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Endocrinology

Learn how Endocrinology Overview and Definition explain the role of hormones in regulating health, balance, and overall well-being.

Cushing syndrome is a hormonal disorder caused by prolonged exposure to high cortisol levels. Learn about its definition, types, and medical scope.

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Overview and Definition

The Body’s Invisible Control Center

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The human body is a masterpiece of biological engineering, orchestrated by a complex network of chemical messengers called hormones. These invisible signals travel through your bloodstream, dictating everything from your energy levels and weight to your mood, growth, and fertility. When this delicate balance is disrupted, the effects can be devastating.

At Liv Hospital, the Department of Endocrinology and Metabolism serves as the “Control Center” for your health. We do not simply treat symptoms; we act as medical detectives to identify the root cause of the imbalance. Whether you are struggling with a thyroid nodule, unmanaged diabetes, or a rare pituitary tumor, our approach is defined by Precision Metabolism.

We combine the latest diagnostic technology—from high-resolution ultrasonography to dynamic hormone suppression tests—with advanced therapeutic options. Liv Hospital is one of the few centers in the region offering TOETVA (Scarless Thyroid Surgery) and integrated Nuclear Medicine therapies, ensuring that your treatment is not only effective but also minimally invasive and aesthetically superior.

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What is Endocrinology?

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Endocrinology is the branch of medicine that deals with the Endocrine System—the glands that produce hormones. Think of your body as an orchestra. The organs (heart, lungs, liver) are the musicians, but the endocrine glands are the conductors. If the conductor is too fast (Hyperthyroidism) or too slow (Hypothyroidism), the music falls apart.

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We manage the entire network:

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  • Thyroid: Regulates metabolism and energy.
  • Pancreas: Regulates blood sugar (Insulin).
  • Pituitary: The “Master Gland” in the brain that controls other glands.
  • Adrenals: Controls stress response (Cortisol) and blood pressure.
  • Parathyroids: Regulates calcium and bone strength.
  • Ovaries/Testes: Regulates reproduction and sexual health.

Symptoms and Hormonal Impact

The Thyroid Center

Thyroid disorders are the most common endocrine issue we treat. Our center is renowned for its comprehensive “Nodule-to-Surgery” pathway.

Advanced Diagnostics

Many patients come to us with a “suspicious lump.” We use High-Resolution Ultrasonography with Doppler flow to assess the nodule’s risk instantly. If needed, we perform a Fine Needle Aspiration Biopsy (FNA) under ultrasound guidance.

  • The Liv Standard: Our pathologists are often present during the biopsy (Rapid On-Site Evaluation) to ensure we get a good sample, preventing you from needing a repeat procedure.
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Radioactive Iodine Therapy

For Hyperthyroidism (Graves’ Disease) or Thyroid Cancer remnants, we work seamlessly with our Nuclear Medicine Department.

  • The Treatment: You swallow a capsule containing radioactive iodine. The thyroid cells absorb it and are destroyed from the inside, sparing healthy tissue.

Diagnosis and Evaluation

TOETVA: The "Scarless" Thyroid Surgery

For decades, thyroid surgery meant a visible scar across the neck. Liv Hospital is a pioneer in TOETVA (Transoral Endoscopic Thyroidectomy Vestibular Approach).

  • The Technique: The surgeon accesses the thyroid through the inside of the lower lip. There are no cuts on the neck.
  • The Result: The thyroid is removed safely, and once the lip heals (in a few days), there is absolutely no visible trace of the surgery. It is the gold standard for patients concerned about aesthetics.

