SUBJECT: Periventricular Heterotopia.  Scoliosis  - possibility of a known link ?
MESSAGE: Question in laymen terms: Has any genetic or other correlation ever been made between these two diagnosis?
My 59 y.o. sister has a diagnosis of Periventricular Heterotopia.  Her 30 y.o. daughter has been suffering with same for last 15 years.  Her 37 Y.O. daughter is clinically full-care retarded (since infancy) and has severe idiopathic scoliosis.  I have severe idiopathic scoliosis. I use the term "severe" to express debilitating and multiple fusion surgeries.  All four of my generation female siblings have a level of scoliosis.
FYI: this PH sister died last week, her remains are at the [LOCATION]

Summarized question: Is there a link between periventricular heterotopia and scoliosis?