634 results
Duodenal Mass Lesions - Differential Diagnosis
- Prolapsing Gastric Polyp
- Heterotopic Gastric Mucosa
- Brunner Gland Hyperplasia
- Lymphoid
Duodenal Mass Lesions ... Brunner Gland Hyperplasia ... Lymphoid Nodular Hyperplasia ... Duodenal #Mass #Lesions
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Appearance of Liver Lesions ... Focal nodular hyperplasia ... Metastasis #Liver #Lesions
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... Focal nodular hyperplasia ... Metastasis #Liver #Lesions
Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 • Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 • Lymphoma
 •
Thymoma, carcinoma, hyperplasia ... Thoracic spine lesions
Serrated Polyps
Hyperplastic polyps (HPs):
 • Prevalence: 20-30%
 • Size: Usually small or diminutive (s 5mm)
 •
Serrated Polyps Hyperplastic ... Sessile serrated lesions
Appearance of Liver Lesions on Contrast Enhanced Ultrasound - Early arterial, Grayscale phase, Late arterial phase,
Appearance of Liver Lesions ... Focal nodular hyperplasia ... Metastasis #Liver #Lesions
Appearance of Liver Lesions on Magnetic Resonance Imaging (MRI) - T2, T1 precontrast, T1 portal venous,
Appearance of Liver Lesions ... Focal nodular hyperplasia ... Metastasis #Liver #Lesions
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
adenoma/ bilateral hyperplasia ... congenital adrenal hyperplasia ... furosemide-like lesion
Polyp Incidence on Colonoscopy
Tubular adenoma - 47.2%
Hyperplastic polyp - 16.0%
Tubulovillous adenoma - 17.6%
Normal - 5.6%
Inflammatory polyp
adenoma - 47.2% Hyperplastic ... Sessile serrated lesion
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
negative (small lesions ... Reactive lymphoid hyperplasia