11 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
. 2) When cutaneous ... commonly renal and ... #Dermatology #Rash ... Palpable #Algorithm #Differential ... #Ddxof
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Ill-appearing, vital sign ... #Dermatology #Rash ... Targetoid #Algorithm #Differential ... #Ddxof
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... mucositis - Rash ... aphthous ulcers, cutaneous ... purpura: strong sign ... differential #diagnosis
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
rash. diagnosis ... self-limited Diagnosis ... larva #migrans #skinRash ... #dermatology #clinical ... #photo
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
diffuse palpable rash ... Diagnosis? ... Differential for ... #LCV #Hand #skinrash ... #photo
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... - Differential ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash ... #dermatology #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... Differential Diagnosis ... purpura: Strong sign ... , mucositis • Rash
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
- Rash: multiple ... Most common extra cutaneous ... Episcleritis Signs ... Leukocytoclastic vasculitis ... #dermatology #oncology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
causes: infections (cutaneous ... Rash is usually ... of necrotizing vasculitis ... comparison #table #differential ... #diagnosis #dermatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... nose, ears, or fingers ... presentation) • Cutaneous ... younger pts) Differential ... hemolytic #anemia #hematology