3328 results
Pruritus - Primary Skin Lesion - Differential Diagnosis Algorithm
Macules / Papules / Plaques:
 • Xerosis (dry
Pruritus - Primary Skin ... Macules / Papules / Plaques ... • Xerosis (dry skin ... Psoriasis • Lichen Planus ... Diagnosis #Algorithm #causes
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... violaceous papules & plaques ... Well demarcated plaques ... phenomenon • Lichen Planus ... Diagnosis #Algorithm #causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... == Primary Skin ... Macules / Papules / Plaques ... Psoriasis • Lichen Planus ... Diagnosis #Algorithm #causes
Dematoses in Pregnancy - Specific Skin Conditions
Non-Pruritic
 • Pustular psoriasis of pregnancy
 • Impetigo Herpetiformis
Pruritic -
Pregnancy - Specific Skin ... - Non-Primary Skin ... Pruritic - Primary Skin ... Pruritic urticarial plaques ... 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
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... Erosive lichen planus ... Diagnosis #Algorithm #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... ) erythematous plaques ... Yellowish-red plaques ... 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 ... inflammation on skin
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
and increased skin ... and increased skin ... - This iron causes ... tend to fuse in plaques ... circumscribed patches and plaques
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
Palpable Skin Crepitus ... along fascial planes ... and spaces can cause ... fascial and anatomic planes ... dissect along other planes