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

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... • Androgenetic alopecia ... facial hair) • Alopecia ... Disease • Discoid ... Diffuse #Focal #HairLoss
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
: • Scarring Alopecia ... Skin Disease: Discoid ... , Traction alopecia ... totalis, Alopecia ... #dermatology #Hairloss
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Localized Hair Loss (Alopecia ... Disease • Discoid ... Brocq • Alopecia ... Secondary syphilis #HairLoss ... #Alopecia #Focal
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
areas -> Scaring alopecia ... follicular plugging -> Discoid ... mechanism) -> Alopecia ... Manifestations #pathophysiology
Spermatogenesis
 - Timing and location Begins at puberty with spermatogonia. Full development takes 2 months. Occurs
Spermatogonium Diploid ... ° spermatocyte Diploid ... #Pathophysiology
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
: Non-scarring alopecia ... Subacute cutaneous or discoid
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss (Alopecia ... • Androgenetic alopecia ... facial hair) • Alopecia ... stress #Diffuse #HairLoss ... #Alopecia #dermatology
Anticonvulsants as Mood Stabilizers: Mechanism and Side-effect
Examples: Valproate, Carbamazepine, Lamotrigine
 • Mild anticholinergic effect -> Drowsiness
, weight gain, alopecia ... #SideEffects #Pathophysiology
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
hair follicles -> Alopecia ... RheumatoidArthritis #RA #pathophysiology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
autoantibodies • Discoid ... and permanent alopecia ... • Nonscarring alopecia