Raynaud’s phenomenon
arteriole vasospasm –> poor blood flow to skin - fingers and toes
cold temps
emotional stress - sympathetic activation
more in women, grab something in freezer thats cold
Vasospasm –> white (palor)
Cyanosis –> blue
Reperfused –> red - hyperemic
Assoc w/: mixed connective tissue dz thromboangiitis obliterans SLE CREST scleroderma
Tx:
Avoid cold
dihydropyridine CCB - amlodipine
Lymphangiosarcoma
lymphatic malignancy
assoc w/ persistent lymphedema
Sturge-Weber dz
congenital capillaries intracranial malformation: -leptomeningeal angioma -meninges and eye affected
port-wine stain in ophthalmic division of trigeminal n.
-purple red
Assoc w/: seizures early onset glaucoma intellectual disability hemiplegia
Strawberry hemangioma
Benign hemangioma of cutaneous surface capillaries
Infants
pink
Cherry hemangiomas
benign hemangioma of cutaneous surface capillaries
does not regress
more with age
red mole
Pyogenic granuloma
raised capillary hemangioma
ulcerate and bleed
assoc w/: pregnancy - lips and gums
Angiosarcoma
blood vessel malignancy
face, scalp, neck, breast
assoc w/ prior radiation tx
met to bone and brain
Cystic hygroma
cavernous lymphangioma of neck
assoc w/ turners
Glomus tumor
benign, painful
reddish-blue tumor on hand - under nail
Bacillary angiomatosis
bartonella henselae
benign
mistaken as kaposi sarcoma in AIDS pts - bx to differentiate
Kaposi sarcoma
HHV8
classic KS: indolent cutnaeous tumor, older males of mediterranean descent, on legs
Endemic KS: subsaharan Africa
Epidemic KS: AIDS related
Proliferation of vessels and lymphatics on skin and internal organs (lung)