10 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Rheumatic fever ... lesions • Discoid lupus ... erythematosus ... #skin #rashes #differential ... #diagnosis #rheumatology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Lymphadenopathy - Differential ... • Systemic Lupus ... Erythematosus ... Algorithm #Causes #Hematology ... #Oncology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Malar rash 40% - Fever ... (aPL) 30-45% Differential ... #Erythematosus ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... #Diagnosis #Rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... Erythematosus ( ... • Immunologic Workup ... sle #comparison #table ... #rheumatology #
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
to think about lupus ... the face (many differential ... 9) Unexplained fever ... clues #system #erythematosus ... #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... erythematosus ( ... Arthritis #laboratory #workup ... diagnosis #testing #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... ischemia - Skin: erythematous ... such as systemic lupus ... erythematosus, ... #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
acute rheumatic fever ... spondyloarthropathies, lupus ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential #
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• Dyspnea • Fever ... Hodgkin Lymphoma Workup ... Immunohistochemical studies (to differentiate ... classification #hematology ... #oncology #management