10 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... CAUSES OF PALPABLE ... #Diagnosis #hematology ... #rheumatology # ... #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... • Goodpasture syndrome ... Polyangiitis #GPA #dermatology ... #rheumatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... Granulomatous lymphocytic ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Clinical Presentation ... Headaches • Pale skin ... and petechiae Causes ... #oncology #hematology ... #diagnosis #management
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... - infiltrates (anemia ... CLL -> Invade Skin ... #Leukemia #Hematology ... #Oncology #Diagnosis
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
2019 (COVID-19) ... cryoglobulins • Negative causes ... Antiphospholipid syndrome ... #rheumatology # ... hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
: • Clinical triad ... of Palpable purpura ... • Autoimmune diseases ... #types #classification ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... tract, and often causes ... -> causing palpable ... #diagnosis #rheumatology ... #classification
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
just beneath the skin ... Out Secondary Causes ... Myeloproliferative Disease ... blood count with differential ... #diagnosis #hematology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Hodgkin Lymphoma - Clinical ... Immunohistochemical studies (to differentiate ... number of sites of disease ... #hematology #oncology ... #management