3099 results
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... violaceous papules & plaques ... Well demarcated plaques ... phenomenon • Lichen Planus ... Diagnosis #Algorithm #causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... edematous papules & plaques ... Diagnosis #Algorithm #causes
Dematoses in Pregnancy - Specific Skin Conditions
Non-Pruritic
 • Pustular psoriasis of pregnancy
 • Impetigo Herpetiformis
Pruritic -
Pruritic urticarial plaques ... dermatoses #pregnancy #rash ... Diagnosis #Algorithm #causes
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
annular lesions and plaques ... alopecia • Red plaques ... hair follicles -> causes ... plugging -> Discoid Rash ... Malar (butterfly) Rash
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... ) erythematous plaques ... Yellowish-red plaques ... Diagnosis #Algorithm #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
potential inciting causes ... Haverhill fever caused ... Rash is usually ... variant of lichen planus ... Fever + facial rash
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
- This iron causes ... brown tint of the rash ... tend to fuse in plaques ... circumscribed patches and plaques
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Scarlatiniform rash ... Yersinia pestis - Plague ... #differential #causes
Genital Ulcers - Atypical causes of genital ulcers that can be difficult to diagnose & manage.
Ulcers - Atypical causes ... intensely red patch/plaque ... +/- psoriatic rash ... Ulcers #Atypical #causes
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Elevated - Papules / Plaques ... Elevated - Papules / Plaques ... Elevated - Papules / Plaques ... Erosive Lichen Planus ... Diagnosis #Algorithm #causes