Term
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Definition
Color and shape: Fiery red! From very small to 2 cm.
Shape: Central body, sometimes raised, surrounded by erythema and radiating legs.
Pulsatility and pressure: Pressure on the body causes blanching of the spider.
Distribution: Face, neck, arms and upper trunk. Never below the waist!
Significance: Liver disease, Pregnancy, Vit B deficiency, also occurs in normal people |
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Term
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Definition
Color and size- Bluish, variable size
Shape- Variable, may resemble a spider or be linear, irregular, cascading
Pulsatility and effect of pressure- Absent. Pressure over the center does not cause blanching, but diffuse pressure blanches the veins
Distribution: Often on the legs, near veins; also on the anterior chest
Significance: Often accompanies increased pressure in the superficial veins, as in varicose veins. |
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Term
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Definition
Color and size: Bright or ruby red, may become brownish with age
Shape- Roud, flat or sometimes raised, may be surrounded by a pale halo.
Pulsatility and effect of pressure: Absent. May show partial blanching, especially if pressure applied with edge of a pinpoint
Distribution: Trunk, also extremities.
Significance: None, increases in size and numbers with aginst. |
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Term
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Definition
color/size: deep red or reddish purple, fading away over time. Petechia 1-3 mm; purpura larger
Shape: Rounded, sometimes irregular; flat
Pulsality and effect of pressure: Absent. No effect from pressure.
Distribution: Variable
Significance: Blood outside the vessels; may suggest a bleeding disorder or, if petechiae, emboli to skin; palpable purpura in vasculitis |
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Term
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Definition
Color/size: Purple or purplish blue, fading to green, yellow, and brown with time. Variable size, larger than petechiae >3mm.
Shape: rounded, oval or irregular; may have a central subcutaneous flat nodule (a hematoma)
Pulsality: Absent. No effect from pressure
Distribution: variable
Significance: Blood outside the vessels; often secondary to bruising or trauma; also seen in bleeding disorders |
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