9 results
Idiopathic Inflammatory Myopathies (IIM's)

RASH + MUSCLE WEAKNESS → Consider idiopathic inflammatory myopathies (IIM's)

 • Overlap Myositis
that occurs in association ... connective tissue disease ... antisynthetase syndrome ... IIMs #diagnosis #rheumatology ... #dermatology #Myopathy
Monoclonal Gammopathy of Clinical Significance (MGUS) - Differential Diagnosis

Neurologic-Centered:
 (+) Systemic Features: POEMS, AL amyloid, Cryoglobulinemia
late-onset nemaline myopathy ... capillary leak syndrome ... Ig deposition disease ... Differential #Diagnosis #hematology ... #oncology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
with disease activity ... SLE-SSc-AlM overlap syndromes ... with auto-immune diseases ... erythematosus #diagnosis #rheumatology ... #table #ANA
Hydroxychloroquine - Risks and Benefits in Lupus
Benefits:
↓ Disease activity, ↓ Flare, ↓ Damage, ↓ Corticosteroid dose,
Benefits: ↓ Disease ... Prolonged QTc (association ... Neuro-muscular: vacuolar myopathy ... Benefits #Lupus #pharmacology ... #sideeffects #rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... late-onset nemaline myopathy ... Sneddon-Wilkinson disease ... Paraproteinemias #Hematology ... Differential #Diagnosis #Oncology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
cells can indicate disease ... • Richter’s Syndrome ... leukemia • Sezary syndrome ... Leukemia #diagnosis #workup ... #oncology #hematology
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
Sjogren's Syndrome ... , myelopathy, cranial ... Nephrogenic DI Hematologic ... lubricants • Pharmacologic ... #Rheumatology #
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Myeloproliferative Disease ... Workup: • Complete ... #diagnosis #hematology ... #oncology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
RP-ILD), dermato-rheumatologic ... Antisynthetase syndrome ... (also seen in association ... • If myopathy ... #rheumatology #