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Carcinoma anaplásico de tireoide: relato de caso tratado com cirurgia e radioterapia adjuvante / Anaplastic thyroid cancer: a case report treated with surgery and adjuvant radiotherapy
Telles, Ana Clara Oliveira Tosta; Ramos, Helton Estrela.
  • Telles, Ana Clara Oliveira Tosta; s.af
  • Ramos, Helton Estrela; Universidade Federal da Bahia. Salvador. BR
Rev. Ciênc. Méd. Biol. (Impr.) ; 19(4): 625-630, dez 30, 2020. fig
Article in Portuguese | LILACS | ID: biblio-1355249
RESUMO

Introdução:

o Carcinoma Anaplásico de Tireoide (CAT) está entre as mais letais malignidades humanas, sendo a taxa de sobrevida estimada em 10-20% em 01 ano e menor que 5% em 10 anos. Diante da raridade do CAT e desfecho consideravelmente desfavorável da doença, este relato discute as modalidades terapêuticas utilizadas no tratamento do CAT e as características da doença possivelmente relacionadas a um melhor desfecho clínico.

Objetivo:

relatar o caso de um paciente idoso portador de CAT com resposta completa loco-regional após tratamento combinado com cirurgia e radioterapia (RT) adjuvante. Neste estudo, a literatura a respeito das características da patologia da neoplasia indiferenciada da tireoide e modalidades de tratamento no controle oncológico desta doença é revisada e discutida. Caso clínico trata-se de um paciente masculino de 88 anos submetido a Tireoidectomia Total (TT) cujo estudo imuno-histoquímico evidenciou neoplasia maligna indiferenciada da tireoide. O paciente realizou tratamento adjuvante com RT na dose total de 66 Gy em leito operatório. Em tempo de seguimento de 18 meses, o paciente encontra-se vivo sem doença detectável em atividade.

Conclusão:

neste relato, descreveu-se um raro caso de uma evolução favorável de um paciente idoso portador de CAT com longa sobrevida livre de doença quando comparada ao prognóstico reservado dessa neoplasia. Este relato destaca a importância de uma terapia multimodal no manejo desta doença.
ABSTRACT
Backgroud anaplastic thyroid cancer (ATC) ranks among the most lethal of all human malignancies, and the estimated survival rate ranges from 10 to 20% in 01 year and is less than 5% in 10 years. In view of the rarity of ATC and considerably unfavorable outcome of the disease, this report makes it possible to discuss the therapeutic modalities in the treatment of the ATC and the features of the disease possibly related to a better clinical outcome.

Objective:

the objective of the present study is to report the case of an elderly patient with ATC with locoregional complete response after combined treatment with surgery and adjuvant radiotherapy (RT.) In this study, the literature regarding the pathological features of the undifferentiated thyroid cancer and treatment modalities on oncologic outcome is reviewed and discussed. Case presentation this is a case of a 88 year old male patient, who underwent total thyroidectomy (TT) for thyroid cancer treatment whose cytological analysis was compatible with anaplastic thyroid cancer. The immunohistochemical study showed undifferentiated malignancy of the thyroid. The patient underwent adjuvant treatment with RT at the total dose of 66 Gy in operative bed. In a follow-up period of 18 months, the patient is alive with no detectable disease in activity.

Conclusions:

in this report, is described a rare case of a favorable evolution of an elderly patient with ATC relatively long disease-free survival compared to the reserved prognosis of this neoplasm. This case underlines the importance of a multimodal therapy in the management of this disease.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Radiotherapy / Thyroidectomy / Thyroid Carcinoma, Anaplastic Type of study: Prognostic study Limits: Aged / Aged80 / Humans / Male Language: Portuguese Journal: Rev. Ciênc. Méd. Biol. (Impr.) Journal subject: Biology / Medicine Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal da Bahia/BR

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Full text: Available Index: LILACS (Americas) Main subject: Radiotherapy / Thyroidectomy / Thyroid Carcinoma, Anaplastic Type of study: Prognostic study Limits: Aged / Aged80 / Humans / Male Language: Portuguese Journal: Rev. Ciênc. Méd. Biol. (Impr.) Journal subject: Biology / Medicine Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal da Bahia/BR