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Related Doctors

Assoc. Prof. MD. Seda Turgut Liv Hospital Ulus Assoc. Prof. MD. Seda Turgut Endocrinology and Metabolism Prof. MD. Demet Yetkin Liv Hospital Ulus Prof. MD. Demet Yetkin Endocrinology and Metabolism Prof. MD. Berçem Ayçiçek Liv Hospital Vadistanbul Prof. MD. Berçem Ayçiçek Endocrinology and Metabolism Prof. MD. Gönül Çatlı Liv Hospital Vadistanbul Prof. MD. Gönül Çatlı Pediatric Endocrinology Prof. MD. Kubilay Ükinç Liv Hospital Vadistanbul Prof. MD. Kubilay Ükinç Endocrinology and Metabolism Assoc. Prof. MD. Sevil Arı Yuca Liv Hospital Bahçeşehir Assoc. Prof. MD. Sevil Arı Yuca Pediatric Endocrinology and Metabolic Diseases Assoc. Prof. MD. Ufuk Özuğuz Liv Hospital Bahçeşehir Assoc. Prof. MD. Ufuk Özuğuz Endocrinology and Metabolism Spec. MD. Hüseyin Çelik Liv Hospital Bahçeşehir Spec. MD. Hüseyin Çelik Endocrinology and Metabolism Prof. MD. Mehmet Aşık Liv Hospital Topkapı Prof. MD. Mehmet Aşık Endocrinology and Metabolism Prof. MD. Nujen Çolak Bozkurt Liv Hospital Topkapı Prof. MD. Nujen Çolak Bozkurt Endocrinology and Metabolism Prof. MD. Banu Aktaş Yılmaz Liv Hospital Ankara Prof. MD. Banu Aktaş Yılmaz Endocrinology and Metabolism Prof. MD. Peyami Cinaz Liv Hospital Ankara Prof. MD. Peyami Cinaz Pediatric Endocrinology Prof. MD. Serdar Güler Liv Hospital Ankara Prof. MD. Serdar Güler Endocrinology and Metabolism Spec. MD. Elif Sevil Alagüney Liv Hospital Ankara Spec. MD. Elif Sevil Alagüney Endocrinology and Metabolism Prof. MD. Zeynel Beyhan Liv Hospital Gaziantep Prof. MD. Zeynel Beyhan Endocrinology and Metabolic Diseases Spec. MD. Tahsin Özenmiş Liv Hospital Gaziantep Spec. MD. Tahsin Özenmiş Endocrinology and Metabolism Assoc. Prof. MD. Gülçin Cengiz Ecemiş Liv Hospital Samsun Assoc. Prof. MD. Gülçin Cengiz Ecemiş Endocrinology and Metabolism Spec. MD. Esra Tutal Liv Hospital Samsun Spec. MD. Esra Tutal Endocrinology and Metabolic Diseases MD. FİDAN QULU Liv Bona Dea Hospital Bakü MD. FİDAN QULU Endocrinology and Metabolism Spec. MD. Zümrüt Kocabey Sütçü Spec. MD. Zümrüt Kocabey Sütçü Pediatric Endocrinology Prof. MD. Cengiz Kara Liv Hospital Ulus + Liv Hospital Vadistanbul + Liv Hospital Topkapı Prof. MD. Cengiz Kara Pediatric Endocrinology

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Technology Meets Lifestyle

Diabetes is not just about “high sugar”; it is a vascular disease that threatens the eyes, kidneys, and heart. We move beyond basic metformin prescriptions to offer Next-Generation Diabetes Management.

Type 1 Diabetes: The “Artificial Pancreas” Era

Managing Type 1 diabetes is a 24/7 job. We use technology to lighten the burden.

  • Insulin Pumps: We fit and program the latest pumps that deliver insulin continuously.
  • CGM (Continuous Glucose Monitoring): Sensors (like Dexcom or Libre) that send sugar readings to your phone every 5 minutes.
  • Closed-Loop Systems: We integrate the pump and sensor so they “talk” to each other, automatically stopping insulin if you go low and increasing it if you go high. This mimics a real pancreas.

Type 2 Diabetes: Metabolic Remission

For Type 2 patients, our goal is often Remission—getting off medication entirely.

  • Smart Drugs: We use the latest GLP-1 Agonists (injections or pills) that not only lower sugar but also protect the heart and induce significant weight loss.
  • Metabolic Surgery Board: If medical management fails and BMI is high, we consult with our Bariatric Surgery team to evaluate if Metabolic Surgery is the right cure for your diabetes.

Treatment and Management

Neuro-Endocrinology

The pituitary gland is a pea-sized organ at the base of the brain. Tumors here can cause havoc, from giantism (Acromegaly) to milk production in men (Prolactinoma).

