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      Three-dimensional soft tissue analysis of the hand: a novel method to investigate effects of acromegaly

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          Abstract

          Background

          Acral overgrowth is a highly common clinical sign in patients with active acromegaly. To what extent this overgrowth persists after long-term remission of acromegaly is largely unknown. Using the new imaging technique of three-dimensional (3D) stereophotogrammetry, it is possible to accurately investigate soft tissue changes of the hand. The aim of the recent study was to compare the 3D soft tissue characteristics of the hands of patients in long-term remission of acromegaly to those of a healthy pair matched control group.

          Methods

          A case-control study was performed at a tertiary referral center. Twelve patients in remission of acromegaly (58 % male, mean age 58.3 years, mean BMI 29.6 kg/m 2) were compared to twelve age-, gender-, ethnicity-, and BMI-matched control subjects. Of each individual, 3D photographs of both hands were acquired and analyzed using a 3D computer software program.

          Results

          The patients in long-term remission of acromegaly have overgrowth of soft tissue of the hand compared to matched control subjects, with a larger length and width of the hand ( p = 0.0025, p = 0.0017, respectively). Furthermore, the diameters measured at the proximal interphalangeal (PIP) joints of the individual fingers are larger in the acromegaly patients.

          Conclusions

          Significant soft tissue overgrowth of the hand persists in former acromegaly patients, even after long-term remission. Analysis of 3D hand photographs is an accurate and easy tool to evaluate the acral soft tissue patterns in acromegaly.

          Level of Evidence: Level III, diagnostic study.

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          Most cited references19

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          Medical progress: Acromegaly.

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            Systemic complications of acromegaly: epidemiology, pathogenesis, and management.

            This review focuses on the systemic complications of acromegaly. Mortality in this disease is increased mostly because of cardiovascular and respiratory diseases, although currently neoplastic complications have been questioned as a relevant cause of increased risk of death. Biventricular hypertrophy, occurring independently of hypertension and metabolic complications, is the most frequent cardiac complication. Diastolic and systolic dysfunction develops along with disease duration; and other cardiac disorders, such as arrhythmias, valve disease, hypertension, atherosclerosis, and endothelial dysfunction, are also common in acromegaly. Control of acromegaly by surgery or pharmacotherapy, especially somatostatin analogs, improves cardiovascular morbidity. Respiratory disorders, sleep apnea, and ventilatory dysfunction are also important contributors in increasing mortality and are advantageously benefitted by controlling GH and IGF-I hypersecretion. An increased risk of colonic polyps, which more frequently recur in patients not controlled after treatment, has been reported by several independent investigations, although malignancies in other organs have also been described, but less convincingly than at the gastrointestinal level. Finally, the most important cause of morbidity and functional disability of the disease is arthropathy, which can be reversed at an initial stage, but not if the disease is left untreated for several years.
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              A consensus on criteria for cure of acromegaly.

              The Acromegaly Consensus Group met in April 2009 to revisit the guidelines on criteria for cure as defined in 2000. Participants included 74 neurosurgeons and endocrinologists with extensive experience of treating acromegaly. EVIDENCE/CONSENSUS PROCESS: Relevant assays, biochemical measures, clinical outcomes, and definition of disease control were discussed, based on the available published evidence, and the strength of consensus statements was rated. Criteria to define active acromegaly and disease control were agreed, and several significant changes were made to the 2000 guidelines. Appropriate methods of measuring and achieving disease control were summarized.
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                Author and article information

                Contributors
                +31 (0)24 361 52 42 , inge.hoevenaren@radboudumc.nl
                Journal
                Eur J Plast Surg
                Eur J Plast Surg
                European Journal of Plastic Surgery
                Springer Berlin Heidelberg (Berlin/Heidelberg )
                0930-343X
                1435-0130
                12 July 2016
                12 July 2016
                2016
                : 39
                : 6
                : 429-434
                Affiliations
                [1 ]Department of Plastic, Reconstructive and Hand Surgery, Radboud University Nijmegen Medical Center, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
                [2 ]Department of Internal Medicine, Division of Endocrinology, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
                [3 ]3D Lab of the Department of Oral and Maxillofacial Surgery, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
                Article
                1217
                10.1007/s00238-016-1217-3
                5119839
                4410de31-bacf-48e9-8be1-87e0cda92f3a
                © The Author(s) 2016

                Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

                History
                : 17 April 2016
                : 13 June 2016
                Funding
                Funded by: IPSEN
                Categories
                Original Paper
                Custom metadata
                © Springer-Verlag Berlin Heidelberg 2016

                Surgery
                acromegaly,hand analysis,three-dimensional imaging,hand surgery,3d stereophotogrammetry
                Surgery
                acromegaly, hand analysis, three-dimensional imaging, hand surgery, 3d stereophotogrammetry

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