Vascular Path (tumors) Flashcards
What are Vascular Ectasias?
Local blood vessel dilation
What are 2 types of Vascular Ectasias?
- Nevus Simplex
- Port Wine stain
What are 2 types of Vascular Ectasias?
- Nevus Simplex
- Port Wine Stain
Nevus Simplex
Birth mark usually on forehead/face
Outlook for Nevus Simplex?
Usually regresses
Port wine stain
Vascular ectasia of vascular plexus
Outlook for Port Wine Stain?
Persists into adulthood
Sturge Weber Syndrome
CN5 port wine stain, decreased IQ, seizures and anomalies of the skull and eye (glaucoma)
What are Vascular Telangiectasias?
Dilation of small vessels and capillaries that forms a lesion
What can cause Spider Telangiectasias?
Increased estrogen
– usually on face, neck and chest
Another name for Hereditary Hemorrhagic Telangiectasia?
Osler - Weber- Rendu Disease
How does Hereditary Hemorrhagic Telangiectasia arise?
Autosomal Dominant mutation in TGF-beta pathway
What is Hereditary Hemorrhagic Telangiectasia and what does it result in?
Abnormal blood vessel formation
= Telangiectasias and AV malformations –> bleeds
What is Hereditary Hemorrhagic Telangiectasia and what does it result in?
Abnormal blood vessel formation
= Telangiectasias and AV malformations -> bleeds
Hemangioma - benign or malignant?
Benign