13 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: round cysts, evenly ... central dot. - LIP ... #Clinical #Diagnosis ... #Cysts #Differential ... #Comparison #Table
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Unicameral Bone Cysts ... Aneurysmal Bone Cysts ... Fibroma Multiple Lytic ... BoneLesion #XRay #MSK ... #Orthopedics #Causes
Pes Anserine Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal along the medial aspect of
possible parameniscal cyst ... Differential diagnosis ... : • Popliteal Cyst ... (Baker Cyst): found ... • Parameniscal cyst
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Acidosis - Differential ... of lactate as a clinical ... a multitude of clinical ... Ethylene glycol - HIV ... Acidosis #Elevation #Differential
Intracardiac Septal Masses / Thickening on Echocardiogram - Differential Diagnosis - 4 separate cases:
Case 1: LV
Echocardiogram - Differential ... Cyst Ashwag ... Echocardiogram #clinical ... #a4c #comparison ... #Differential #
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 ... Aneurysmal bone cyst ... #differential # ... diagnosis #msk #
Cyclosporiasis - Diagnosis and Management Summary
Pathogen: 
 • Cyclospora cayetanensis
 • Foodborne, waterbone, and soil-transmitted.
 •
• Unsporulated cysts ... frequently reported in Latin ... Immunocompromised host (HIV ... • Anorexia, Nausea ... routine O&P • Clinical
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... 90% are smokers, cysts ... patients with HIV ... another typical case ... #Clinical #Radiology
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
Differential Diagnosis ... • ACL ganglion cyst ... - Can cause ... #mri #clinical ... Radiology #diagnosis #msk
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
Pathologic Fracture - MSK ... Differential diagnosis ... • Simple bone cyst ... : Central, "cyst-like ... Aneurysmal bone cyst