46 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection Malar ... infection • Lyme ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... differential #diagnosis #rheumatology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... develop leukostasis syndrome ... • Tumor lysis syndrome ... lymphocytic lymphoma (SLL ... #Oncology #Diagnosis
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... block • Sjogren syndrome ... Treatment: • ... #Systemic #Lupus ... Summary #diagnosis #rheumatology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Congenital Diseases ... Wiskott-Aldrich syndrome ... : • Systemic lupus ... consumption • Vitamin B12 ... deficiency Infections
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
), Sjogren's Syndrome ... : Lupus (SLE), Systemic ... Arthritis, Sjögren Syndrome ... Lymphoproliferative Disorders, Infection ... ANA #patterns #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Vasculitides: Giant Cell ... arteritis, Cogan's Syndrome ... (RA), Systemic lupus ... erythematosus (SLE ... Differential #Diagnosis #rheumatology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
temporalis (giant-cell ... Churg-Strauss syndrome ... malignomas, and infectious ... - systemic lupus ... Vessels #Diagnosis #Rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE ... Demyelinating Syndrome ... Cerebrovascular Disease ... Erythematosus #SLE ... CNS #neurology #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... Hemolytic uremic syndrome ... usually IgG) (e.g. lupus ... , CLL, lymphoma, ... spherocytosis) • Infections
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
non-Hodgkin lymphoma SLL ... weeks without infection ... cells can indicate disease ... microglobulin Treatment ... diagnosis #workup #oncology