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
Capillary Hemangiomas are usually ____
Superficial
Cavernous Hemangiomas are usually ____
Deeper and can bleed
Pyogenic Granulomas are a type of Hemangiomas. Where do they usually arise?
Finger
Oral mucosa
Glomus Tumor - benign or malignant?
Benign
What is a Glomus Tumor?
Smooth muscle tumor arising from the Glomus body that is responsible for Thermoregulation
Where are Glomus tumors found and what are the symptoms?
Subungual (on fingers)
= bluish and painful even with temp. changes too
Bluish smooth muscle tumor under the fingernail is likely a?
Glomus tumor
Lymphangiomas are what type of neoplasms?
Benign lymphatic neoplasms
What are the 2 types of Lymphangiomas?
(benign lymphatic neoplasms)
- Simple type
- Cavernous type (cystic hygroma)
