Bone Metastases and Skeletal-Related Events in Medullary Thyroid Carcinoma
Journal Title: | The journal of clinical endocrinology and metabolism 2016, Vol.101 (12), p.4871-4877 |
Main Author: | Xu, Jian Yu |
Other Authors: | Murphy, William A , Milton, Denái R , Jimenez, Camilo , Rao, Sarika N , Habra, Mouhammed Amir , Waguespack, Steven G , Dadu, Ramona , Gagel, Robert F , Ying, Anita K , Cabanillas, Maria E , Weitzman, Steven P , Busaidy, Naifa L , Sellin, Rena V , Grubbs, Elizabeth , Sherman, Steven I , Hu, Mimi I |
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Publisher: | United States: Endocrine Society |
ID: | ISSN: 0021-972X |
Link: | https://www.ncbi.nlm.nih.gov/pubmed/27662441 |
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recordid: | cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_5155685 |
title: | Bone Metastases and Skeletal-Related Events in Medullary Thyroid Carcinoma |
format: | Article |
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ispartof: | The journal of clinical endocrinology and metabolism, 2016, Vol.101 (12), p.4871-4877 |
description: | Context: Bone metastases (BM) can lead to devastating skeletal-related events (SREs) in cancer patients. Data regarding medullary thyroid carcinoma (MTC) with BM are lacking. Objective: We evaluated the natural history of BM and SREs in MTC patients identified by a cancer center tumor registry. Setting: The study was conducted at a tertiary cancer center. Patients and Main Outcome Measures: We retrospectively reviewed the charts of MTC patients with BM who received care from 1991 to 2014 to characterize BM and SREs. Results: Of 1008 MTC patients treated, 188 were confirmed to have BM (19%), of whom 89% (168 of 188) had nonosseous distant metastases. Median time from MTC to BM diagnosis was 30.9 months (range 0–533 mo); 25% (45 of 180) had BM identified within 3 months of MTC diagnosis. Median follow-up after detecting BM was 1.6 years (range 0–23.2 y). Most patients (77%) had six or more BM lesions, most often affecting the spine (92%) and pelvis (69%). Many patients (90 of 188, 48%) experienced one or more SREs, most commonly radiotherapy (67 of 90, 74%) followed by pathological fracture (21 of 90, 23%). Only three patients had spinal cord compression. Patients with more than 10 BM lesions were more likely to experience SREs (odds ratio 2.4; P = .007), with no difference in 5-year mortality after MTC diagnosis between patients with (31%) and without SREs (23%) (P = .11). Conclusions: In this large retrospective series, BM in MTC was multifocal, primarily involving the spine and pelvis, supporting screening these regions for metastases in at-risk patients. SREs were common but spinal cord compression was rare. Antiresorptive therapies in this population should be investigated further with prospective trials. We studied the characteristics and clinical behavior of bone metastases in medullary thyroid cancer patients and found they are often multifocal and that SREs are common. |
language: | eng |
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identifier: | ISSN: 0021-972X |
fulltext: | no_fulltext |
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