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

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... sclerosis (white "ash ... #disorders #skin ... #dermatology #Differential ... #causes
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Skin Hypopigmentation ... Localized Acquired • Tinea ... #disorders #skin ... #dermatology #Differential ... #causes
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Skin Hyperpigmentation ... • Melasma • Tinea ... #disorders #skin ... #dermatology #Differential ... #causes
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 ... rigors, diarrhea, nausea ... #photo
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 ... Vasculitis - Collagen disorders ... 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
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Sweet Syndrome Acute ... Rare Disorder: ... - Rash: multiple ... Causes: - Idiopathic ... #dermatology #oncology
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... resembling rashes caused ... faint that they are ... #Diagnosis #Clinical ... #Photo #Dermatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... CD4+/CD8+ ratio are ... #rheumatology #dermatology ... #diagnosis