10 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... diagnosis: secondary syphilis ... nummular eczema, tinea ... rosea #clinical #dermatology ... #photo #PhysicalExam
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... of hair, eyes, skin ... sclerosis (white "ash ... versicolor (more commonly ... #skin #dermatology
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Differential Diagnosis Algorithm ... sclerosis (white "ash ... Localized Acquired • Tinea ... Hypopigmentation #disorders ... #skin #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 ... plaques on palms and soles
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... Skin rash and malaise ... commonly characterize ... #Clinical #Photo ... #Dermatology
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... rubrum is most commonly ... skin of inflamed ... erythema around soles ... #foot #dermatology
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Common sites include ... - Rash, pink ... Involves palms/soles ... rashes, including tinea-mimicker ... granuIomas on skin
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Skin Hyperpigmentation ... • Melasma • Tinea ... versicolor (more commonly ... Hyperpigmentation #disorders ... #skin #dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... eczema - Palms, soles ... with site, (e.g„ tinea ... ; pruritis #dermatology ... #rash #differential
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
depigmentation disorders ... occur in chronic skin ... disease, or bullous skin ... blisters on palms, soles ... Fungal Infections (Tinea