13 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Endocarditis, Idiopathic ... to Kidney: Anti-GBM ... #differential #diagnosis ... #algorithm #rheumatology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... - Differential Diagnosis ... Infectious • EBV ... #Algorithm #Causes ... #Hematology #Oncology
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
- Differential Diagnosis ... Brucellosis, Q fever, EBV ... Malignancy: - Hematologic ... Kikuchi disease, Idiopathic ... #Differential #Diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Infections+++: Virus (EBV ... biologics (CMV +++, EBV ... Drugs, Unknown cause ... of emergency, ICU ... #management #treatment
Post-Transplantation Lymphoproliferative Disorders (PTLD)
Definition: Lymphoid and/or plasmacytic proliferations that occur as a result of immunosuppression in
symptoms, unexplained hematologic ... extralymphatic tissues Diagnosis ... to 50% of PTLD cases ... Lymphoproliferative #Disorders #oncology ... #diagnosis #management
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
and petechiae Causes ... - Radiation • Idiopathic ... Aplastic #Anemia #oncology ... #hematology #diagnosis ... #management
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Idiopathic CD4 Lymphopenia ... DIAGNOSTIC ... EBV. CMV. ... #diagnosis #hematology ... #Differential #Causes
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential Diagnosis ... HSV, Varicella, EBV ... - Juvenile RA/Idiopathic ... Knee #Effusions #causes
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• History of EBV ... supraclavicular node • Anterior ... lymph node biopsy (diagnostic ... classification #hematology ... #oncology #management
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Mechanisms: • Idiopathic ... bouts of HTN Diagnostic ... • Infectious causes ... Brucellosis - Dengue, EBV ... #management #neurology