25 results
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
- Differential Diagnosis ... of hair, eyes, skin ... sclerosis (white "ash ... #dermatology #Differential ... #causes
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Skin Hypopigmentation ... sclerosis (white "ash ... Localized Acquired • Tinea ... #dermatology #Differential ... #causes
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... - Differential diagnosis ... : secondary syphilis ... nummular eczema, tinea ... #photo #PhysicalExam
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... Skin rash and malaise ... #Rash #Diagnosis ... #Clinical #Photo ... #Dermatology
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Acute Purpura Fulminans ... Skin Rash on Physical ... Exam 60 year old ... purpura fulminans secondary ... #photo
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Herald's atch • Tinea ... central clearing • Secondary ... #Algorithm #causes
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... dermatophytes cause ... skin of inflamed ... #foot #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... in primary or secondary ... cryoglobulins • Skin ... #dermatology #physicalexam
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
dermal macular hyperpigmentation ... observed in acute ... • Causes are multiple ... #differential #diagnosis ... #dermatology #compared
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... and vesicles (acute ... Secondary to venous ... #Algorithm #causes