Livedo reticularis

lacy skin pigmentation
Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin.wikipedia
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Cutis marmorata telangiectatica congenita

Macrocephaly cutis marmorata telangiectaticamottling of the skin
CMTC is also used synonymously with congenital generalized phlebectasia, nevus vascularis reticularis, congenital phlebectasia, livedo telangiectatica, congenital livedo reticularis and Van Lohuizen syndrome.

Sneddon's syndrome

sneddon syndrome
Sneddon's syndrome generally manifests with stroke or severe, transient neurological symptoms, and a skin rash (livedo reticularis).

Vasculitis

vasculitidesvasculiticvasculitis, central nervous system

Polyarteritis nodosa

periarteritis nodosaPolyarteritisPAN
Skin manifestations of PAN include palpable purpura and livedo reticularis in some individuals.

Cholesterol embolism

cholesterol embolicholesterolCholesterol embolus
Most commonly this causes skin symptoms (usually livedo reticularis), gangrene of the extremities and sometimes kidney failure; problems with other organs may arise, depending on the site at which the cholesterol crystals enter the bloodstream.

Antiphospholipid syndrome

antiphospholipid antibody syndromeantiphospholipid antibodiesantiphospholipid antibody
No further test or examination confirms idiopathic livedo reticularis, however, further investigations may be undertaken where an underlying cause is suspected such as skin biopsies, or blood tests for antibodies associated with antiphospholipid syndrome or systemic lupus erythematosus.
Other common findings, although not part of the APS classification criteria, are low platelet count, heart valve disease, and livedo reticularis.

Cryoglobulinemia

cryoglobulinaemiaEssential mixed cryoglobulinemiaCryroglobulinemia
Interruption of blood flow to other tissues in type I disease can cause cutaneous manifestations of purpura, blue discoloration of the arms or legs (acrocyanosis), necrosis, ulcers, and livedo reticularis; spontaneous nose bleeds, joint pain, membranoproliferative glomerulonephritis; and cardiovascular disturbances such as shortness of breath, inadequate levels of oxygen in the blood (hypoxemia), and congestive heart failure.

Amantadine

Amantadine hydrochlorideSymmetrelSymadine
Livedo reticularis is a rare possible side effect of amantadine use for Parkinson's disease.

Ehlers–Danlos syndromes

Ehlers-Danlos syndromeEhlers–Danlos syndromeEhlers Danlos Syndrome
Other skin symptoms include molluscoid pseudotumors, especially on pressure points, petechiae, subcutaneous spheroids, livedo reticularis, and piezogenic papules are less common.

Erythema ab igne

dermatitis ab ignetoasted skin syndrome

Venule

venulesvenulavenular
The discoloration is caused by swelling of the venules owing to obstruction of capillaries by small blood clots.

Thrombus

blood clotblood clotsclot
The discoloration is caused by swelling of the venules owing to obstruction of capillaries by small blood clots.

Pathology

pathologistpathologicalpathologies
The condition may be normal or related to more severe underlying pathology.

Latin

Latin languageLat.la
The condition's name derives from the Latin livere which means bluish, and reticular which refers to the net-like pattern.

Systemic lupus erythematosus

lupusSLEsystemic lupus erythematosus (SLE)
No further test or examination confirms idiopathic livedo reticularis, however, further investigations may be undertaken where an underlying cause is suspected such as skin biopsies, or blood tests for antibodies associated with antiphospholipid syndrome or systemic lupus erythematosus.

Rheumatoid arthritis

rheumatoidrheumatic arthritisarthritis, rheumatoid

Pancreatitis

inflammation of the pancreasgallstone pancreatitispancreatic inflammation

Adderall

Adderall XRamphetamine mixed saltsmixed amphetamine salts