13 results
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
• Leukemia • Lymphoma ... Inflammatory and ... Diseases: • Systemic lupus ... • Epstein-Barr virus ... #Diagnosis #Hematology
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
EULAR/ACR Classification ... Criteria for Systemic ... pericarditis • Hematologic ... low C4, Low C3 and ... Erythematosus #diagnosis #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... (C-ANCA): GPA > ... Glomerulonephritis #Vasculitis #differential ... diagnosis #algorithm #rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Marginal Zone Lymphoma ... Marginal zone lymphoma ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Monoclonal #Differential
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphomas and Lymphoproliferative ... Disorders - Differential ... Lymphoproliferative #Disorders #Classification ... pathophysiology #Hematology ... Diagnosis #NonHodgkin #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Skin Disease Classification ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Chronic B-cell activation ... Erythematosus #Diagnosis #Rheumatology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
-95% of cases) Classification ... Immunohistochemical studies (to differentiate ... Arbor criteria ... #diagnosis #classification ... #hematology #oncology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... SJIA], systemic lupus ... Histopathologic criteria ... Diagnosis #Management #Hematology ... #Rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Activation of CD8 ... IFN-y) → Excessive activation ... Infections+++: Virus ... , B-cell lymphoma ... treatment #summary #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
usually IgG) (e.g. lupus ... , CLL, lymphoma, ... disease, Copper and ... Extravascular #Causes #differential ... #diagnosis #hematology