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

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

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Localized / Focal ... Diffuse Hair ... Scaling, pustules, crusts ... • Hormonal disorder ... Differential #Diagnosis #dermatology
Skin Hypopigmentation - Differential Diagnosis Algorithm

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

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... hypopigmentation of hair ... sclerosis (white "ash ... #skin #dermatology ... #causes
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Focal / Localized ... Hair Loss (Alopecia ... #Focal #Localized ... #dermatology #Differential ... #causes
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... Diagnosis Algorithm ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
Nonscarring Alopecias ... patches; rarely diffuse ... in 5% of cases ... area of scalp; focal ... other psychiatric disorders
Causes of Petechial Rash - Differential Diagnosis Algorithm

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