Medical Encyclopedia

 

Medical Encyclopedia

Other encyclopedia topics:  A-Ag  Ah-Ap  Aq-Az  B-Bk  Bl-Bz  C-Cg  Ch-Co  Cp-Cz  D-Di  Dj-Dz  E-Ep  Eq-Ez  F  G  H-Hf  Hg-Hz  I-In  Io-Iz  J  K  L-Ln  Lo-Lz  M-Mf  Mg-Mz  N  O  P-Pl  Pm-Pz  Q  R  S-Sh  Si-Sp  Sq-Sz  T-Tn  To-Tz  U  V  W  X  Y  Z  0-9 

Spider angioma

Contents of this page:

Illustrations

Circulatory system
Circulatory system

Alternative Names    Return to top

Nevus araneus

Definition    Return to top

Spider angioma is an abnormal collection of blood vessels near the surface of the skin.

Causes    Return to top

Spider angiomas are very common. They are especially common during pregnancy and in patients with liver disease. They occur in both children and adults.

Symptoms    Return to top

Exams and Tests    Return to top

No testing is usually necessary, but a skin biopsy may be needed to confirm the diagnosis in some cases. Blood tests may be done if a liver problem is suspected.

Treatment    Return to top

Treatment is generally not necessary. In some cases, electrocauterization or laser treatment may be used.

Outlook (Prognosis)    Return to top

Spider angiomas often disappear in children but tend to persist in adults.

When to Contact a Medical Professional    Return to top

A spider angioma can usually be examined during a routine visit with your health care provider. It is important to mention to your doctor if you develop a new spider angioma, to rule out related medical conditions.

Update Date: 10/3/2008

Updated by: Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M. Logo

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 1997-2009, A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.