29 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
Hyperpigmentation Differentials ... the Mnemonic "no skin ... from dermnet.nz and ... #symptoms #signs ... #dermatology #skin
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... Erythematous papules and ... body folds with satellite ... #dermatology #Differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... test (this is a skin ... disease) Differential ... azathioprine #Behcet ... diagnosis #management #signs
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Common Hand Fractures ... collateral ligament Bennet ... Terry thomas sign ... drdevradiology #Hand ... Radiology #Wrist #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 ... staphylococcal scalded skin ... , the differential ... Febrile #Fever #Differential
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
Like Conditions - Differential ... eosinophilia, skin ... Full-thickness skin ... large numbers of stellate ... #Scleroderma #Differential
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Physiologic Skin ... in Pregnancy - Differential ... • Chadwick's sign ... (face, limbs, and ... #dermatology #Differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
, may also see skin ... lesions, LAD, and ... cryptococcus, and ... Sarcoidosis • Neuro Behcets ... Lesions #Brain #differential
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Combination of Skin ... Pediatrics Patient - Differential ... lighter center and ... migrans: • Target sign ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... VASCULITIS: • Behçet ... ear disease Differential ... purpura: strong sign ... #Vasculitides #differential