10 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : - LAM: round cysts ... : 'signet ring sign ... #Differential # ... Comparison #Table
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 ... comparison #Table ... #Diagnosis
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
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 #
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
It is rare in presentation ... Presentation / Diagnosis ... : HLH signs and ... Ferritin >500 ng/mL ... management #treatment #hematology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... Diagnosis Framework ... meningovascular (stroke presentation ... Acute meningeal signs ... CNS #Infections #differential
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
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Diagnosis Framework ... Presentation - Systemic ... purpura: strong sign ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... Presentation: Systemic ... purpura: Strong sign ... #Diagnosis #Rheumatology