The subungual heloma is a commonly keratosis known as callosity which is located in the nail bed and underlying to the unguinal layer. It appears statistically most of the time on the first toe. The causes which help the appearance of the subungual heloma are several:...
The glomus tumor is a benign neoplasia of a vascular origin and an unknown cause. The glomus tumors are made of the hyperplasia of the glomus body or dermic arteriovenous anastomosis which regulates the temperature and the control of the peripheral sanguineous flow....
The exophytic warts are solid lesions with a fleshy appearance and circumscribed. They grow in an abnormal way showing a remarkably protuberance regarding the dermic or mucosal tissue where they are located. The exophytic warts, as well as all the warts in general,...
The acanthosis nigricans is a dermatosis which is characterized by the hyperpigmentation and the cutaneous hyperkeratosis. It is considered like a cutaneous sign of resistance to the insulin in different illnesses or syndromes of the endocrine system like, for...
The Köenen’s tumor is a benign and painless lesion which has its origin in the nail matrix. This tumor appears in the eponychium with an elongated and ovoid shape and a cornified free extremity and it takes up a space of the proximal side of the nail. It has a pink or...
Piezogenic papules are small protuberances of fatty tissue located in the medial and external zone of the heel. They usually appear from 40 years old and, more frequently, to women. They are small lumps with a spherical shape and mainly painless. It has approximately...
