33 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 ... Fever/Chills/Joint pain ... diagnosis #msk #
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Raise Test - Pain ... lateral inguinal ligament ... MeralgiaParesthetica #MSK ... pathophysiology #differential ... #diagnosis #signs
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Median arcuate ligament ... patient is in the knee-to-chest ... #Rare #Causes ... #differential # ... diagnosis
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Trigonum) Syndrome - MSK ... Case description ... hallucis longus Differential ... flexion but no symptoms ... #msk
Pes Anserine Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal along the medial aspect of
Case description ... Differential diagnosis ... similar location of pain ... Semimembranosus-Tibial Collateral Ligament ... #msk
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Alcohol-induced pain ... : Pain in involved ... Diagnosis of B-Symptoms ... #differential # ... hematology
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Tibial tuberosity pain ... tibial tuberosity Differential ... tear (similar symptoms ... Schlatter #Disease #Knee ... #msk
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
ALP) Elevation - Differential ... Diagnosis Algorithm ... Intestine - Other causes ... - Pain -> RUQ ... #hepatology
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... life-threatening causes ... #Pericarditis #Symptoms ... #Presentation #comparison ... #Table #Diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Tendon • Ligament ... or nerve root Symptoms ... #MSK #rheumatology ... approach #workup #differential ... #diagnosis #arthritis