18 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Pain - Differential ... Polyarticular Join Pain ... & Symmetrical Rash ... Cellulitis • Necrotizing ... #JointPain #MSK
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
Necrotizing Fasciitis ... failure) with severe pain ... at the site of infection ... Clinical #Photo #Dermatology ... #SkinRash #Necrotizing
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
Necrotizing Fasciitis ... As the infection ... of illness and pain ... Clinical #Photo #Dermatology ... #Leg #SkinRash
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... Rash • Human ... Malar rash ... Sarcoidosis #dermatology ... #rashes #differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... burning sensation or pain ... reticularis Differential ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... - Differential ... foliaceus - Infectious ... Vesiculobullous #SkinRash ... #dermatology #Differential
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... borders of lips Infectious ... #Pustular #SkinRash ... #dermatology #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... - Trauma - Infection ... lesions • Severe pain ... #Differential # ... Algorithm #Causes #dermatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
vasculitis (10%) • Necrotizing ... vasculitis (5%): PAN ... vasculitis (3%) • Infections ... Vasculitis #dermpath #dermatology ... pathology #lesions #differential
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Skin Ulcers - Differential ... multiforme • Acute necrotizing ... Herpes simplex infection ... #Oral #mouth #SkinRash ... #dermatology #Differential