14 results
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cause Organ Damage ... DDX: • ANCA (Antineutrophil ... diagnosis #types #classification ... #rheumatology #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Trauma - Infection ... deficiency Work ... immunoglobulins & cryoglobulins ... Diagnosis #Algorithm #Causes
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
Malignancy • Infections ... • Negative causes ... Cryofibrinogenemia DDX ... Antiphospholipid syndrome ... #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
disease • Infectious ... DDX - Other causes ... : • Nephrotic syndrome ... (Epstein-Barr syndrome ... hypogammaglobulinemia #immunology #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... lymphocyte > 5000/microL ... • Richter’s Syndrome ... Leukemia #diagnosis #workup ... #oncology #hematology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Causes: - Idiopathic ... , breast CA - Hematologic ... DDX: - Pyoderma
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... kidney failure DDX ... SLE], AOSD) • Infection ... Diagnosis #Management #Hematology ... #Rheumatology
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
Framework The DDx ... • Parasitic infections ... cell activation syndrome ... Mastocytosis • Other hematologic ... Differential #Diagnosis #hematology
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Neutropenia - recurrent infections ... and petechiae Causes ... Idiopathic • Infections ... and thymoma DDX ... Anemia #oncology #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... petechiae) • Frequent infections ... • Parvovirus infection ... Workup: • Complete ... #diagnosis #hematology