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O Linfoma Primário da Tiroide (LPT) é uma patologia rara que corresponde a cerca de 5% dos tumores da tiroide. O LPT pode ser classificado em Hodgkin ou não Hodgkin, podendo este último ter origem em células tipo B, que é o mais comum, ou em células T. O subtipo mais comum é o linfoma difuso de grandes células B (LDGCB), sendo seguido pelo Linfoma MALT (Mucosa Associated Lymphoid Tissue). O Linfoma de MALT da tiroide parece ter um elevado número de casos associados a Tiroidite de Hashimoto (TH), sendo que o principal sintoma é o aparecimento de uma massa indolente na região cervical anterior. O tratamento destes casos pode passar por quimioterapia, radioterapia ou cirurgia, sendo que em geral o prognóstico destes casos é favorável, tendo os pacientes uma elevada taxa de sobrevida. O caso apresentado será de uma paciente de 72 anos diagnosticada com um Linfoma MALT da tiroide e tratada com recurso a cirurgia que se encontra há 11 anos sem sinais de recidiva. Este tipo de Linfoma é uma patologia rara que pode surgir em diversos órgãos sendo mais comum no trato gastro intestinal. Locais menos comuns incluem glândulas salivares, anexos oculares, pele, tiroide e mama.
Primary Thyroid Lymphomas is a rare pathology that account for about 5% of the thyroid malignancies. They can classified into Hodgkin and non-Hodgkin Lymphomas and NHL in B-cell. Or T-cell lymphoma. The most common subtype of PTL is Diffuse large B-cell lymphoma being followed by Mucosa-associated lymphoid tissue (MALT). MALT lymphoma of the thyroid seems to have a great number of cases associated with Hashimoto thyroiditis, and usually it’s first symptom is a slow growing mass in anterior face of the neck. The treatment of this cases may include surgery, chemotherapy or radiotherapy. Most cases have a good prognostic. Here, we describe a case of a MALT Lymphoma in a 72-year-old woman was treated with a surgical approach and after 11 years of follow up remains without sign of recurrence. This is a rare type of lymphoma that can present himself in many organs being most common in the gastrointestinal tract. Other locations include salivary glands, ocular adnexa, thyroid and breast.
Primary Thyroid Lymphomas is a rare pathology that account for about 5% of the thyroid malignancies. They can classified into Hodgkin and non-Hodgkin Lymphomas and NHL in B-cell. Or T-cell lymphoma. The most common subtype of PTL is Diffuse large B-cell lymphoma being followed by Mucosa-associated lymphoid tissue (MALT). MALT lymphoma of the thyroid seems to have a great number of cases associated with Hashimoto thyroiditis, and usually it’s first symptom is a slow growing mass in anterior face of the neck. The treatment of this cases may include surgery, chemotherapy or radiotherapy. Most cases have a good prognostic. Here, we describe a case of a MALT Lymphoma in a 72-year-old woman was treated with a surgical approach and after 11 years of follow up remains without sign of recurrence. This is a rare type of lymphoma that can present himself in many organs being most common in the gastrointestinal tract. Other locations include salivary glands, ocular adnexa, thyroid and breast.
Descrição
Trabalho Final do Curso de Mestrado Integrado em Medicina, Faculdade de Medicina, Universidade de Lisboa, 2021
Palavras-chave
Linfoma MALT Tiroidite de Hashimoto Linfoma primário da tiroide
