10-Year-Old Son of Actress Jamie-Lynn Sigler Diagnosed With Rare Autoimmune Disorder

The son of the ‘Sopranos’ star—who also suffers from MS—was in and out of the hospital for weeks before being diagnosed with a rare neurological condition.

Jamie-Lynn Sigler during the 2024 Tribeca Festival at Beacon Theatre in New York City, on June 13, 2024. Mike Coppola/Getty Images for Tribeca Festival

Actress Jamie-Lynn Sigler is finally getting some answers, after her 10-year-old son, Beau, spent the last four weeks hospitalized for what was initially thought to be simply a virus.

In an Instagram post accompanying a photo of the two, the 43-year-old revealed Beau was recently diagnosed with acute disseminated encephalomyelitis (ADEM) after falling ill with a 105 degree fever.