12 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... Differential Diagnosis ... Nasopharyngeal carcinoma ... #rash #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... hemorrhage, which are ... cryoglobulins • Skin ... #Algorithm #Causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... mucositis - Rash ... Differential Diagnosis ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... , mucositis • Rash ... tract, and often causes ... #Rheumatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... papules) on the arms ... Causes: - Idiopathic ... Leukocytoclastic vasculitis
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... resembling rashes caused ... faint that they are ... #Diagnosis #Clinical ... #Photo #Dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... of necrotizing vasculitis ... • Causes are multiple ... #differential #diagnosis ... #dermatology #compared
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dogs & latter can cause ... gram-negative bacillus cause ... the key to the diagnosis ... #Rash #dermatology ... #clinical #photo
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Extensor surfaces of arms ... • Basal cell carcinoma ... Squamous cell carcinoma ... #rash #differential ... #diagnosis #skin
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
subcutaneous edema Pts ... (blue-purple) rash ... • Erythematous rash ... Muscle atrophy may cause ... Dermatomyositis #diagnosis