13 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... Scleroderma Thickened skin ... arthritis Discoid skin ... #joint #pain #skin ... #diagnosis #rheumatology
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Tinea Pedis 70 M chronic ... Diagnosis? ... Moccasin tinea pedis skin ... Either foot may ... type #clinical #photo
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
cough, SOB • Chronic ... loss; CV, CNS, skin ... parasites; Travel hx, food ... Diseases #pulmonary #differential ... #diagnosis #comparison
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Diagnosis Framework ... Back pain • Skin ... Abdominal cutaneous nerve ... #Causes #Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... glomerular ischemia - Skin ... Small Vessels: Skin ... #diagnosis #rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... retinal damage) • Skin ... test (this is a skin ... Behcet disease) Differential ... Recurrent and chronic
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Purpura, ischemic skin ... • Affects the skin ... cmpkx deposits skin ... Vasculitis: • Skin ... #Diagnosis #Rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
visceral organ or nerve ... : • Acute or chronic ... Joint #Pain #MSK #rheumatology ... approach #workup #differential ... #diagnosis #arthritis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
animals • Milk • Food ... Pulmonary • Skin ... • M genavense Skin ... disease, adenitis, skin ... • M fortuitum Skin
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... permanent alopecia Differential ... Seizures • Strokes Skin ... with Lupus: • Chronic ... #Rheumatology