13 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... #Radiology #CTChest ... #Cystic #Cysts ... #Differential #Comparison
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on POCUS ... 's female with chest ... Differential/diagnosis ... RV, McConnell's sign ... cardiology #McConnells #sign
Pseudobladder of large Ovarian Cyst in Torsion on POCUS - Sagittal View

Young female with sudden pelvic
large Ovarian Cyst ... in Torsion on POCUS ... Diagnosis/differential ... double bladder sign ... #Torsion #POCUS
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... associated with rheumatologic ... Pericarditis #Symptoms #Signs ... #Presentation #comparison ... #Table #Diagnosis
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... Associated Features: Diagnosis ... Inflammatory #Myopathies #differential ... #diagnosis #comparison ... #rheumatology #
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... underarms, or chest ... Malignancies (eg CML ... #differential # ... hematology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(in a V-sign), ... shoulders (in a shawl sign ... Inverse Gottron’s sign ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
Pseudobladder of large Ovarian Cyst in Torsion on POCUS - Transverse View

Young female with sudden pelvic
large Ovarian Cyst ... in Torsion on POCUS ... Diagnosis/differential ... double bladder sign ... #Torsion #POCUS
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
artery aneurysms Diagnosis ... Behcet disease) Differential ... Diagnosis: • Genital ... #management #signs ... #symptoms #rheumatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Face, upper back, chest ... papules, pustules, cysts ... associated with signs ... dermatology #rash #differential ... #diagnosis #skin