14 results
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Ulcers of the Lower Legs ... Metabolic: • Pyoderma gangrenosum ... Melanoma #Lower #Legs ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
Dermatoses (PPD) - Capillaritis ... - This iron causes ... brown tint of the rash ... involvement is less ... differential #diagnosis #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Pinpoint areas (less ... • Abdominal ultrasound ... Diagnosis #Algorithm #Causes ... #dermatology #physicalexam
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
rapidly evolving rash ... marine microbiota & causes ... , hypotension, rash ... #cellulitis #dermatology ... #legs #clinical
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... Maculopapular rash ... resemble pyoderma gangrenosum ... #rash #diagnosis
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... Usually on lower legs ... eruption on lower legs ... Eczematous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
potential inciting causes ... Haverhill fever caused ... Rash is usually ... acquired dermal macular ... differential #diagnosis #dermatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Causes: - Idiopathic ... DDX: - Pyoderma gangrenosum ... Syndrome #diagnosis #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and/or pulmonary capillaritis ... tract, and often causes ... mucositis - Rash ... ulcers, cutaneous, ocular ... Syndrome: - Ocular
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, mucositis • Rash ... ) • Pulmonary capillaritis ... tract, and often causes ... purpura (lower legs ... Cogan syndrome: Ocular