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
-6011359#5 #diagnosis ... #differential # ... symptoms #signs ... #dermatology #skin ... #skinrash
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... Diagnosis Algorithm ... Multiforme - Target lesions ... #Reactive #SkinRash ... #dermatology #Differential
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential ... Diagnosis Algorithm ... Vascular #Vasculitis #SkinRash ... #dermatology #Differential
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Blastomycosis Skin Lesion ... Diagnosis? ... heaped up borders); differential ... Blastomycosis #SkinRash ... #dermatology #clinical
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... #Dissociation #TerryThomas ... Scaphoid #Carpal #Radiology ... #Orthopedics #Sports
Diagram of different types of bone tumors that can occur around the knee on XRay -
- punched out lesions ... blade of grass sign ... #Bone #Tumors #Diagnosis ... #Bony #Differential ... #Radiology #XRay
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... or fluid-filled lesions ... Ill-appearing, vital sign ... #Dermatology #Rash ... Targetoid #Algorithm #Differential
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash - Differential ... Diagnosis Algorithm ... / Erythematous lesions ... #Pustular #SkinRash ... #dermatology #Differential
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Diagnosis Algorithm ... Auspitz sign, Koebner's ... (Ring- shaped) lesion ... Papulosquamous #SkinRash ... #dermatology #Differential
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Vasculitis #dermpath #dermatology ... #semiology #signs ... #lesions #diagnosis ... manifestations #pathology #lesions ... #differential