27 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 ... from dermnet.nz and ... -6011359#5 #diagnosis ... symptoms #signs ... #dermatology #skin
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Ill-appearing, vital sign ... Mucocutaneous or ocular ... sulfa-drug - Skin ... #Dermatology #Rash ... Targetoid #Algorithm #Differential
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
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Diagnosis Malar ... migrans: • Target sign ... gabrieltalledop #dermatology ... #differential # ... diagnosis #peds
Nikolsky's Sign in Toxic Epidermal Necrolysis (TEN)

Nikolsky's sign is a clinical dermatological sign which is present
Nikolsky's Sign ... Nikolsky's sign ... dermatological sign ... #TEN #Dermatology ... #PhysicalExam #
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... scale on elbows & knees ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash #dermatology
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
in Pregnancy - Differential ... Diagnosis Algorithm ... • Chadwick's sign ... (face, limbs, and ... #dermatology #Differential
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
rash of arm present ... wane; diagnosis ... trauma leads to skin ... painless, no systemic signs ... biopsy preferred Differential
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
Fever, malaise • Rash ... include palms and ... lesions in bone, skin ... Stages #symptoms #signs ... #diagnosis
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
diagnosis; however ... rashes but without signs ... have a broader differential ... diagnosis, which ... #Diagnosis #Dermatology