USMLE Step 1

USMLE Step 1 Most Common of the Day!

Most common brain tumor seen in children is...


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answer: Medulloblastoma


USMLE Step 1 D.O.C. of the Day!

Drug of choice for

Respiratory syncytial virus (RSV)


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answer: Ribavirin


USMLE Step 1 Fact of the Day!

Tumor Suppressor Genes:

Genes Chrom. Associated Tumors

VHL 3p Von Hippel Lindau, Renal Cell CA
APC 5p Familial adenomatous polyposis, Colon CA
WT-1 11p Wilm’s tumor
Rb 13q Retinoblastoma, Osteosarcoma
BRCA-2 13q Breast CA
p53 17p Most human Cas
NF-1 17q Neurofibromatosis type 1
BRCA-1 17q Breast CA, Ovarian CA
DCC 18q Colon & Stomach CA
DPC 18q Pancreatic CA
NF-2 22q Neurofibromatosis type 2 = bilateral acoustic neuroma