If the stimulus to pituitary thyroid-stimulating hormone (TSH) secretion is the lack of circulating free thyroxin (free-T4), why may a baby with congenital nephrotic syndrome present with a raised TSH on neonatal screening?
Vargas
A
A
Division of Endocrinology, Children's Hospital, New Orleans, LA 70118.
D006801:Humans; D007231:Infant, Newborn; D015997:Neonatal Screening; D009404:Nephrotic Syndrome / Q000097:blood* / Q000151:congenital* / Q000175:diagnosis; D013972:Thyrotropin / Q000097:blood*; D013974:Thyroxine / Q000097:blood* / Q000502:physiology
D013972:Thyrotropin; D013974:Thyroxine