9 results
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 ... #disorders #skin ... #dermatology #Differential
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Skin Hypopigmentation ... sclerosis (white "ash ... Localized Acquired • Tinea ... #disorders #skin ... #dermatology #Differential
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... syphilis (involve ... nummular eczema, tinea ... rosea #clinical #dermatology ... #photo #PhysicalExam
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Skin Hyperpigmentation ... Diagnosis Algorithm Diffuse ... • Melasma • Tinea ... #disorders #skin ... #dermatology #Differential
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... Rash Secondary ... Skin rash and malaise ... #Clinical #Photo ... #Dermatology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Infectious • Tinea ... to Skin Disease ... Shafts • Tinea ... syphilis #Diffuse ... HairLoss #Alopecia #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Herald's atch • Tinea ... central clearing • Secondary ... Syphilis - Red
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Rosacea Pustular Diffuse ... Generalized itchy rash ... eruption • Diffuse ... Secondary syphilis ... Differential #Diagnosis #Dermatology
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 ... post-inflammatory hyperpigmentation ... Fungal Infections (Tinea ... Drug Reactions: Diffuse