6 results
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... Diagnosis Algorithm ... - Secondary to Skin ... #Alopecia #dermatology ... #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
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Abnormalities in primary ... Vasculitis - Collagen disorders ... cryoglobulins • Skin ... #Causes #dermatology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... a generalized disorder ... #Skin #Primary ... Nomenclature #Atlas #Key ... #Basics
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
arthritis, weight loss ... 3rd Decade Skin ... the context of primary ... pneumonitis • Diffuse ... enteropathy, and diffuse
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 ... o Moist or oozing ... and Key Features ... Drug Reactions: Diffuse