O prognóstico depende do estádio, da histologia segundo a Organização Mundial da Saúde (OMS) e se a ressecção foi total. Fatores prognósticos adicionais incluem o tamanho do tumor e a invasão de grandes vasos.[8]Detterbeck FC, Parsons AM. Thymic tumors. Ann Thorac Surg. 2004 May;77(5):1860-9.
https://www.annalsthoracicsurgery.org/article/S0003-4975(03)02005-8/fulltext
http://www.ncbi.nlm.nih.gov/pubmed/15111216?tool=bestpractice.com
[12]Okumura M, Ohta M, Tateyama H, et al. The World Health Organization histologic classification system reflects the oncologic behavior of thymoma: a clinical study of 273 patients. Cancer. 2002 Feb 1;94(3):624-32.
https://acsjournals.onlinelibrary.wiley.com/doi/full/10.1002/cncr.10226
http://www.ncbi.nlm.nih.gov/pubmed/11857293?tool=bestpractice.com
[13]Kondo K, Monden Y. Therapy for thymic epithelial tumors: a clinical study of 1,320 patients from Japan. Ann Thorac Surg. 2003;75:878-885.
http://www.ncbi.nlm.nih.gov/pubmed/12963221?tool=bestpractice.com
[73]Wright CD, Wain JC, Wong DR, et al. Predictors of recurrence in thymic tumors: importance of invasion, World Health Organization histology and size. J Thorac Cardiovasc Surg. 2005;130:1413-1421.
http://www.ncbi.nlm.nih.gov/pubmed/16256797?tool=bestpractice.com
Timoma encapsulado clinicamente
A maioria das séries de timomas removidos tem uma taxa de sobrevida relacionada a timoma em 10 anos de 70% a 90%.[8]Detterbeck FC, Parsons AM. Thymic tumors. Ann Thorac Surg. 2004 May;77(5):1860-9.
https://www.annalsthoracicsurgery.org/article/S0003-4975(03)02005-8/fulltext
http://www.ncbi.nlm.nih.gov/pubmed/15111216?tool=bestpractice.com
[12]Okumura M, Ohta M, Tateyama H, et al. The World Health Organization histologic classification system reflects the oncologic behavior of thymoma: a clinical study of 273 patients. Cancer. 2002 Feb 1;94(3):624-32.
https://acsjournals.onlinelibrary.wiley.com/doi/full/10.1002/cncr.10226
http://www.ncbi.nlm.nih.gov/pubmed/11857293?tool=bestpractice.com
[13]Kondo K, Monden Y. Therapy for thymic epithelial tumors: a clinical study of 1,320 patients from Japan. Ann Thorac Surg. 2003;75:878-885.
http://www.ncbi.nlm.nih.gov/pubmed/12963221?tool=bestpractice.com
[73]Wright CD, Wain JC, Wong DR, et al. Predictors of recurrence in thymic tumors: importance of invasion, World Health Organization histology and size. J Thorac Cardiovasc Surg. 2005;130:1413-1421.
http://www.ncbi.nlm.nih.gov/pubmed/16256797?tool=bestpractice.com
O estádio e a integridade da ressecção são os fatores prognósticos mais importantes. Na maior série cirúrgica usando o sistema de estadiamento de Masaoka-Koga, as taxas de sobrevida em 5 anos foram: 100% para estádio I, 98% para estádio II, 88% para estádio III, 70% para estádio IVA e 52% para estádio IVB.[13]Kondo K, Monden Y. Therapy for thymic epithelial tumors: a clinical study of 1,320 patients from Japan. Ann Thorac Surg. 2003;75:878-885.
http://www.ncbi.nlm.nih.gov/pubmed/12963221?tool=bestpractice.com
Outras neoplasias do timo
Carcinomas tímicos pouco diferenciados geralmente têm um prognóstico desfavorável. As taxas gerais de cura para tumores neuroendócrinos são baixas.