6003 results
Liver Mass Differential Diagnosis
Solid:
 • Benign: Hepatic Hemangioma, Focal nodular hyperplasia, Hepatocellular adenoma, Regenerative nodules
 •
Mass Differential Diagnosis ... • Malignant: HCC ... Cystadenocarcinoma, Primary SCC ... #Differential #Diagnosis
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
most frequently SCC ... most frequently SCC ... bronchogenic cyst #Diagnosis
Cavity Mnemonic for Cavitary Pulmonary Lesions:
C: cancer 
 - bronchogenic carcinoma: most frequently squamous cell carcinoma
cell carcinoma (SCC ... most frequently SCC ... bronchogenic cyst #Diagnosis
Neck Mass - Differential Diagnosis Framework
Inflammatory:
 • Viral (reactive): EBV, HIV
 • Bacterial: Staph/Strep, Tularemia, Brucella
- Differential Diagnosis ... • Metastatic: SCC ... #Differential #Diagnosis
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
- Differential Diagnosis ... Tumors: Lung, SCC ... #Differential #Diagnosis
Tumor markers in clinical practice
Colorectal - CEA
Hepatocellular - AFP
Pancreatic - CA 19-9
Ovarian - CA 125
Breast -
- CYFRA 21-1, SCC ... markers #laboratory #diagnosis
Conductive Hearing Loss - Differential Diagnosis Algorithm

Normal Otoscopy - Middle Ear:
 • Otosclerosis
 • Congenital (Ossicular
- Differential Diagnosis ... Exostosis) • Tumors (SCC ... #Differential #Diagnosis
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
- Differential Diagnosis ... Lymphoma, Head / Neck scc ... #Differential #Diagnosis
Acute Pharyngitis: Differential Diagnosis
Infectious:
 • Respiratory viruses (25-45%)
 • Group A Strep (5-15%)
 • Other bacteria:
: Differential Diagnosis ... Malignancy: Lymphoma, SCC ... #Differential #Diagnosis
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Paraneoplastic effects of SCC ... myasthenia Diagnosis ... Myasthenia #Gravis #diagnosis