413 results
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Haverhill fever caused ... classic targetoid lesions ... neonatorum • Pustular ... that smear of the pustular ... Erythemas #comparison #table
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... / Erythematous lesions ... Folliculitis - Pustules ... thick honey-yellow crusts ... Diagnosis #Algorithm #causes
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... • Pustules < 5-10 ... Rosacea Pustular ... Erosive pustular ... #Skin #Lesions
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
Pustule: 1) Pustules ... Vesiculobullous lesions ... FluidFilled #Vesciular #Pustular
Severe Drug Rashes - Comparison - DRESS | SJS/TEN | AGEP | Erythroderma

DRESS 
 - Onset:
morbilliform eruption, pustules ... possible target lesions ... atypical target lesions ... Facial edema, pustules ... Rashes #Comparison #TABLE
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
erythema and erosive pustules ... Blenorrhagicum - pustular ... keratotic lesions
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Ring-Enhancing Lesions ... syndrome + MRI lesions ... present w/ CNS lesions ... differential #diagnosis #causes
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Purpura, papules, pustules ... Identification of causes ... semiology #signs #lesions ... manifestations #pathology #lesions
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
The lesion could ... neurotransmitter cause ... cause very different ... This lesion causes ... causes hyporeflexia
Dematoses in Pregnancy - Specific Skin Conditions
Non-Pruritic
 • Pustular psoriasis of pregnancy
 • Impetigo Herpetiformis
Pruritic -
Non-Pruritic • Pustular ... Non-Primary Skin Lesion ... - Primary Skin Lesion ... Diagnosis #Algorithm #causes