stain

Definition A Spider naevus, also called Spider nevus or Naevus araneus, is a skin sign that occurs in chronic liver diseases. The name is derived from the English word for spider, “spider”, and “naevus” for birthmark. A Spider naevus is a visible dilation of arterial vessels and can be several centimeters in diameter. The shape … Spider Naevi

Symptoms A spider nevus is usually 0.2 to 1.0 centimeters in size, but can also be several centimeters in size. It is a vascular dilatation with a small, red, dot-like, raised vascular node in the middle. From this vascular nodule, small vessels run outwards like a spider’s web or star-shaped. Spider naevi are found on … Symptoms | Spider Naevi