12 results
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... malignancies, autoimmune ... infection and autoimmune ... Mycoplasma classic), autoimmune ... #differential #diagnosis
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential Diagnosis ... Viral: HIV, HCV, EBV ... : ITP, HITT - Autoimmune ... #Framework #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Auto-amplification loop Diagnosis ... solid cancers • Autoimmune ... Drugs, Unknown cause ... Lymphohistiocytosis #diagnosis ... treatment #summary #rheumatology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential Diagnosis ... replacing the BM ... replacing the BM-common ... #differential #diagnosis ... #causes #hematology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential Diagnosis ... Algorithm Vascular Causes ... HBV, HCV, HEV, EBV ... Celiac disease • Autoimmune ... : Autoimmune hepatitis
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• History of EBV ... Immunosuppression • Autoimmune ... lymph node biopsy (diagnostic ... Hodgkins #lymphoma #diagnosis ... classification #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... glomerulonephritis) • Anti-GBM ... mucositis - Rash ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... , mucositis • Rash ... tract, and often causes ... pain and GN Anti-GBM ... #Rheumatology
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Lymphocytopenia DIAGNOSTIC ... W/ LOW CD4 • Autoimmune ... EBV. CMV. ... #hematology #Differential ... #Causes #lymphocytopenia
Lichen Planus- ...On examination, numerous purple papules were noted on the anterior surface of the forearms
sawtooth rete pegs ... confirming the diagnosis ... Although the cause ... thought to be an autoimmune ... #NEJM #clinical