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

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Irreversible-biopsy required • Lupus ... • Loose anagen syndrome ... - Secondary to Skin ... • Discoid lupus ... #dermatology #Differential
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Capitis - Skin ... Disease: Discoid lupus ... Diffuse Hair ... , Loose anagen syndrome ... Differential #Diagnosis #dermatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
erythematosus (SLE ... erythematosus (SLE ... ), Sjogren's Syndrome ... • Nucleolar: Diffuse ... erythematosus (SLE
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... 3rd Decade Skin ... and permanent alopecia ... pneumonitis • Diffuse ... enteropathy, and diffuse
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... IBD • RA • SLE ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... Sarcoidosis #dermatology
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... areas -> Scaring alopecia ... inflammation on skin ... mechanism) -> Alopecia ... #SLE #Mucocutaneous
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... Irreversible-biopsy required • Lupus ... • Loose anagen syndrome ... Psychological stress #Diffuse ... #dermatology #Differential
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... Associated with skin ... block • Sjogren syndrome ... polymyositis overlap syndrome ... #Systemic #Lupus
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
HYPOPIGMENTATION Diffuse ... of hair, eyes, skin ... McCune Albright syndrome ... Hyperpigmentation #disorders #skin ... #dermatology #Differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
erythematosus (SLE ... ), Sjogren's Syndrome ... • Nucleolar: Diffuse ... (SLE), Systemic ... Arthritis, Sjögren Syndrome