8 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... diagnosis: secondary ... syphilis (involve ... nummular eczema, tinea ... #photo #PhysicalExam
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Focal / Localized ... - Secondary to Skin ... • Secondary syphilis ... #HairLoss #Alopecia ... #dermatology #Differential
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... - Secondary to Skin ... • Secondary syphilis ... #HairLoss #Alopecia ... #dermatology #Differential
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... , hence the name ... skin of inflamed ... #foot #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... infection - RMSF - Henoch ... cryoglobulins • Skin ... #Causes #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Herald's atch • Tinea ... • Secondary Syphilis ... Papulosquamous #SkinRash #dermatology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Diagnosis Framework ... Localized / Focal ... #Diagnosis #dermatology ... #Hairloss
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
dorsal aspect of foot-shoe ... with site, (e.g„ tinea ... ; pruritis #dermatology ... #rash #differential ... #diagnosis #skin