19 results
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
skin lesions were ... Photo credit, Josh ... Fierer, M.D. ... Images #Clinical #Photo ... #Dermatology #SkinRash
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
the context of cutaneous ... #dermatology #semiology ... #signs #lesions ... #diagnosis #clinical ... manifestations #pathology #lesions
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura - Diagnostic ... Palpable: 1) If lesions ... . 2) When cutaneous ... pulmonary #Diagnosis ... #Dermatology #Rash
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... - long axis of lesion ... - Differential diagnosis ... rosea #clinical #dermatology ... #photo #PhysicalExam
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... reddish-purple lesions ... Infection - Vasculitis ... Algorithm #Causes #dermatology ... #physicalexam
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
. diagnosis? ... serpiginous skin lesion ... larva #migrans #skinRash ... #dermatology #clinical ... #photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
ischemic skin lesions ... mucositis - Rash ... aphthous ulcers, cutaneous ... purpura: strong sign ... of cutaneous leukocytoclastic
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
response -> Subacute cutaneous ... scaly annular lesions ... Livedo Reticularis, Vasculitis ... pathophysiology #diagnosis ... #signs #symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... purpura: Strong sign ... , mucositis • Rash ... episcleritis as well as inner
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... - Differential Diagnosis ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash ... #dermatology #Differential