9 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... - Differential ... diagnosis: secondary ... syphilis (involve ... nummular eczema, tinea
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
Early Primary: ... • Painless chancre ... Fever, malaise • Rash ... include palms and soles ... lesions in bone, skin
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... - Differential ... Painless: • Primary ... syphilis (chancre ... ulcerative #skinrash #dermatology
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Primary Syphilis ... - Rash, pink ... Involves palms/soles ... granuIomas on skin ... Latent #Tertiary #Diagnosis
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Herald's atch • Tinea ... • Secondary Syphilis ... plaques on palms and soles
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... skin of inflamed ... erythema around soles ... #foot #dermatology
MR SMITH Mnemonic for Causes of Rashes on Palms and Soles

M - Meningococcemia
R - Rickettsia, Rat
bite fever S - Syphilis ... + Mouth, HIV, HSV ... MRSMITH #Mnemonic #Rash ... Differential #Diagnosis ... #Dermatology
Approach to the Rash in a an oncology patient - MINT-C Mnemonic
M - Malignancy: Leukemia cutis,
Viral infections (HSV ... dermatoses #skin ... #differential # ... diagnosis #cancer ... MINTC #Mnemonic #dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
eczema - Palms, soles ... with site, (e.g„ tinea ... ; pruritis #dermatology ... #rash #differential ... #diagnosis #skin