8 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
likely it will be clinically ... , Polymyositis/Dermatomyositis ... , Interstitial Pulmonary ... ANA #patterns #rheumatology ... #diagnosis #differential
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... shoulders (in a shawl sign ... Inverse Gottron’s sign ... #rheumatology # ... dermatology #diagnosis
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
ab • RF • Antinuclear ... Hypocomplementemia • Can cause ... TYPE IV RTA, TYPE ... salivary ducts Clinical ... #Rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Suspect: Clinical ... permanent alopecia Differential ... , dermatomyositis ... • Type-I Interferonopathies ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... inflammatory lesions-interstitial ... Diagnosis: Systemic ... purpura: strong sign ... #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
papules and Gottron sign ... ) • Shawl sign ... • Conduction system ... #rheumatology # ... differential #diagnosis
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
, Loose anagen syndrome ... Examination: • Signs ... texture at bald spots ... Vitamin D levels Systemic ... #Diagnosis #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis: • Systemic ... purpura: Strong sign ... ischemia • Skin: Erythematous ... tract, and often causes ... #Diagnosis #Rheumatology