We further classify distal adding-on into progressive and nonprogressive group according to its natural evolution.
Xiaodong Qin, Chao Xia, Leilei Xu, Fei Sheng, Huang Yan, Yong Qiu, Zezhang Zhu 2018, 'Natural History of Postoperative Adding-On in Adolescent Idiopathic Scoliosis: WhatAre the Risk Factors for Progressive Adding-On?', BioMed Research Internationalhttp://dx.doi.org/10.1155/2018/3247010. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Eighteen months of follow-up revealed a static nonprogressive disease.
Sadananda Rao Manjunath, Ganapathi Ramanan, Vidyasagar Devaprasad Dedeepiya, HiroshiTerunuma, Xuewen Deng, Subramani Baskar, Rajappa Senthilkumar, Paramasivam Thamaraikannan,Thangavelu Srinivasan, Senthilkumar Preethy, Samuel J.K. Abraham 2012, 'Autologous Immune Enhancement Therapy in Recurrent Ovarian Cancer with Metastases:A Case Report', Case Reports in Oncologyhttp://www.karger.com/Article/FullText/337319. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The patient was periodically reviewed and lesions were nonprogressive until last follow-up, 13 months after surgery.
Pukhraj Rishi, Maneesh Dhupper, Ekta Rishi 2011, 'Can retinal microtrauma by internal limiting membrane peeling cause retinal angiomatosisproliferans?', Oman Journal of Ophthalmologyhttp://www.ojoonline.org/article.asp?issn=0974-620X;year=2011;volume=4;issue=3;spage=144;epage=146;aulast=Rishi. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The assessments confirmed that the lesion was nonprogressive and had no connection to the pulp or oral cavity.
Chanika Manmontri, Phattaranant May Mahasantipiya, Papimon Chompu-inwai 2017, 'Preeruptive Intracoronal Radiolucencies: Detection and Nine Years Monitoring witha Series of Dental Radiographs', Case Reports in Dentistryhttp://dx.doi.org/10.1155/2017/6261407. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
To date, only a few families with autosomal dominant congenital nonprogressive spinocerebellar ataxia have been reported.
Huang Lijia, Chardon Jodi, Carter Melissa T, Friend Kathie L, Dudding Tracy E, SchwartzentruberJeremy, Zou Ruobing, Schofield Peter W, Douglas Stuart, Bulman Dennis E, Boycott KymM 2012, 'Missense mutations in ITPR1 cause autosomal dominant congenital nonprogressivespinocerebellar ataxia', Orphanet Journal of Rare Diseaseshttp://www.ojrd.com/content/7/1/67. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Five components showed nonprogressive radiolucent lines.
Raj Sinha, MD, PhD, Cristian Balcescu 2014, 'Early Results of a Modular Cementless Tibial Component for Total Knee Arthroplasty',Reconstructive Reviewhttp://reconstructivereview.org/ojs/index.php/rr/article/view/77. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Among 61 patients diagnosed with distal adding-on, 24 (39.3%) were progressive and 37 (60.7%) were nonprogressive.
Xiaodong Qin, Chao Xia, Leilei Xu, Fei Sheng, Huang Yan, Yong Qiu, Zezhang Zhu 2018, 'Natural History of Postoperative Adding-On in Adolescent Idiopathic Scoliosis: WhatAre the Risk Factors for Progressive Adding-On?', BioMed Research Internationalhttp://dx.doi.org/10.1155/2018/3247010. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)