31 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Rash • Human ... • Rheumatic fever ... gangrenosum • IBD ... Antiphospholipid-antibody syndrome ... differential #diagnosis
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... syndrome (SSS) ... and toxic shock syndrome ... rash but without ... Rash #Algorithm
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... malaise) - Muscle pain ... Inflammation and pain ... : - Biopsy - Microscopic
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... 3rd Decade Skin ... Differential Diagnosis ... Arthritis: • Joint pain ... to: Arthritis, Fever
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
triad (<10%): fever ... , rash, eosinophilia ... eosinophiluria, microscopic ... hematuria, mild ... Algorithm #nephrology #diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: Fever ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... Demyelinating syndromes ... lesions Abdominal pain
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... burning sensation or pain ... Polyarteritis nodosa • Microscopic ... • Goodpasture syndrome ... #dermatology #rash
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... sp. pruritic, erythematous ... skin of inflamed ... type #clinical #photo
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... • Bursitis • IBD ... thrombophlebitis Skin ... /swelling - Fever ... #differential #diagnosis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain ... - Differential Diagnosis ... Systemic Lupus Erythematosus ... Sicca) Syndrome ... polyangiitis (GPA)/microscopic