15 results
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
skin lesions were ... Photo credit, Josh ... Fierer, M.D. ... #Dermatology #SkinRash ... #UCSDH
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
resulting in a vasculitis ... which causes slowly ... ulceration of the skin ... Images #Clinical #Photo ... #Dermatology #SkinRash
Ecthyma Gangrenosum: skin infection associated with Pseudomonas bacteremia. 
Photo credit, Josh Fierer, M.D.

Charlie Goldberg, M.D. -
Ecthyma Gangrenosum ... : skin infection ... Fierer, M.D. ... Images #Clinical #Dermatology ... #UCSDH
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Skin Ulcers of the ... insufficiency • Vasculitis ... Metabolic: • Pyoderma gangrenosum ... ulcerative #skinrash #dermatology ... #Algorithm #causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... resemble pyoderma gangrenosum ... Differential Diagnosis ... #rash #diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... reactions • Erythema gangrenosum ... #Differential #Diagnosis ... #nonpalpable #dermatology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... insufficiency • Vasculitis ... : • Pyoderma gangrenosum ... ulcerative #skinrash #dermatology ... #Algorithm #causes
Nikolsky's Sign in Toxic Epidermal Necrolysis (TEN)

Nikolsky's sign is a clinical dermatological sign which is present
rubbing of the skin ... syndrome, caused ... differentiating between the diagnosis ... #TEN #Dermatology ... #PhysicalExam #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... episcleritis as well as inner ... Differential Diagnosis ... purpura: strong sign
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... cryoglobulins • Skin ... #Algorithm #Causes ... #dermatology #physicalexam