Dra. Diana Marquez, Oncologist, ENT Surgeon - Tijuana, Mexico

Dra. Diana Marquez | Renowned ENT Surgeon & Oncologist in Tijuana, Mexico

About Dra. Diana Marquez

Dra. Diana Marquez is a highly distinguished and renowned ENT (Otolaryngology) specialist and surgical oncologist operating out of the state-of-the-art Aesthetic and Oncologic Face, Head and Neck Clinic and OR. Located on the 25th floor of the prestigious New City Medical Plaza in Tijuana, Mexico, Dra. Marquez has dedicated her career to providing advanced therapeutic and reconstructive care for complex conditions affecting the ear, nose, throat, and head and neck structures. With over two decades of specialized medical experience and a profound, meticulous eye for pathological and anatomical detail, she is deeply committed to delivering life-changing, health-restoring results tailored to each patient’s complex medical and structural needs.

Recognized as a Double Board Certified Surgeon, Dra. Marquez combines cutting-edge surgical oncology with a highly compassionate approach to patient care. This dedication has earned her a robust, international reputation for excellence, particularly in complex head and neck tumor resections, functional airway restorations, and reconstructive surgeries. Because the vast majority of her patients travel from outside the country as medical tourists, Dra. Marquez and her dedicated medical team have optimized their practice to provide personalized, comprehensive solutions in a safe, comfortable, and professional clinical setting. From critical oncological interventions to advanced functional airway refinements, patients are guaranteed the highest standard of specialized surgical care.

Medical Expertise & Specializations

Dra. Diana Marquez’s medical expertise is deeply rooted in a comprehensive understanding of complex head, neck, and upper airway anatomy, as well as the intricate management of head and neck pathologies. Over the course of performing more than 2,000 successful surgeries, she has refined her surgical approach to prioritize oncology clearance, safety, patient longevity, and structural recovery. Her clinical methodology revolves around a highly detailed initial consultation process. During this critical phase, Dra. Marquez meticulously discusses the patient’s pathology, thoroughly reviews their biopsy and medical imaging records, conducts a precise examination of the head and neck structures, and explores all viable therapeutic surgical options. This ensures that every patient fully understands the surgical process, the expected recovery timeline, and the realistic health outcomes of their procedure.

Her practice is uniquely adapted to accommodate the needs of medical tourists. Recognizing that out-of-town patients require specialized logistical and medical support, Dra. Marquez offers comprehensive guidance, including free initial evaluations of medical reports and detailed post-operative care plans to ensure long-term health and healing. Post-operative surveillance and maintenance are key pillars of her medical philosophy, emphasizing the importance of long-term oncological monitoring, a healthy lifestyle, rehabilitative therapies, and supplementary care to preserve the patient's quality of life.

Conditions Treated

Dra. Marquez provides advanced surgical interventions for a variety of benign, malignant, and functional disorders of the head, neck, and respiratory tracts. She expertly addresses head and neck pathologies, including tumors of the thyroid, parathyroid, salivary glands, and oral cavity. For patients presenting with structural nasal and airway irregularities—whether congenital, traumatic, or secondary to disease—she evaluates the delicate nasal framework to restore optimal function, respiratory breathing, and structural proportion. Additionally, she treats conditions related to the throat, vocal cords, chronic sinus disorders, and complex head and neck soft tissue pathologies, ensuring restored health and anatomical integrity.

Procedures Performed

• Head and Neck Cancer Resection: Utilizing cutting-edge oncology techniques, Dra. Marquez performs precise removals of malignant and benign tumors of the head, neck, mouth, and throat, ensuring maximum oncological clearance while carefully preserving nearby nerves and vital structures.
• Thyroidectomy and Parathyroidectomy: Comprehensive and precise surgical removal of part or all of the thyroid or parathyroid glands to treat tumors, nodules, hyperparathyroidism, or thyroid cancer, prioritizing patient safety and vocal cord preservation.
• Functional Rhinoplasty & Septoplasty: To combat airway obstruction and structural nasal breathing issues, she performs advanced functional nasal surgeries. This procedure corrects deviated septums, reduces turbinates, and reconstructs the nasal framework to restore efficient breathing and airway dynamics.
• Salivary Gland Surgery: Advanced microsurgical procedures targeting the parotid or submandibular glands to treat tumors, cysts, or chronic infections, executed with exceptional precision to protect the delicate facial nerves.
• Reconstructive Head and Neck Surgery: Understanding that oncology resections or trauma can impact form and function, Dra. Marquez performs complex reconstructive procedures during the same surgical session when required. This strategic approach minimizes overall patient downtime and maximizes functional recovery when executed by an experienced surgeon.

Education, Training & Credentials

Dra. Diana Marquez stands in the upper echelon of specialists in Mexico, backed by an impressive 20+ years of clinical experience in the fields of Otolaryngology (ENT) and Surgical Oncology. Over the past two decades, she has dedicated herself entirely to the medical and surgical mastery of head, neck, and airway disorders. As a Double Board Certified Surgeon, Dra. Marquez has met and exceeded rigorous educational, residency, and clinical standards across both distinct specialties, demonstrating exceptional proficiency and an unwavering commitment to patient safety. Her high surgical volume—having successfully completed more than 2,000 surgeries—is a testament to her technical expertise, precision, and the deep trust placed in her by an international patient base.

Frequently Asked Questions (FAQ)