  • The Team: These cases are complex. At Liv Hospital, they are managed by the Pituitary Council an Endocrinologist, a Neurosurgeon, and a Neuroradiologist.
  • Endoscopic Transsphenoidal Surgery: If a tumor needs removal, our neurosurgeons remove it through the nose using an endoscope. No craniotomy (opening the skull) is required.
  • Medical Management: Many pituitary tumors (especially Prolactinomas) shrink with medication alone, sparing you from surgery. We monitor these carefully with advanced MRI protocols.

Adrenal Disorders

The adrenal glands sit on top of the kidneys. When they malfunction, they can cause dangerous hypertension or physical changes.

  • Cushing’s Syndrome: Excess cortisol causing weight gain, a “moon face,” and fragile skin. We use dynamic testing (Dexamethasone Suppression) to confirm the diagnosis.
  • Conn’s Syndrome (Hyperaldosteronism): A common but often missed cause of high blood pressure in young people. Removing the affected adrenal gland can cure the hypertension permanently.
  • Pheochromocytoma: A rare tumor that releases adrenaline, causing panic attack-like symptoms. We have specialized protocols to prepare these patients for surgery safely.

Multidisciplinary Endocrine Board

Endocrinologists often work closely with other specialists. They team up with endocrine surgeons for thyroid or parathyroid surgery, ophthalmologists for eye checks in diabetes or Graves’ disease, and dietitians to help manage diabetes and obesity. This teamwork provides complete care for complex health issues.

Lifestyle and Prevention

Reproductive Endocrinology

Hormones are the fuel of reproduction. We treat the hormonal barriers to fertility and wellness.

  • PCOS (Polycystic Ovary Syndrome): The #1 cause of infertility in women. We treat the metabolic root (Insulin Resistance) alongside the hormonal imbalance to restore regular cycles.
  • Menopause Management: We offer bio-identical hormone replacement therapy (HRT) to manage hot flashes and protect bone density, tailored to your personal risk profile.
  • Low Testosterone (Hypogonadism): For men suffering from fatigue and libido loss, we investigate the cause (Pituitary vs. Testicular) and offer safe replacement therapies.

Bone and Mineral Metabolism

Osteoporosis is a silent thief. It steals bone mass until a hip or spine fracture occurs.

  • DEXA Scan: We measure your bone density to catch Osteopenia (early bone loss) before it becomes Osteoporosis.
  • Hyperparathyroidism: Tiny glands in the neck can grow a tumor (adenoma), leaching calcium from your bones and causing kidney stones.
    • Minimally Invasive Parathyroidectomy: We use a radioactive Sestamibi scan to find the exact location of the adenoma and remove it through a tiny 2cm incision.

Obesity and Metabolic Syndrome

Obesity is a hormonal disease, not a willpower failure. Our Endocrinologists lead the Medical Weight Loss Program.

  • Investigation: We first rule out hormonal causes of weight gain (Hypothyroidism, Cushing’s).
  • Treatment: We prescribe FDA-approved anti-obesity medications that regulate appetite centers in the brain, often helping patients lose 15–20% of their body weight without surgery.

Why Choose Liv Hospital Endocrinology?

  1. The “Council” Approach: You don’t just see one doctor. Complex cases (Thyroid Cancer, Pituitary Tumors) are reviewed by a multidisciplinary board.
  2. Nuclear Medicine Integration: We are one of the few private hospitals with a fully integrated Nuclear Medicine department for PET-CT scans and Iodine Therapy, allowing for seamless cancer care.
  3. Advanced Laboratory: Hormone testing requires extreme precision. Our in-house lab uses sensitive assays that can detect minute hormonal fluctuations that standard labs might miss.
  4. International Focus: We understand that international patients often have limited time. We coordinate your blood work, scans, and biopsy to be completed in a condensed 2–3 day schedule.

We're Here to Help.
Get in Touch.

Send us all your questions or requests, and our expert team will assist you.

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FREQUENTLY ASKED QUESTIONS

What is the difference between a hormone and a neurotransmitter?

Hormones are chemical messengers released into the bloodstream to affect distant organs over a more extended period, while neurotransmitters are chemicals released by nerve cells to send rapid signals across a synapse to a neighboring cell.

