LATS - Latin American Thyroid Society

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LATS - Latin American Thyroid Society O principal objetivo do LATS é promover o conhecimento e a pesquisa da glândula tireoide e suas doenças

The LATS is a nonprofit civil association of unlimited duration established de facto in 1975, with headquarters and legal domicile in the city of São Paulo, state of São Paulo, Brazil. The main goal of LATS is to promote knowledge and research of the thyroid gland and its diseases. For that purpose, the Association organizes and sponsors scientific meetings and courses; promotes conferences, symposiums and publications; grants awards for outstanding research contributions to the study of the thyroid; and maintains relationships with other national and international scientific societies. A LATS é uma sociedade civil, sem fins lucrativos, de duração indeterminada, existente de fato, desde 1975, com sede e foro permanentes na Cidade de São Paulo, Estado de São Paulo, Brasil, tendo como objetivo principal incrementar o conhecimento e as pesquisas relativas à glândula tireoide e sua enfermidades, devendo, para tanto, organizar e patrocinar reuniões científicas, cursos da especialidade, promover conferencias, simpósios, congressos e publicações, conceder prêmios para melhores obras relativas ao estudo da tiroide, bem como manter relações com outras sociedades cientificas, nacionais e internacionais. La LATS es una sociedad civil, sin fines lucrativos, de duración indeterminada, existente desde 1975, con su sede y foro permanentes en la ciudad de São Paulo, Estado de São Paulo, Brasil, y teniendo como objetivo principal incrementar el conocimiento y las pesquisas relativas a la glándula tiroidea y sus enfermedades, y para tanto, en su deber, organizar y patrocinar reuniones científicas, cursos sobre especialidades, promover conferencias, simposios, congresos e publicaciones, conceder premios para mejores obras relacionadas lo estudio de la tiroides, así como mantener relaciones con otras sociedades científicas, nacionales e internacionales.

28/08/2026

During CBEM 2026, Dr. Célia Nogueira, President of LATS, highlighted the importance of the LATS-SBEM symposium, which brought together members of both societies to discuss relevant topics in thyroidology, including the ATA guidelines.

With a packed room, the symposium reflected the strength of this collaboration and the importance of bringing together two leading societies to promote scientific exchange and advance thyroid care across Latin America.

27/08/2026

At CBEM 2026 in Rio de Janeiro, the thyroid session brought together important discussions on recent advances in thyroid physiology, translational research, and clinical practice.

In this video, Dr. Maria Tereza Nunes, member of the LATS Executive Committee, shares highlights from the session, including emerging studies on TR beta agonists and their potential role in the treatment of metabolic disorders associated with fatty liver disease, as well as new findings on the changes in thyroid hormone signaling associated with aging.

And the invitation is already made: see you at the next LATS Congress in Medellín, Colombia!

26/08/2026

LATS × SBEM | Thyroid Cancer Updates

On the first day of the 37th Brazilian Congress of Endocrinology and Metabolism (CBEM), LATS participated in a session focused on the new American Thyroid Association (ATA) guideline for thyroid cancer.

LATS Director Dr. Carolina Ferraz discussed the proposed initial treatment strategies, including active surveillance, radioablation, and lobectomy, rather than total thyroidectomy for all patients.

The discussion also addressed an important question: Can these recommendations be directly applied to Latin America?

Although evidence supports these approaches, differences in access to ultrasound, technology, and experienced specialists must be considered.

In Latin America, individualizing treatment is essential, taking into account both the patient and the realities of each healthcare setting.

20/08/2026

Dr. Célia Nogueira, President of the Latin American Thyroid Society (LATS), extends an invitation to LATS members attending CBEM 2026 to join the LATS-SBEM Symposium.

Taking place on August 26 at 1:00 PM, the symposium will focus on the highlights of the American Thyroid Association (ATA) guideline for thyroid cancer, bringing together renowned specialists for an up-to-date discussion on key aspects of thyroid cancer management.

José Miguel Dominguez (Chile) will address risk stratification; Carolina Ferraz da Silva (Faculdade de Ciências Médicas da Santa Casa de São Paulo) will discuss initial treatment; and Débora Danilovic (Instituto do Câncer do Estado de São Paulo – ICESP) will address the rational use of radioactive iodine.

The symposium will provide an important opportunity to discuss the main advances and new ATA recommendations and their practical implications for the management of patients with thyroid cancer.

LATS members and CBEM 2026 participants are warmly invited to join this important discussion.

We look forward to seeing you at CBEM 2026.

31/07/2026

The Chair of the LATS Basic and Translational Affairs Committee, Dr. Caroline Serrano, invites you to join our upcoming webinar on Pediatric Thyroid Cancer.

This educational event is open to everyone who registers through the LATS website. Don’t miss this opportunity to learn from internationally recognized experts, exchange knowledge, and stay up to date on the latest advances in the field.

August 3, 2026
8:00 PM (Brasília Time)
Online via Zoom

Register now and be part of this important discussion. We look forward to seeing you there!

