Jr. Wax et al., PREGNANCY COMPLICATED BY MULTIPLE ENDOCRINE NEOPLASIA TYPE IIA (SIPPLES-SYNDROME), American journal of obstetrics and gynecology, 177(2), 1997, pp. 461-462
A patient with preexisting multiple endocrine neoplasia type IIA had n
ormal 24-hour urinary metanephrine and vanillylmandelic acid excretion
s before and during pregnancy. After a benign prenatal course, the pat
ient had a term spontaneous vaginal delivery. Multiple endocrine neopl
asia type IIA antedating pregnancy may be associated with a normal obs
tetric outcome in the absence of a pheochromocytoma.