9 results
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
of hair, eyes, skin ... • Vitiligo Localized ... leaf" macules) Localized ... #disorders #skin ... #causes
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Skin Hypopigmentation ... Differential Diagnosis Algorithm ... • Vitiligo Localized ... #dermatology #Differential ... #causes
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Differential Diagnosis Algorithm ... Hormone induced • Hyperpigmentation ... • Palmar erythema ... #dermatology #Differential ... #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... Lyme in early localized ... dermal macular hyperpigmentation ... • A chronic skin ... differential #diagnosis #dermatology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... / LOCALIZED Scarring ... - Secondary to Skin ... Differential #Diagnosis #Algorithm ... #causes
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Focal / Localized ... Differential Diagnosis Algorithm ... - Secondary to Skin ... #Localized #dermatology ... #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
for Hair Loss Localized ... / Focal Hair Loss ... Capitis - Skin ... , erosions, or erythema ... Examine the entire skin
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
background of hyperpigmentation ... dermatitis - Anywhere - Localized ... on sun-damaged skin ... honey-colored crusts ... ; pruritis #dermatology
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
suggest vascular or hematologic ... post-inflammatory hyperpigmentation ... o Moist or oozing ... o Localized: Often ... palm #dermatitis #erythema