12 results
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... Mechanic's hands #AntiMDA5DM ... #AntiMDA5 #Dermatomyositis ... #rheumatology #
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... painless, no systemic signs ... biopsy preferred Differential ... Tb, NTM; less common
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
polyangiitis (GPA) is common ... disease or more commonly ... Maculopapular rash ... reticularis Differential ... #diagnosis #rheumatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
eosinophilia (common ... organ-specific signs ... symptoms (eg, skin ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... associated with signs ... macerated areas with satellite ... #dermatology #rash ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Drug Associated (Commonly ... Associated: (± 100 % Commonly ... mucositis - Rash ... purpura: strong sign ... #diagnosis #rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
of age • Most common ... response to local skin ... Behcet disease) Differential ... diagnosis #management #signs ... #symptoms #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Seizures • Strokes Skin ... Kidney disease common
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... Nodosa: • PAN most commonly ... , mucositis • Rash ... #Diagnosis #Rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
definition: Most common ... systemic sx + signs ... very remarkable w/differential ... required due to skip ... them, but urgent rheumatology