13 results
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Photosensitivity, Butterfly rash ... Leucopenia/lymphopenia, Thrombocytopenia ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... : INR/PT, aPTT(liver ... test, ANA (e.g., SLE ... bypass), LFT (liver ... Causes #Workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Splenomegaly - CTD (SLE ... deficiency • Liver ... Associated - SLE ... #hematology #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... Neurological 12% - Thrombocytopenia ... Lupusreference #SLE ... autoantibodies #signs ... #differential #rheumatology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
can present with rash ... , Shaw sign, holster ... sign, and Gottron's ... Can also see mechanics ... #rheumatology
Systemic Lupus Erythematosus (SLE) - Typical Signs/Symptoms
Alopecia, Fever, Malar rash, Photosensitivity, Adenopathies, Lupus pneumonia, Pleurisy, Pancreatitis,
Erythematosus (SLE ... ) - Typical Signs ... , Fever, Malar rash ... , Oral ulcers, Rash ... #diagnosis #rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... Liver biopsies show ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... erythematosus [SLE ... • Liver function ... #Management #Hematology ... #Rheumatology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
non-Hodgkin lymphoma SLL ... Physical Exam/Signs ... phenomenon CLL Diagnosis ... Neutropenia, anemia, thrombocytopenia ... workup #oncology #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... mucositis - Rash ... purpura: strong sign ... vasculitis, and SLE ... #rheumatology #