25 results
Decompression Sickness - The physical examination revealed diffuse violaceous skin mottling over his trunk and arms
#Clinical #Derm ... #EM #Radiology # ... #Pneumatosis #CT ... #NEJM
Causes of SVC Syndrome - Differential Diagnosis Framework
 • Benign (15-40%): Thrombosis (aka catheter-associated), Goiter, Fibrosing
- Differential Diagnosis ... Fungal Infection, Aortic ... SCLC, NSCLC, NHL, Germ ... Cancers, Metastatic Disease ... #Differential #Diagnosis
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... Retroperitoneum and aorta ... concentration PET-CT ... supporting long-term ... IgG4 #Related #Disease
Computed tomography (CT) of the abdomen showed air in multiple small cysts within the wall of
Computed tomography (CT ... consistent with a diagnosis ... of pneumatosis cystoides ... #Radiology #CT # ... #Pneumatosis #NEJM
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... cause of renal disease ... MRA; abdominal CT ... Hyperthyroidism • Aortic ... #Differential #Diagnosis
Retinal vs Choroid Detachment - Head CT Comparison and Diagnosis

RETINAL DETACHMENT
 - Reduced visual acuity, flashes,
Detachment - Head CT ... Comparison and Diagnosis ... Coats disease) ... - Converges on optic ... HeadCT #Comparison #Diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... Goodpasture's Disease ... anti-ANCA ab, anti-GBM ... resolution chest CT ... #differential #diagnosis
Salmonella Aspiration on Microscopy

66 y/o male with history of coronary artery disease presents with abdominal pain.
coronary artery disease ... CT abd/pelvis shows ... an abdominal aortic ... Diagnosis ?
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... antibody, Anti-GBM ... Other tests: • CT ... seen on chest CT
Mediastinal Mass - Differential Diagnosis Framework

Anterior Mediastinal Mass - 5T’s
 • Thymic neoplasm
 • Teratoma (or
- Differential Diagnosis ... Lymphoma • Thoracic aorta ... both Hodgkin's disease ... aneurysm and aortic ... #Differential #Diagnosis