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Title: Comparison of Pheochromocytoma-Specific Morbidity and Mortality Among Adults With Bilateral Pheochromocytomas Undergoing Total Adrenalectomy vs Cortical-Sparing Adrenalectomy
Authors: NEUMANN, Hartmut P. H.TSOY, UlianaBANCOS, IrinaAMODRU, VincentWALZ, Martin K.TIROSH, AmitKAUR, Ravinder JeetMCKENZIE, TravisQI, XiaopingBANDGAR, TusharPETROV, RomanYUKINA, Marina Y.ROSLYAKOVA, AnnaHORST-SCHRIVERS, Anouk N. A. van derBERENDS, Annika M. A.HOFF, Ana O.CASTRONEVES, Luciana AudiFERRARA, Alfonso MassimilianoRIZZATI, SilviaMIAN, CaterinaDVORAKOVA, SarkaHASSE-LAZAR, KorneliaKVACHENYUK, AndreyPECZKOWSKA, MariolaLOLI, PaolaERENLER, FeyzaKRAUSS, TobiasALMEIDA, Madson Q.LIU, LongfeiZHU, FeizhouRECASENS, MonicaWOHLLK, NelsonCORSSMIT, Eleonora P. M.SHAFIGULLINA, ZulfiyaCALISSENDORFF, JanGROZINSKY-GLASBERG, SimonaKUNAVISARUT, TadaSCHALIN-JANTTI, CamillaCASTINETTI, FredericVLCEK, PetrBELTSEVICH, DmitryI, Viacheslav EgorovSCHIAVI, FrancescaLINKS, Thera P.LECHAN, Ronald M.BAUSCH, BirkeYOUNG JR., William F.ENG, CharisJAISWAL, Sanjeet KumarZSCHIEDRICH, StefanV, Maria C. B. FragosoPEREIRA, Maria A. A.LI, MinghaoCOSTA, Josefina BiarnesJUHLIN, Carl ChristoferGROSS, DavidVIOLANTE, Alice H. D.KOCJAN, TomazNGEOW, JoanneYOEL, UriFRAENKEL, MeravSIMSIR, Ilgin YildirimUGURLU, M. UmitZIAGAKI, AthanasiaDIAZ, Luis RoblesKUDLAI, Inna StepanovnaGIMM, OliverSCHERBAUM, Christina RebeccaABEBE-CAMPINO, GadiBARBON, GiovanniTASCHIN, ElisaMALINOC, AngelicaKHUDIAKOVA, Natalia ValeryevnaV, Nikita IvanovPFEIFER, MarijaZOVATO, StefaniaPLOECKINGER, UrsulaMAKAY, OzerGRINEVA, ElenaJARZAB, BarbaraJANUSZEWICZ, AndrzejSHAH, NaliniSEUFERT, JochenOPOCHER, GiuseppeLARSSON, Catharina
Citation: JAMA NETWORK OPEN, v.2, n.8, article ID e198898, 13p, 2019
Abstract: IMPORTANCE Large studies investigating long-term outcomes of patients with bilateral pheochromocytomas treated with either total or cortical-sparing adrenalectomies are needed to inform clinical management. OBJECTIVE To determine the association of total vs cortical-sparing adrenalectomy with pheochromocytoma-specific mortality, the burden of primary adrenal insufficiency after bilateral adrenalectomy, and the risk of pheochromocytoma recurrence. DESIGN, SETTING, AND PARTICIPANTS This cohort study used data from a multicenter consortium-based registry for 625 patients treated for bilateral pheochromocytomas between 1950 and 2018. Data were analyzed from September 1, 2018, to June 1, 2019. EXPOSURES Total or cortical-sparing adrenalectomy. MAIN OUTCOMES AND MEASURES Primary adrenal insufficiency, recurrent pheochromocytoma, and mortality. RESULTS Of 625 patients (300 [48%] female) with a median (interquartile range [IQR]) age of 30 (22-40) years at diagnosis, 401 (64%) were diagnosed with synchronous bilateral pheochromocytomas and 224 (36%) were diagnosed with metachronous pheochromocytomas (median [IQR] interval to second adrenalectomy, 6 [1-13] years). In 505 of 526 tested patients (96%), germline mutationswere detected in the genes RET (282 patients [54%]), VHL (184 patients [35%]), and other genes (39 patients [7%]). Of 849 adrenalectomies performed in 625 patients, 324 (52%) were planned as cortical sparing and were successful in 248 of 324 patients (76.5%). Primary adrenal insufficiency occurred in all patients treated with total adrenalectomy but only in 23.5% of patients treated with attempted cortical-sparing adrenalectomy. A third of patients with adrenal insufficiency developed complications, such as adrenal crisis or iatrogenic Cushing syndrome. Of 377 patients who became steroid dependent, 67 (18%) developed at least 1 adrenal crisis and 50 (13%) developed iatrogenic Cushing syndrome during median (IQR) follow-up of 8 (3-25) years. Two patients developed recurrent pheochromocytoma in the adrenal bed despite total adrenalectomy. In contrast, 33 patients (13%) treated with successful cortical-sparing adrenalectomy developed another pheochromocytoma within the remnant adrenal after a median (IQR) of 8 (4-13) years, all of which were successfully treated with another surgery. Cortical-sparing surgery was not associated with survival. Overall survivalwas associated with comorbidities unrelated to pheochromocytoma: of 63 patients who died, only 3 (5%) died of metastatic pheochromocytoma. CONCLUSIONS AND RELEVANCE Patients undergoing cortical-sparing adrenalectomy did not demonstrate decreased survival, despite development of recurrent pheochromocytoma in 13%. Cortical-sparing adrenalectomy should be considered in all patients with hereditary pheochromocytoma.
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Artigos e Materiais de Revistas Científicas - HC/ICESP
Instituto do Câncer do Estado de São Paulo - HC/ICESP

Artigos e Materiais de Revistas Científicas - HC/ICHC
Instituto Central - HC/ICHC

Artigos e Materiais de Revistas Científicas - LIM/42
LIM/42 - Laboratório de Hormônios e Genética Molecular

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