17 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... parallel to lines of skin ... Differential diagnosis: secondary ... nummular eczema, tinea ... #dermatology #photo
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... trailing scale that lags ... Commonly mistaken for tinea ... Most cases are idiopathic ... EAC #clinical #photo
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... skin of inflamed ... hyperkeratotic w/ erythema ... type #clinical #photo
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... Secondary to venous ... Well-demarcated erythema ... Diagnosis #Algorithm #causes
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... Skin rash and malaise ... ▪ “Rash” (75% ... resembling rashes caused ... #Clinical #Photo
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... rapidly evolving rash ... Vibrio #Vulnificus #skin ... #dermatology #legs ... #clinical #photo
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... rigors, diarrhea, nausea ... purpura fulminans secondary ... Purpura #Fulminans #Skin ... #photo
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Occurs on the arms, legs ... ) on the arms, legs ... Causes: - Idiopathic
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Ankles, lower legs ... honey-colored crusts ... collarette of scale • Tinea ... with site, (e.g„ tinea ... #dermatology #rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Pinpoint areas (less ... in primary or secondary ... cryoglobulins • Skin ... Diagnosis #Algorithm #Causes