22 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... stress - Do not ... palms/soles - Differential ... Pityriasis #rosea #clinical ... #dermatology #photo
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Fecal occult blood test ... cryoglobulins • Skin ... #dermatology #physicalexam
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... marine microbiota & causes ... cellulitis w/ black spots ... #cellulitis #dermatology ... #legs #clinical
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
rash in association ... Edema in 70% of cases ... Skin involvement ... Resolution > 15 days Differentials ... #Syndrome #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... medications, foods, stress ... after group A Strep ... comparison #table #differential ... #diagnosis #dermatology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Capitis - Skin ... Examine the entire skin ... texture at bald spots ... #Diagnosis #dermatology
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... reddish brown spots ... resembling rashes caused ... #Diagnosis #Clinical ... #Photo #Dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... #rash #diagnosis
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
tissue (Staph/Strep ... dogs & latter can cause ... gram-negative bacillus cause ... #Rash #dermatology ... #clinical #photo
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... auricular papules Clinical ... -74%] • Blood tests ... #rheumatology #dermatology