Apichart ChittacharoenWinit PhuapraditMahidol University2018-07-042018-07-041997-01-01Journal of Obstetrics and Gynaecology Research. Vol.23, No.2 (1997), 209-212134180762-s2.0-0030908233https://repository.li.mahidol.ac.th/handle/20.500.14594/18177Pheochromocytoma during pregnancy is rare. Only a few hundred cases have been published in the literature. We report patients with pheochromocytoma diagnosed at antepartum period. Manifestation include hypertension with various clinical presentation, possibly resembling those of pregnancy-induced hypertension. Confirmation necessitates special biochemical examination and the use of different radiological imaging tool. Treatment combines medical procedures with surgical exploration, mandating a team approach of diverse medical expertise. In the first and second trimesters, tumor resection has a good fetal outcome; in later pregnancy, delivery by elective cesarean section followed by tumor resection is recommended. The overall prognosis is mainly affected early diagnosis and multidisciplinarian management.Mahidol UniversityMedicineArticleSCOPUS10.1111/j.1447-0756.1997.tb00833.x