13 results
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
cytokines (TNFa,lL1, IL6 ... Drugs, Unknown cause ... PTLD), allogeneic HSCT ... Lymphohistiocytosis #diagnosis #management ... treatment #summary #rheumatology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Hb > 16.5 g/dL/HCT ... : Hb > 16 g/dL/HCT ... Polycythemia - Acquired Causes ... Diagnosis #Algorithm #hematology
Hemophagocytic Lymphohistiocytosis (HLH) Treatment
Primary HLH:
 - HLH-94 Protocol
    • Dexamethasone
steroids • In mild ... cases associated ... Options for severe cases ... #Treatment #management ... #hematology
Post-Transplantation Lymphoproliferative Disorders (PTLD)
Definition: Lymphoid and/or plasmacytic proliferations that occur as a result of immunosuppression in
• Allogeneic HSCT ... haploidentical>unrelated>HLA ... symptoms, unexplained hematologic ... to 50% of PTLD cases ... oncology #diagnosis #management
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Hb>16.5 g/dL, Hct ... Hb>16.0 g/dL, Hct ... Better call hematology ... Algorithm #workup #hematology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
= nonspecific (nausea ... AP, ↑INR, ↑BUN/Cr ... ↓Antithrombin Ill ... infiltration) Differential ... Liver #Pregnancy #hepatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Arterial Thrombosis - Differential ... contraceptives - HRT ... Ischemic Liver, IBD ... pathophysiology #hematology ... #differential #
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... , cavities • HRCT ... BOOP #pulmonary #ILD ... #diagnosis #management
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
of about three cases ... Immunohistochemical studies (to differentiate ... cycles without XR ... classification #hematology ... #oncology #management
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
and petechiae Causes ... • Allogeneic HSCT ... Anemia #oncology #hematology ... #diagnosis #management