11 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Positive ANA ≠ Autoimmune ... context of other symptoms ... ANA #patterns #rheumatology ... #diagnosis #differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Sensitive Antibodies ... Donath-Landsteiner Antibodies ... dehydrogenase • Positive ... younger pts) Differential ... hemolytic #anemia #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... meningitis), MCC CNS symptoms ... Skin lesions • Positive ... ) Differential Diagnosis ... #rheumatology #
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... PT, aPTT(liver disease ... pylori test (GI symptoms ... anti-phospholipid antibodies ... (CVID, WAS), (neurologic
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... • IRIS might ... Demyelinating disease ... and <25% culture positive ... patients with IRIS
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Differential ... Presentation - Systemic Symptoms ... C-ANCA) pattern: antibodies ... #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Erythematous, macular ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Induced Lupus: • Symptoms ... 1, SCL-70, RNP antibodies
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Presentation: Systemic Symptoms ... affects the skin, neurologic ... • Progressive symptoms ... #Diagnosis #Rheumatology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Rheumatologic ... for Blastomyces antibodies ... osteoarticular, pulmonary, ocular ... for Coccidioides antibodies ... infection have positive
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
ingestion • B symptoms ... Immunohistochemical studies (to differentiate ... characteristically CD30 positive ... and usually CD15 positive ... number of sites of disease