16 results
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Dermatological semiology ... (3%) • Infections ... #dermpath #dermatology ... #diagnosis #clinical ... #differential
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
Infectious manifestations ... leukocytoclastic vasculitis ... #differential # ... diagnosis #dermatology ... #oncology #clinical
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Antiphospholipid-antibody syndrome ... Discoid skin lesions ... Sarcoidosis #dermatology ... #skin #rashes #differential ... #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
hemorrhagic skin lesions ... - Hemolytic anemia ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
, infections, drug ... • Erythema elevatum ... #skin #dermatology ... #rheumatology # ... differential #diagnosis
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... • Nonmalignant hematologic ... hemolysis, deficiency anemia ... , Vasculitides, ... #hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... Diagnosis: Vasculitis ... #Dermatologic ... Polyangiitis #GPA #dermatology ... #rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... , erythema nodosum ... (Clinical Dx). ... Behcet disease) Differential ... signs #symptoms #rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
of necrotizing vasculitis ... classic targetoid lesions ... #comparison #table ... #differential # ... diagnosis #dermatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Erythema elevatum ... Scleromyxedema (Dermato-neuro ... (-) hemolytic anemia ... Paraproteinemias #Hematology ... #Diagnosis #Oncology