A :
B :
C :
D :
E :
F :
G :
H :
I :
J :
K :
L :
M :
N :
O :
P :
Q :
R :
S :
T :
U :
V :
W :
X :
Y :
Z
Disseminated Superficial Actinic Porokeratosis
Medical Questions » Disseminated Superficial Actinic Porokeratosis
| Name: Disseminated Superficial Actinic Porokeratosis |
| Also known as: DSAP |
| Unusual condition that increases the risk of sun damage to the skin in people of European descent. Affects sun exposed areas, appearing mainly on the cheeks, forearms and lower legs and occurs more frequently in women than men. |
Causes of Disseminated Superficial Actinic Porokeratosis
Inherited. Half the children of an affected parent will have the condition, but only if they have excessive sun exposure will it be a problem. New spots may be caused by ultraviolet light in sun lamps. The average age of onset is about 40, and severity increases steadily with age. Does not occur in childhood. |
Symptoms of Disseminated Superficial Actinic Porokeratosis
Spots that begin as a 1-3 mm cone shaped lump, brownish red or brown in color and usually around a hair follicle. It expands and a slightly raised dark brown ring develops and spreads out to a diameter of 10 mm or more. The skin within the ring is thin and mildly reddened or slightly brown. Sweating is absent in affected areas and sun exposure may cause itching. Becomes more prominent in the summer and may improve in winter. |
Tests for Disseminated Superficial Actinic Porokeratosis
Diagnosed by skin biopsy. |
Treatment for Disseminated Superficial Actinic Porokeratosis
No satisfactory treatment, but cryotherapy (freezing) and creams containing 5 fluoro-uracil, tretinoin or alpha hydroxide acid may be tried. Important to reduce sun exposure by wearing long sleeves shirts and slacks
and using sunscreens.
|
Complications of Disseminated Superficial Actinic Porokeratosis of its treatment
Center of area may ulcerate and crust. Development of true skin cancer is very uncommon. |
Likely Outcome of Disseminated Superficial Actinic Porokeratosis
No cure, but reasonable control. |
|
|
