Schneiderman Prelims Vol-I. qxd

84
A CLINICIAN
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S GUIDE TO DERMATOLOGIC DIFFERENTIAL DIAGNOSIS, VOLUME 1
Schneiderman page 1-100.qxd 5/16/2006 6:49 PM Page 84

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Pigmented purpuric eruption
Purpura fulminans (DIC) – blue nose
Purpura simplex
Pyogenic granuloma – blue–black papule 
Rook p.2354–2355,
1998, Sixth Edition
Rapidly involuting congenital hemangioma – large violaceous
gray-blue nodule of scalp with overlying telangiectasia
Soc Ped
Derm Annual Meeting, 2005
Reactive hemangioendotheliomatosis – red–blue patch 
JAAD
42:903–906, 2000
Sinus pericranii – alopecic blue nodule of scalp 
JAAD
46:934–941, 2002
Spindle cell hemangioendothelioma (Maffucci’s syndrome) –
blue papule or nodule 
AD 138:259–264, 2002; JAAD
42:275–279, 2000; JAAD 37:887–920, 1997
Telangiectasias 
Derm Surg 23:55–59, 1997
Thrombosed capillary aneurysm
Thrombosed vein 
Clin Podiatr Med Surg 13:85–89, 1996
Tufted angioma – blue plaque or nodule 
Ped Derm 19:394–401,
2002; oral red or blue papule BJD 142:794–799, 2000
Varicosities, including thrombosed varix of the eyelid – papule
Eyelid and Conjunctival Tumors, Shields JA and Shields CL,
Lippincott Williams and Wilkins p.119, 1999.
Vascular anomaly (malformation) 
Vasculitis, including urticarial vasculitis
Venous aneurysm – painful blue nodule of hand 
AD
140:1393–1398, 2004
Venous and lymphatic malformations 
AD 139:1409–1416, 2003;
JAAD 46:934–941, 2002; JAAD 45:239–245, 2001
Venous lake 
AD 74:459–463, 1956
Venous stasis ulceration (chronic venous insufficiency) – bluish
discoloration precedes ulceration 
Rook p.2258, 1998, Sixth Edition
Verrucous hemangioma – bluish–red 
Ped Derm 17:213–217, 2000
Congenital Volkmann ischemic contracture (neonatal
compartment syndrome) – upper extremity circumferential
contracture from wrist to elbow; necrosis, cyanosis, edema,
eschar, bullae, purpura; irregular border with central white
ischemic tissue with formation of bullae, edema, or spotted
bluish color with necrosis, a reticulated eschar or whorled
pattern with contracture of arm; differentiate from necrotizing
fasciitis, congenital varicella, neonatal gangrene, aplasia cutis
congenital, amniotic band syndrome, subcutaneous fat
necrosis, epidermolysis bullosa 
BJD 150:357–363, 2004
Wegener’s granulomatosis – blue gingival hypertrophy
Zosteriform venous malformations 
Dermatologica 161:347–354,
1980; AD 113:848–849, 1977