114 results
Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 • Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 • Lymphoma
 •
Mediastinal Mass ... Anterior Mediastinal Mass ... hemangioma), Fat (lipoma ... Middle Mediastinal Mass ... #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
Duodenal Mass Lesions - Differential Diagnosis
- Prolapsing Gastric Polyp
- Heterotopic Gastric Mucosa
- Brunner Gland Hyperplasia
- Lymphoid
Duodenal Mass Lesions ... Duplication Cyst - Lipoma ... #Duodenal #Mass
TUSA - Testicular UltraSound Algorithm for Scrotal Swelling, Pain or Mass 
- Giuseppe Sfuncia
@Revivan75
#Diagnosis #Testicular #Ultrasound
Swelling, Pain or Mass ... Algorithm #Scrotal #Mass ... Pain #Swelling #POCUS
Blood Clot in the Bladder on POCUS

75yo F with dementia presents from skilled nursing facility with
the Bladder on POCUS ... PoCUS clarified ... with echogenic mass ... blood vs solid mass ... Clot #Bladder #POCUS
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Chemokines, Cytokines, Mast ... Vasculitis #HUV #Pathophysiology
Osteoporosis: Pathogenesis and risk factors

 • Age > 30 (post-peak bone mass)
 • Post-menopausal women ->
post-peak bone mass ... #Osteoporosis #pathophysiology
Anaphylaxis: Pathogenesis
Anaphylaxis is a Type 1 hypersensitivity reaction
While the primary mechanism of anaphylaxis is mast cell
anaphylaxis is mast ... Inappropriate mast ... seconds-minutes) => Mast ... #Anaphylaxis #pathophysiology
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 ... Echocardiogram #POCUS
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
Fluid-filled, round mass ... may have fever Lipoma ... well-circumscribed mass