11 results
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
endocarditis, in this case ... Photo credit, Josh ... Goldberg, M.D. - UCSD ... #Dermatology #SkinRash ... #Endocarditis #UCSDH
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... hemorrhagic skin lesions ... deficiencies - PNH ... #Diagnosis #hematology ... #nonpalpable #dermatology
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential ... Vasculitis #SkinRash #dermatology ... #Differential # ... Diagnosis #Algorithm #causes
Embolic Phenomena: Purplish discoloration of skin resulting from embolus to small toe. In this case, the
In this case, the ... Goldberg, M.D. - UCSD ... Images #Clinical #Dermatology ... Endocarditis #Janeway #Lesions ... #Photo #UCSDH
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Arterial Thrombosis - Differential ... atherosclerotic lesions ... pathophysiology #hematology ... #differential # ... diagnosis #vascular
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... reddish-purple lesions ... Disruptions in vascular ... #dermatology #physicalexam
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Haverhill fever caused ... acquired dermal macular ... classic targetoid lesions ... comparison #table #differential ... #diagnosis #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... pulse deficits vascular ... tract, and often causes ... #Diagnosis #Rheumatology
Rickettsialpox Eschar

40 homeless male from NY admitted with fever, chills, headache, myalgias. Diagnosis?
Rickettsialpox R akari classic
Can have 20-40 lesions ... Pts can recover ... other infections vesicular ... rakari #clinical #photo ... #skinrash #dermatology
Cutaneous Mucormycosis Eschar
30 M HIV cd4 10 VL 30k traumatic injury of arm few months ago
immunosuppressed pts ... cutaneous mucor cases ... from center of lesion ... Mucormycosis #Eschar #dermatology ... skin #clinical #photo