2511 results
Liver Mass Differential Diagnosis
Solid:
 • Benign: Hepatic Hemangioma, Focal nodular hyperplasia, Hepatocellular adenoma, Regenerative nodules
 •
Liver Mass Differential ... • Malignant: HCC ... Cystadenocarcinoma, Primary SCC ... #Liver #Mass #Differential
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
most frequently SCC ... most frequently SCC ... Cavitary #Lesions #Differential
Cavity Mnemonic for Cavitary Pulmonary Lesions:
C: cancer 
 - bronchogenic carcinoma: most frequently squamous cell carcinoma
cell carcinoma (SCC ... most frequently SCC ... Cavitary #Lesions #Differential
Neck Mass - Differential Diagnosis Framework
Inflammatory:
 • Viral (reactive): EBV, HIV
 • Bacterial: Staph/Strep, Tularemia, Brucella
Neck Mass - Differential ... • Metastatic: SCC ... #Neck #Mass #Differential
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Tumors: Lung, SCC ... Hypercalcemia #Differential
Conductive Hearing Loss - Differential Diagnosis Algorithm

Normal Otoscopy - Middle Ear:
 • Otosclerosis
 • Congenital (Ossicular
Hearing Loss - Differential ... Exostosis) • Tumors (SCC ... #HearingLoss #Differential
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
Lymphadenopathy - Differential ... Lymphoma, Head / Neck scc ... Lymphadenopathy #Differential
Acute Pharyngitis: Differential Diagnosis
Infectious:
 • Respiratory viruses (25-45%)
 • Group A Strep (5-15%)
 • Other bacteria:
Acute Pharyngitis: Differential ... Malignancy: Lymphoma, SCC ... #Pharyngitis #Differential
Causes of SVC Syndrome - Differential Diagnosis Framework
 • Benign (15-40%): Thrombosis (aka catheter-associated), Goiter, Fibrosing
Causes of SVC Syndrome ... - Differential ... Malignant (60-85%): SCLC ... Medicine @SCVMCMed #SVC ... #Syndrome #Differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Paraneoplastic effects of SCC ... life-threatening Differential