33 results
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
the Mnemonic "no skin ... -6011359#5 #diagnosis ... #differential # ... symptoms #signs ... #dermatology #skin
An Approach to the Unknown Rash: Erythematous Rash 

#Diagnosis #Dermatology #Erythematous #Rash #Differential #Algorithm #Nikolsky #Sign
to the Unknown Rash ... #Diagnosis # ... Dermatology #Erythematous ... #Rash #Differential ... Algorithm #Nikolsky #Sign
Bullous pemphigoid and pemphigus vulgaris

Comparison Table via Physical Examination, Nikolsky Sign and Differential Diagnoses

#Diagnosis #Dermatology #Bullous
Examination, Nikolsky Sign ... and Differential ... Diagnoses #Diagnosis ... #Dermatology #Bullous ... #Comparison #Table
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... the Nikolsky sign ... the Nikolsky sign ... fever or Nikolsky sign ... #Diagnosis #Dermatology
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Ill-appearing, vital sign ... sulfa-drug - Skin ... #Dermatology #Rash ... Targetoid #Algorithm #Differential
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Diagnosis Malar ... migrans: • Target sign ... gabrieltalledop #dermatology ... #differential # ... diagnosis #peds
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias - Differential ... Diagnosis Algorithm ... Signs of anemia ... #Diagnosis #Algorithm ... #hematology
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... LIP #Clinical #Diagnosis ... #Comparison #Table ... #RadiologyAssistant
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
scapularis • Infects ... within morulae Signs ... myalgias, shaking chills ... • Rash is rare ... Anaplasma #Infection #diagnosis
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
in Pregnancy - Differential ... Diagnosis Algorithm ... • Chadwick's sign ... #dermatology #Differential ... #Diagnosis #Algorithm