3112 results
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

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

Normal Otoscopy - Middle Ear:
 • Otosclerosis
 • Congenital (Ossicular
Exostosis) • Tumors (SCC ... Diagnosis #Algorithm #Causes
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
Lymphoma, Head / Neck scc ... Diagnosis #Algorithm #Causes
Acute Pharyngitis: Differential Diagnosis
Infectious:
 • Respiratory viruses (25-45%)
 • Group A Strep (5-15%)
 • Other bacteria:
Malignancy: Lymphoma, SCC ... Differential #Diagnosis #causes
Causes of SVC Syndrome - Differential Diagnosis Framework
 • Benign (15-40%): Thrombosis (aka catheter-associated), Goiter, Fibrosing
Causes of SVC Syndrome ... Malignant (60-85%): SCLC ... Medicine @SCVMCMed #SVC
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Scl70 (in some cases ... SjS, SLE, DM, SSc ... , PM/SSc OS, MCTD ... , PBC/SSc OS ... -70 (in some cases
Liver Mass Differential Diagnosis
Solid:
 • Benign: Hepatic Hemangioma, Focal nodular hyperplasia, Hepatocellular adenoma, Regenerative nodules
 •
• Malignant: HCC ... Cystadenocarcinoma, Primary SCC
Drugs Causing Acute Pancreatitis

Class Ia: The medications in which there was a rechallenge and other causes
rechallenge and other causes ... out other common causes ... Class II: Cases ... and atleast4 case ... #Pancreatitis #Causes