11 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... renal failure/uremia ... Pruritus #primary #secondary ... #systemic #generalized ... #dermatology #Differential
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
the vasculitic skin ... lesions were secondary ... Photo credit, Josh ... Fierer, M.D. ... #Dermatology #SkinRash
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... rosea #clinical #dermatology ... #photo #PhysicalExam
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... Burrows between fingers ... Acute generalized ... Secondary syphilis ... #Diagnosis #Dermatology
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Pruritus - No Primary Skin ... renal failure/uremia ... #Pruritus #secondary ... #systemic #generalized ... #dermatology #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... leakage of RBC's secondary ... - Hemolytic anemia ... #nonpalpable #dermatology
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
Like Conditions - Differential ... Systemic Fibrosis: - Secondary ... or localized or generalized ... #Scleroderma #Differential ... comparison #table #dermatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
AIHA Primary Secondary ... lymphoproliferative disorder Secondary ... nose, ears, or fingers ... younger pts) Differential ... #hematology #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... in primary or secondary ... cryoglobulins • Skin ... Algorithm #Causes #dermatology ... #physicalexam
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
soles, sides of fingers ... pruritus (e.g., fingers ... fingernails (may be generalized ... ; pruritis #dermatology ... #rash #differential