11/06/2026

Autoimmune thyroiditis is the leading cause of hypothyroidism. Emerging evidence highlights a strong connection between thyroid health and the gut microbiome, with reduced microbial diversity being associated with deficiencies in key nutrients involved in thyroid function.

Patients with hypothyroidism have up to twice the risk of developing SIBO, although this risk is significantly reduced with adequate levothyroxine replacement. Despite the growing interest in gut-targeted therapies, current systematic reviews and meta-analyses have not demonstrated clinically significant benefits of prebiotics, probiotics, or synbiotics on thyroid function. Therefore, their routine use is not currently recommended for patients with autoimmune hypothyroidism.

29/05/2026

Should Everyone Take Supplements to Improve Thyroid Function?

According to Dr. Laila Bielski, there is currently no scientific evidence supporting routine supplementation for the general population with the goal of improving thyroid function. Much is known about selenium, an essential trace element, and its relationship with autoimmune thyroid diseases, including Hashimoto’s thyroiditis and Graves’ disease.

However, selenium deficiency varies significantly across populations and geographic regions, meaning supplementation may only be appropriate where a true deficiency has been identified.

Vitamin D has also been extensively studied in relation to thyroid health. Although low vitamin D levels are frequently observed in individuals with autoimmune thyroid disorders, current evidence does not support routine supplementation specifically to improve thyroid function. To date, there is no scientific basis for recommending vitamin D supplementation solely for thyroid disease management.

Importantly, supplementation is not without risks. Excessive intake of vitamins or minerals can lead to toxicity and other health complications. If you have questions about optimizing your thyroid health, Dr. Laila Bielski recommends consulting your healthcare professional before starting any supplement, as individualized medical guidance remains the safest and most effective approach.

28/05/2026

Hypothyroidism in Older Adults: Does Everyone Need Treatment?

Hypothyroidism becomes more common with aging, but according to Dr. Danilo Villagelin, not every case of subclinical hypothyroidism requires treatment with levothyroxine.

Before starting therapy, it is essential to confirm the diagnosis through a proper evaluation, which may include repeating TSH measurements, assessing free T4 levels, and checking thyroid antibodies. A single elevated TSH result is not always enough to diagnose hypothyroidism.

Treatment decisions should be individualized, taking into account symptoms, laboratory findings, and each patient’s overall health. In many cases, careful monitoring may be the most appropriate approach.

Accurate diagnosis is the key to appropriate thyroid care.

27/05/2026

Myths vs. Evidence: Can Diet Really Improve Thyroid Disease?

In this video, Dr. Rosália Padovani discusses one of the most debated topics in thyroid health today: dietary interventions and thyroid diseases.

Gluten-free diets and nutritional supplementation are frequently promoted on social media as strategies to improve thyroid function. But what does the scientific evidence actually show?

The Mediterranean diet has been associated with reduced systemic inflammation and improved metabolic health. However, robust evidence demonstrating that dietary interventions alone can reverse thyroid autoimmunity is still lacking.

The same applies to gluten-free diets. While they are essential for individuals with celiac disease, current evidence is insufficient to support a universal recommendation for patients with Hashimoto’s thyroiditis who do not have confirmed celiac disease.

When it comes to micronutrients, there is strong biological plausibility for the role of selenium, iodine, iron, and vitamin D in thyroid health. Some studies have reported reductions in thyroid antibody levels with selenium supplementation, associations between higher ferritin levels and symptom improvement in hypothyroidism, and a higher prevalence of vitamin D deficiency in autoimmune thyroid diseases.

However, the available evidence remains heterogeneous, largely observational, and has not consistently demonstrated meaningful clinical benefits.

One of the greatest challenges in modern thyroidology is avoiding the transformation of biological plausibility into universal recommendations. To move forward, we need larger prospective studies with robust clinical outcomes.

26/05/2026

Is there a “magic diet” that can improve thyroid function?

Dr. Adriana Vázquez, Coordinator of the Thyroid Group at the Endocrinology Department of Hospital Durand, addresses some of the most common myths surrounding nutrition and thyroid health.

Many patients seek medical advice after being exposed to claims that specific diets—such as ketogenic, gluten-free (for non-celiac individuals), or so-called “anti-inflammatory” diets can improve thyroid function. These messages are often promoted on social media, by celebrities, in non-scientific publications, or by alternative medicine practitioners, despite the lack of strong scientific evidence to support them.

According to Dr. Vázquez, leading endocrine societies around the world advocate for a cautious, evidence-based approach. Rather than eliminating entire food groups, the focus should be on maintaining a balanced and comprehensive nutritional pattern that supports overall health.

The key message is simple: there is no magic diet for the thyroid. Learning to distinguish between passing trends and scientific evidence is essential for making informed health decisions.

This video is part of the LATS Thyroid Awareness Campaign, an initiative dedicated to promoting reliable information and raising awareness about thyroid health across Latin America.

If you have questions about your thyroid health, consult your endocrinologist.

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