15 results
Since these risk factors are numerous and have different effects on the malignancy risk, it is
effects on the malignancy ... probability of malignancy ... [8](Table). ... #Diagnosis #EBM
Size
A solitary pulmonary nodule (SPN) is defined as a single intraparenchymal lesion less than 3 cm
cm are usually malignant ... either benign or malignant ... the chance of malignancy ... listed in the table ... #EBM #Radiology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Bacterial • Viral (EBV ... Infiltrative - Non-Malignant ... Infiltrative - Malignant ... Algorithm #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
concerning for malignancy ... → Refer to hematology ... workup, including BM ... treatment • Malignancy ... Inflammatory Conditions: Rheumatologic
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Body Myositis (IBM ... clinical #diagnosis #rheumatology ... #table
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Coxsackie, CMV, EBV ... Hantavirus • Malignant ... management #treatment #rheumatology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
most common) - Malignancy ... Deficiencies #Summary #table ... comparison #diagnosis #hematology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Viral: HIV, HCV, EBV ... infiltration: malignancy ... Diagnosis #Framework #hematology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Celiac disease Anti-GBM ... diseases #diagnosis #table ... #rheumatology #
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
older 50-70 • Malignant ... Immunosuppression (e.g., HIV), EBV ... #differential #hematology