Differential Diagnosis > Morphology > Reaction Patterns Expanded > Telangiectasia

Telangiectasia

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hmtoggle_plus1Telangiectasia on the trunk or generalized distribution:
•generalized essential telangiectasia
•TMEP
•spider angioma liver disease; secondary to increased estrogen

 

hmtoggle_plus1expanded ddx:
•Scleroderma/CREST (vermilion border, periungual)
•Osler-Weber-Rendu (vermilion border, palms)
•angioma serpiginosa (legs most common) vs. purpura annulare telangiectatica (Majocchi's BPP) but BPP occurs in adults and does not creep outward
•unilateral nevoid telangiectasia (unilateral, Blashkoid)
•ataxia-telangiectasia (rare) (bulbar conjunctivae)

 

Other telangiectasia:

•rosacea
•BCC
•cutis marmorata telangiectatica