cell carcinoma of the pinna is a relatively uncommon malignant tumor that arises from keratinocytes damage by exposure to sunlight. The diagnosis of a squamous cell carcinoma is made by biopsy....
Basal Cell Carcinoma
Basal cell carcinomas may present with many different clinical appearances. Any chronically ulcerated or raised lesion that persists should be biopsied.
Basal Cell Carcinoma
Basal cell carcinoma is the most common cutaneous malignancy. These tumors usually develop in skin that is been subjected to actinic damage, and it is therefore not surprising that basal cell carcinoma...
Verruca Vulgaris
Verruca vulgaris or the common wart is a benign, localized area of epithelial hyperplasia caused by the human wart virus of the papova virus group. Verrucae appear as firm, circumscribed elevated papules...
Solar Lentigo
Solar Lentigo is another lesion the develops from repeated exposure to the sun. These lesions rarely occur before the fourth decade of life, slowly increasing in both size and number. Clinically, Solar...
Intradermal Nevus
This large and more extensively raised, pigmented, dome-shaped lesion on the upper border of the tragus is an intradermal nevus.
Compound Nevus
This raised, pigmented lesion present on the superior border of the tragus is a compound nevus.
Junctional Nevus
The flat, circumscribed, dark brown lesion present on the posterior helical rim of this young child is a junctional nevus.