36 results
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
Janeway Lesion: ... , erythematous lesions ... endocarditis, in this case ... Clinical #Photo #Dermatology ... #SkinRash #Janeway
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
Mycosis fungoides (cutaneous ... Trunk #Sacral #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... the context of cutaneous ... Vasculitis #dermpath #dermatology ... semiology #signs #lesions ... manifestations #pathology #lesions
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Mycosis fungoides (cutaneous ... • Bleomycin Hematologic ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Multiforme - Target lesions ... #Reactive #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... Vascular #Vasculitis #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
/ Erythematous lesions ... thick honey-yellow crusts ... #Pustular #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
replicates within CNS ... invade URT & via hematologic ... induces vascular & CNS ... CNS and hematologic ... persists as skin lesions
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
vasculitis) • Cutaneous ... basal ganglia, CNS ... meningitis), MCC CNS ... collaboration • CNS ... signs #symptoms #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
hemorrhagic skin lesions ... • Secondary Causes ... deficiencies - PNH ... Differential #Diagnosis #hematology ... #rheumatology #