35 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Diagnosis Framework ... #differential # ... diagnosis #msk #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... erythematosus (ACLE ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... Clinical Features
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
) • Systemic lupus ... scleroderma) - Anti-Scl ... • Sjögren syndrome ... Anti-Ro/SSA ... Antineutrophil #antibodies #diagnosis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Diagnosis Algorithm ... Arthritis • Systemic Lupus ... Sicca) Syndrome ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
the face (many differential ... diagnoses, including ... search ANA and aPL ... including in children (pediatric ... #diagnosis #sle
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diffuse and Focal) Differential ... Diagnosis Algorithm ... • Loose anagen syndrome ... • Discoid lupus ... #causes
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease - MSK ... DOES NOT OSD in all ... tibial tuberosity Differential ... Schlatter #Disease #Knee ... #msk
Pes Anserine Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal along the medial aspect of
Anserine Bursitis - MSK ... aspect of the knee ... Case description ... Differential diagnosis ... #diagnosis #msk
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... heavy metals), Critical ... #differential # ... diagnosis #neurology
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
Differential Diagnosis ... - Can cause ... #degeneration #knee ... #clinical #mri ... #diagnosis #msk