8 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Vasculitis - Collagen disorders ... cryoglobulins • Skin ... #Causes #dermatology
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Diffuse Congenital ... • Piebaldism Diffuse ... Hypopigmentation #disorders ... #skin #dermatology ... #causes
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... Differential Diagnosis Algorithm ... of hair, eyes, skin ... #skin #dermatology ... #causes
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diagnosis Algorithm ... - Secondary to Skin ... #Alopecia #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Localized / Focal ... Capitis - Skin ... Traction alopecia Diffuse ... Scaling, pustules, crusts ... Examine the entire skin
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... PETECHIAE and PURPURA ... : Petechiae are ... a generalized disorder ... Nomenclature #Atlas #Key #Basics
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Skin Hyperpigmentation ... Diffuse: • Tanning ... Hyperpigmentation #disorders ... #skin #dermatology ... #causes
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 ... depigmentation disorders ... occur in chronic skin ... o Moist or oozing ... Drug Reactions: Diffuse