24 results
Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 • Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 • Lymphoma
 •
Mediastinal Mass ... Anterior Mediastinal Mass ... hemangioma), Fat (lipoma ... Tumors • Vascular Mases ... #Mediastinal #Mass
Neck Mass - Differential Diagnosis Framework
Inflammatory:
 • Viral (reactive): EBV, HIV
 • Bacterial: Staph/Strep, Tularemia, Brucella
Neck Mass - Differential ... Melanoma • Benign: Lipoma ... BCM_InternalMed #Neck #Mass ... Differential #Diagnosis #causes
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
Summary table of ... Fluid-filled, round mass ... may have fever Lipoma ... well-circumscribed mass ... #table
Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
Mediastinal masses ... in Mediastinal masses ... #Mediastinal #Mass ... #Differential #Table
Pulmonary Artery Aneurysm on Echocardiogram

Aneurysm of RPA with thrombus appear as a huge mass compressing LA/mass
appear as a huge mass ... compressing LA/mass ... A case of VSD Eisenmenger ... Echocardiogram #POCUS
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
correctly diagnose a case ... that any given case ... implies being able ... it has a narrow focus ... #Calculation #Table
Left Atrial Appendage Myxoma

All that glitters is not gold. All mass in LAA is not clot.
All mass in LAA ... extremely rare case ... Masson tumor, Lipoma ... echocardiogram #pocus
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... mast-cell degranulation ... types #allergy #table
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... fever, fatigue, Nausea ... Skin histology - Mast ... rheumatology #comparison #table
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
in up to 30% of cases ... features: Mobile mass ... Marantic #diagnosis #table