It is called the master gland because it produces stimulating hormones that control the function of the thyroid, adrenal glands, and reproductive organs, effectively acting as the manager of the endocrine system.

Yes, you can live without a thyroid gland, but you must take synthetic thyroid hormone replacement medication daily for the rest of your life to maintain metabolism and bodily functions.

Yes, hormonal imbalances can significantly impact mental health, causing symptoms such as anxiety, depression, mood swings, and cognitive fog, as the brain is susceptible to hormonal fluctuations.

Obesity is increasingly recognized as a metabolic and endocrine disease because fat tissue acts as an active endocrine organ, releasing hormones that regulate appetite and metabolism, and obesity often involves resistance to hormones like insulin.

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Our Doctors

Assoc. Prof. MD. Seda Turgut Endocrinology and Metabolism

Assoc. Prof. MD. Seda Turgut

Liv Hospital Ulus
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Prof. MD. Cengiz Kara Pediatric Endocrinology

Prof. MD. Cengiz Kara

Liv Hospital Ulus
Liv Hospital Vadistanbul
Liv Hospital Topkapı
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Prof. MD. Demet Yetkin Endocrinology and Metabolism

Prof. MD. Demet Yetkin

Liv Hospital Ulus
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Prof. MD. Berçem Ayçiçek Endocrinology and Metabolism

Prof. MD. Berçem Ayçiçek

Liv Hospital Vadistanbul
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Prof. MD. Gönül Çatlı Pediatric Endocrinology

Prof. MD. Gönül Çatlı

Liv Hospital Vadistanbul
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Prof. MD. Kubilay Ükinç Endocrinology and Metabolism

Prof. MD. Kubilay Ükinç

Liv Hospital Vadistanbul
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Assoc. Prof. MD. Sevil Arı Yuca Pediatric Endocrinology and Metabolic Diseases

Assoc. Prof. MD. Sevil Arı Yuca

Liv Hospital Bahçeşehir
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Assoc. Prof. MD. Ufuk Özuğuz Endocrinology and Metabolism

Assoc. Prof. MD. Ufuk Özuğuz

Liv Hospital Bahçeşehir
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Spec. MD. Hüseyin Çelik Endocrinology and Metabolism

Spec. MD. Hüseyin Çelik

Liv Hospital Bahçeşehir
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Prof. MD. Mehmet Aşık Endocrinology and Metabolism

Prof. MD. Mehmet Aşık

Liv Hospital Topkapı
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Prof. MD. Nujen Çolak Bozkurt Endocrinology and Metabolism

Prof. MD. Nujen Çolak Bozkurt

Liv Hospital Topkapı
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Prof. MD. Banu Aktaş Yılmaz Endocrinology and Metabolism

Prof. MD. Banu Aktaş Yılmaz

Liv Hospital Ankara
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Prof. MD. Peyami Cinaz Pediatric Endocrinology

Prof. MD. Peyami Cinaz

Liv Hospital Ankara
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Prof. MD. Serdar Güler Endocrinology and Metabolism

Prof. MD. Serdar Güler

Liv Hospital Ankara
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Spec. MD. Elif Sevil Alagüney Endocrinology and Metabolism

Spec. MD. Elif Sevil Alagüney

Liv Hospital Ankara
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Prof. MD. Zeynel Beyhan Endocrinology and Metabolic Diseases

Prof. MD. Zeynel Beyhan

Liv Hospital Gaziantep
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Spec. MD. Tahsin Özenmiş Endocrinology and Metabolism

Spec. MD. Tahsin Özenmiş

Liv Hospital Gaziantep
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Assoc. Prof. MD. Gülçin Cengiz Ecemiş Endocrinology and Metabolism

Assoc. Prof. MD. Gülçin Cengiz Ecemiş

Liv Hospital Samsun
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Spec. MD. Esra Tutal Endocrinology and Metabolic Diseases

Spec. MD. Esra Tutal

Liv Hospital Samsun
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MD. FİDAN QULU Endocrinology and Metabolism

MD. FİDAN QULU

Liv Bona Dea Hospital Bakü
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Spec. MD. Zümrüt Kocabey Sütçü Pediatric Endocrinology

Spec. MD. Zümrüt Kocabey Sütçü

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