CHOP researchers analyze how some cancer cells resist a groundbreaking cellular therapy, and have found clues to overcoming that resistance.

A 24-month-old African-American boy was admitted to the ER after abnormal hemoglobin results. Exam was notable for pallor and a 2/6 systolic ejection murmur, with no jaundice or hepatosplenomegaly. White blood cell differential analysis showed 14% neutrophils, 84% lymphocytes, 2% atypical lymphocytes, and calculated absolute neutrophil count of 520 per uL.

The award recognizes a hospital or unit that has demonstrated an unwavering commitment to the delivery of pediatric care.

Find expert advice from CHOP clinical dietitians on how to plan an inclusive — and safe — holiday gatherings.

Read about the exciting events that took place over the spring and summer, an upcoming alumni member survey, and highlights from the recent alumni reunion.

Erica Schindewolf, a genetic counselor in the CFDT, weighs in on what patients should know about genetic screening tests during pregnancy.

Read the latest news from CHOP, including the results of three research studies: baby monitors, button batteries and honey, and cell phone use. Meet our new Cardiothoracic Surgery Chief and browse our latest clinical pathways.

Parents magazine interviewed a CHOP expert about signs of acute flaccid myelitis (AFM), the polio-like illness that can cause lifelong paralysis.

CHOP and Penn were honored for outstanding, long-standing, exemplary and unwavering commitment and contributions to the chromosome 22q11.2 community since 1992.

Researchers at CHOP are working to discover the fundamental mechanisms that subvert normal neural development and orchestrate neuroblastoma tumorigenesis, and then to translate this knowledge into more effective and less toxic therapies.