Follicular traction urticaria

Follicular traction urticaria*

Inducible urticaria is a heterogeneous subgroup of chronic urticarias caused by a wide variety of environmental stimuli, such as exercise, cold, heat, pressure, sunlight, vibration, and water. A new term, follicular traction urticaria, was suggested as an unusual form of inducible urticarias. We report a patient who was diagnosed with follicular traction urticaria.

Urticaria-like follicular mucinosis responding to dapsone.

Sir, Mucin is a jelly-like amorphous mixture of glycosaminoglycans, mainly hyaluronic acid and dermatin sulphate bound to small amounts of chondroitin sulphate and heparin sulphate. Mucinous infiltration of the skin occurs in disorders in which mucin accumulates either diffusely or focally. The disorders either affect the skin only or are related to systemic disease. Follicular mucinosis can be...

[Urticaria].

ma are cutaneous manifestations of localized edema. They are common skin diseases that typically result from the same pathophysiologic processes. The primary difference between the disorders is that urticaria is associated with localized edema involving the upper dermis, whereas angioedema is associated with localized edema involving deeper layers of the skin, as well as subcutaneous and submuc...

Urticaria

Factitious Urticaria

sensitive as to resent the slightest irritation, appears, perhaps, more surprising than that the gastric mucous membrane should occasionally be subject to intense excitement at the presence of various articles of food. We seem to expect the skin to resist pressure and irritation as one of its functions, and are therefore surprised when the phenomena of factitious urticaria occur. There is no do...