Chapter 1 :: Fundamentals of Clinical Dermatology: Morphology and Special Clinical Considerations Flashcards
1
Q
Cutaneous horn
A
Conical projection of compact stratum corneum.
2
Q
Asboe–Hansen sign
A
Lateral extension of a blister with downward pressure
Noted in blistering disorders in which the pathology is
above the basement membrane zone
3
Q
Darier sign
A
Urticarial wheal produced in a lesion after it is firmly rubbed with a finger or the rounded end of a pen
Noted in urticaria pigmentosa and rarely with cutaneous lymphoma or histiocytosis
4
Q
Fitzpatrick (dimple) sign
A
Dimpling of the skin with lateral compression of the lesion with the thumb and index finger produces dimpling as a result of tethering of the epidermis to the dermal lesion
Characteristic of dermatofibroma