9 results
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... on hands and feet ... Generalized itchy rash ... SAPHO syndrome ( ... #Pustular #Skin
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... / Erythematous lesions ... Erythematous papules and ... Dermatitis - Perioral, periorbital ... borders of lips Infectious
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... papulonodular lesions ... #clinical #photo ... #hand
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... on the back of hands ... classic targetoid lesions ... neonatorum • Pustular ... that smear of the pustular
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... treatment, the infection ... heaped, wart-like lesions—Condyloma ... the palms of the hands ... Diagnosis #Clinical #Photo
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
to exclude are infections ... , mucositis • Rash ... occasional oligoclonal bands ... cutaneous vesicles, pustules ... , recent viral infection
Symmetrical Drug-Related Intertriginous and Flexural Exanthema (SDRIFE)

49M +burning rash groins/buttocks (pic in next thread) x 1d.
; no oral/palm lesion ... for a recent ear infection ... known as baboon syndrome ... rarely exhibit pustules ... #clinical #photo
Monkeypox Skin Rash
30 yr F and her 6 yr daughter purchased 2 prairie dogs 10 days
Monkeypox Skin Rash ... 30 yr F and her ... papules→vesicles→pustules ... Indiana University Infectious ... SkinRash #clinical #photo
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Tenderness → Consider infectious ... ) • Anti-Mi2 (skin ... lesions) • Anti-TIF1 ... Symptoms: • Gottron rash ... • Mechanic's hands