10 results
Cutaneous Manifestations of Monoclonal Gammopathy
 • Extravascular lg Deposits: Systemic amyloidosis, Nodular amyloidosis, Macroglobulinoderma, Follicular hyperkeratotic
Cutaneous Manifestations ... cryoglobulinemia, Cold agglutinin ... disease, Xanthomatosis ... #dermatology #skin ... #clinical
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Tanning • Adverse cutaneous ... • Addison's disease ... McCune Albright syndrome ... #disorders #skin ... #dermatology #Differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Syndrome (CAS): ... Viral Infection Clinical ... presentation) • Cutaneous ... younger pts) Differential ... #anemia #hematology
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Skin Hyperpigmentation ... Tanning • Adverse cutaneous ... • Addison's disease ... #disorders #skin ... #dermatology #Differential
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... EGPA • Solid cancers ... Vasculitis #dermpath #dermatology ... #manifestations ... #differential
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Manifestations: ... gangrenosum • Cutaneous ... hypertrichosis, hyperpigmentation ... Paraproteinemias #Hematology ... #Monoclonal #Differential
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... : • Clinical triad ... • Autoimmune diseases ... Cryoglobulins: - Composed ... Henoch-Schönlein purpura) • Cutaneous
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
: infections (cutaneous ... dermal macular hyperpigmentation ... associated with cancers ... comparison #table #differential ... #diagnosis #dermatology
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
Manifestations ... cryoglobulins • Negative causes ... Biopsy: Typical pathologic ... Antiphospholipid syndrome ... #hematology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Causes of Monoclonal ... gammopathy, and skin ... changes (POEMS syndrome ... gastric tumors • Hematology ... #diagnosis #hematology