20 results
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Smith, Sm/RNP, Scl ... ARUPLabs #ANA #Antinuclear ... #differential #diagnosis ... #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... in drug-induced SLE ... scleroderma) - Anti-Scl ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... test, ANA (e.g., SLE ... changes), high MCV ... #Differential #Diagnosis ... #hematology
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
/dL or CC < 40 ml ... Causes of false- ... amyloidosis Other causes ... Gammopathies #MGUS #diagnosis ... #hematology #oncology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Corpuscular Volume (MCV ... - Differential Diagnosis ... RA, SLE, PRV, Chronic ... #Hematology
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Antinuclear Antibody ... Homogeneous pattern: • SLE ... pattern: • SjS, SLE ... #differential #diagnosis ... #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Ferritin >1000 ng/ml ... sIL-2R >2400 Ul/ml ... Autoimmune diseases: SLE ... Drugs, Unknown cause ... treatment #summary #rheumatology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
-> AML: Blast crises ... lymphocytic lymphoma (SLL ... Lymphocytic Lymphoma (SLL ... #Leukemia #Hematology ... #Oncology #Diagnosis
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Lymphocytopenia DIAGNOSTIC ... CRITERIA FOR ICL ... Autoimmune (Sjogren, SLE ... #diagnosis #hematology ... #Differential #Causes
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... dorsal part of the MCP ... Inverse Gottron’s sign ... Dermatomyositis #rheumatology ... #dermatology #diagnosis