9 results
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential Diagnosis ... on hands and feet ... Generalized itchy rash ... Secondary syphilis
Drug Erruption: Extensive maculo-papular rash secondary to allergic reaction to Amoxicillin.
Chest and hand are shown above.

Charlie
maculo-papular rash ... secondary to allergic ... Chest and hand are ... #Dermatology #SkinRash ... Amoxicillin #Palms #Photo
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
on the back of hands ... classic targetoid lesions ... neonatorum • Pustular ... that smear of the pustular ... #differential #diagnosis
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... , wart-like lesions—Condyloma ... the palms of the hands ... #Rash #Diagnosis ... #Clinical #Photo
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... Scaly/Erythematous lesions ... Secondary to venous ... Well-demarcated erythema ... #Eczematous #SkinRash
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
hyperkeratotic lesions ... honey-colored crusts • Herpes ... crusted erosions • Herpes ... #dermatology #rash ... #differential #diagnosis
HSV Herpetic Whitlow Infection of the Finger
20 F presents with painful finger, treated w/ oral cephalexin
Diagnosis? ... oral or genital herpes ... virus into the hand ... onset of edema, erythema ... Vesicular/pustules
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... muscle weakness • Nerves ... , mucositis • Rash ... occasional oligoclonal bands ... cutaneous vesicles, pustules
Monkeypox Skin Rash
30 yr F and her 6 yr daughter purchased 2 prairie dogs 10 days
Diagnosis? ... human-to-human w/ lesions ... papules→vesicles→pustules ... #Monkeypox #SkinRash ... #clinical #photo