15 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness, rash ... Elevated ESR, Normal ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... Manifestations: Malar rash ... #sle #comparison ... #table #rheumatology ... #diagnosis #management
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... Autoimmune Vasculitis (lupus ... #Differential # ... #physicalexam
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
SLE : systemic lupus ... LungDisease #CTILD #Diagnosis ... #Differential # ... Comparison #Table ... #Pulmonary #Rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... Nephropathy 16% - Oral ... (aPL) 30-45% Differential ... Diagnosis and Lupus ... #rheumatology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... also arise in normal ... #oncology #diagnosis ... #differential # ... hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
sedimentation rate + Normal ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... Malignancy (e.g. hematologic ... Erythematosus #Diagnosis
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Arterial Phase, Portal ... POCUS #radiology #differential ... #diagnosis #comparison ... #table #appearance ... #hepatology
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Arterial Phase, Portal ... CT #radiology #differential ... #diagnosis #comparison ... #table #appearance ... #hepatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... form of acquired dermal ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology