37 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Diagnosis Framework ... syndrome - Patches ... disease • Pull test ... Initial Laboratory Tests ... #Differential #Diagnosis
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... ) Differential Diagnosis ... syndrome Discrete Patches ... #Differential #Diagnosis ... #Algorithm #causes
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
Nonscarring Alopecias ... Distribution: generalized Alopecia ... multifocal - Total alopecia ... in 5% of cases ... #differential #diagnosis
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential Diagnosis ... " erythematous patches ... #Differential #Diagnosis ... #Algorithm #causes
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
areas -> Scaring alopecia ... hair follicles -> causes ... plugging -> Discoid Rash ... Malar (butterfly) Rash ... pathophysiology #diagnosis
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... - Differential Diagnosis ... salmon-coloured patches ... a large lesion patch ... #Algorithm #causes
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
aldosterone Causes ... : Most Common Causes ... Serum DHEAS Diagnosis ... - Dark patches ... endocrinology #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... Fecal occult blood test ... #Differential #Diagnosis ... #Algorithm #Causes
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... ▪ “Rash” (75% ... 80%) ▪ Mucous patches ... resembling rashes caused ... #Diagnosis #Clinical
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss (Alopecia ... - Differential Diagnosis ... syndrome Discrete Patches ... #Differential #Diagnosis ... #Algorithm #causes