What is Schnitzler syndrome Schnitzler syndrome is a rare acquired autoinflammatory disorder characterized by a chronic reddish rash that resembles hives (urticaria) and elevated levels of
What is Birt-Hogg-Dube syndrome Birt-Hogg-Dube syndrome is an extremely rare genetic disorder that affects the skin and lungs and increases the risk of certain types
What is trichomycosis axillaris Trichobacteriosis axillaris is a superficial bacterial infection of the hair shafts in sweat gland bearing areas, such as the armpits (axillae)
What is halo nevus A halo nevus is an otherwise normal mole with a white ring or halo, around it. The central dark brown nevus
What is dermatosis papulosa nigra Dermatosis papulosa nigra is a harmless condition commonly affecting the faces of African-American, Afro-Caribbean and sub-Saharan black patients and sometimes
What is pressure urticaria Pressure urticaria also called delayed pressure urticaria or angioedema, is a form of chronic inducible urticaria (also known as hives, is
What is steatocystoma multiplex? Steatocystoma multiplex also called multiple sebaceous cysts, steatocystomatosis, sebocystomatosis, or epidermal polycystic disease, is a rare skin disorder characterized by the development of
Pilomatricoma Pilomatricoma also called pilomatrixoma, trichomatricoma or calcifying epithelioma of Malherbe, is an uncommon, harmless, hair follicle tumor derived from hair matrix cells (from the cells
What is trichilemmal cyst Trichilemmal cyst is also known as a pilar cyst, trichodermal cyst, trichodermal isthmus-degenerative cyst or wens, is a benign keratin-filled cyst that
What is a dilated pore of Winer A dilated pore of Winer is a commonly occurring benign hair follicle tumor (a tricho-epithelioma) that appears as