7 results
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
• Addison's disease ... McCune Albright syndrome ... #disorders #skin ... #dermatology #Differential ... #causes
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... EGPA • Solid cancers ... #manifestations ... #pathology #lesions ... #differential
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Skin Hyperpigmentation ... • Addison's disease ... #disorders #skin ... #dermatology #Differential ... #causes
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Manifestations: ... gangrenosum • Cutaneous ... hypertrichosis, hyperpigmentation ... anemia due to cold ... #Monoclonal #Differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... Agglutinin Syndrome ... Viral Infection Clinical ... presentation) • Cutaneous ... younger pts) Differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Manifestations: ... ) • Cutaneous Lesions ... (Clinical Dx). ... ) Differential Diagnosis ... : monoclonal TNF-aIpha
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
malignancies, vasculitis ... Manifestations ... cryoglobulins • Negative causes ... Biopsy: Typical pathologic ... Antiphospholipid syndrome