About
Dr. Shannon Elizabeth Trainor is a skilled General Surgeon, specializing in a comprehensive range of surgical treatments. Practicing at Markham Family Physicians and performing surgeries at Lakeridge Health Hospital in Oshawa, ON, she is a respected member of the surgical community. Her practice adheres strictly to the standards set by the College of Physicians and Surgeons of Ontario (CPSO). She has expertise in diagnosing and managing conditions affecting the abdomen, digestive system, breast, skin, and endocrine system, among others. She performs both elective and emergency surgeries, often utilizing minimally invasive techniques to enhance patient recovery. Her surgical practice is dedicated to providing high-quality, patient-focused care, from initial consultation through to post-operative recovery, utilizing modern surgical techniques and a collaborative approach.
Dr. Trainor graduated with a Medical Degree from the University of Toronto, Canada. With over 22 years of experience as a General Surgeon since 2002, she has developed a deep expertise in her field. She is recognized as a Royal College of Physicians and Surgeons of Canada (RCPSC) Specialist by the College of Physicians and Surgeons of Ontario (CPSO). Her extensive training and clinical experience enable her to offer comprehensive surgical care tailored to each patient's unique needs.
Dr. Trainor is committed to providing safe, effective, and evidence-based surgical care. She emphasizes a patient-centered approach, ensuring clear communication and shared decision-making throughout the treatment process. Utilizing minimally invasive techniques whenever appropriate, she strives to minimize patient discomfort and promote quicker recoveries. She collaborates closely with multidisciplinary teams to ensure comprehensive management of her patients' conditions. Dedicated to ongoing professional development and surgical excellence, Dr. Trainor also communicates effectively in French, in addition to English, to serve a diverse patient population in Oshawa and the surrounding communities.
Dr. Shannon Trainor provides surgical treatment for a diverse range of conditions, including:
Abdominal and Digestive System Conditions
Dr. Trainor addresses common and complex diseases of the digestive system that may necessitate surgical procedures performed by a general surgeon.
- Diverticulitis / Diverticular Disease: Inflammation or infection in one or more small pouches (diverticula) in the digestive tract, usually the colon.
- Bowel Obstruction (Small or Large Intestine): Blockage that prevents food or liquid from passing through the small intestine or large intestine (colon).
Cancers and Tumors (Surgical Oncology)
Dr. Trainor addresses surgical removal of malignant tumors and often nearby lymph nodes, as a key component of cancer therapy.
- Breast Cancer: Surgical treatment options including lumpectomy (breast-conserving surgery) and mastectomy (removal of the breast).
- Soft Tissue Sarcomas: Often managed in collaboration with sarcoma specialists and oncologists.
This list is not exhaustive. For a comprehensive evaluation and to discuss whether surgery is appropriate for your specific condition, a consultation with Dr. Shannon Trainor is necessary.
- Thyroidectomy / Parathyroidectomy: Surgical removal of one or more parathyroid glands (typically for hyperparathyroidism).
- Second Opinion for Surgical Conditions: Offering expert second opinions for patients considering general surgical interventions.
- Sigmoidoscopy: Often used for screening for colorectal cancer or investigating symptoms related to the lower bowel.
- Breast Surgery (e.g., Lumpectomy, Mastectomy, Biopsy): Includes breast-conserving surgery (lumpectomy), removal of the entire breast (mastectomy), and diagnostic biopsies.
- Upper GI Endoscopy (Gastroscopy / EGD): Diagnostic and sometimes therapeutic examination of the esophagus, stomach, and duodenum using a flexible camera.
- General Surgical Consultation: Expert opinion on the need for surgery and discussion of surgical options, risks, and benefits.
Note: This list provides an overview of common surgical areas. Specific procedures and treatment plans are determined on an individual basis after consultation with Dr. Trainor.
All surgical services are provided in accordance with the standards of practice set by the College of Physicians and Surgeons of Ontario (CPSO) and relevant Canadian Association of General Surgeons (CAGS) and relevant surgical best practices. A referral from a physician is typically required for consultation.
Dr. Trainor's primary clinic is located at Markham Family Physicians in Oshawa’s Vanier, McLaughlin West neighborhood. She performs surgical procedures at Lakeridge Health Hospital, which is easily accessible for her patients. The clinic is conveniently situated near the Oshawa GO Station and is accessible via Durham Region Transit (DRT). Both the clinic and the hospital facilities are wheelchair accessible and designed to ensure patient comfort and privacy. Patients can expect a professional, welcoming environment for consultations and follow-up surgical care. Ample parking, including accessible options, is usually available nearby, making visits convenient and stress-free for her patients.
- When would I typically need a referral to see a General Surgeon like Dr. Trainor?
- A referral to a General Surgeon like Dr. Trainor is usually made by your family doctor or another specialist when a condition is suspected or diagnosed that may require surgical evaluation or treatment. This could include persistent abdominal pain, a new lump or mass (e.g., in the breast or skin), symptoms of gallbladder disease, a hernia, signs of appendicitis, or concerns about colorectal conditions. They also manage conditions initially identified through screening, like colon polyps or early-stage breast cancer.
- What types of surgical procedures does Dr. Trainor perform?
- As a General Surgeon, Dr. Trainor is skilled in a variety of surgical procedures. Common operations include appendectomies (appendix removal), cholecystectomies (gallbladder removal), hernia repairs, bowel resections (for conditions like cancer or diverticulitis), thyroid and parathyroid surgery, and surgeries for breast conditions. Many of these can be performed using minimally invasive (laparoscopic) techniques, which often lead to quicker recovery. The specific procedures offered depend on Dr. Trainor's areas of focus within general surgery.
- What does a General Surgeon like Dr. Trainor do?
- Dr. Trainor, a General Surgeon, is a specialist surgeon who manages a wide variety of common and complex surgical problems. General surgeons are often the primary surgical contact for conditions involving the digestive tract, abdominal organs, hernias, breast diseases, and skin/soft tissue lesions. They are trained in numerous surgical techniques, including minimally invasive (laparoscopic) surgery, and play a critical role in both planned (elective) operations and emergency surgical situations.
- Does Dr. Trainor perform laparoscopic (minimally invasive) surgery?
- It's common for General Surgeons such as Dr. Trainor to offer minimally invasive surgical options, including laparoscopic procedures. This approach can lead to benefits like reduced pain and quicker recovery times for many common surgeries. The suitability of laparoscopic surgery depends on the specific medical condition and individual patient factors, which Dr. Trainor would evaluate and discuss with you during your consultation.
- Do General Surgeons like Dr. Trainor ever specialize further?
- Indeed. After completing general surgery residency, surgeons can opt for further fellowship training to subspecialize. Dr. Trainor, as a General Surgeon, has a wide scope of practice, but some general surgeons focus more on specific areas like vascular surgery, pediatric surgery (if they have dual certification or focus), or cancer surgery (surgical oncology). General surgeons perform a wide variety of common surgical procedures and can manage many different types of conditions. This allows them to offer highly specialized care within those fields while maintaining their broad general surgical skills.
- Do I always need surgery if I have a consultation with Dr. Trainor?
- Not necessarily. A consultation with a General Surgeon like Dr. Trainor is an opportunity to evaluate your condition, discuss diagnostic findings, and explore all treatment options. In some cases, surgery may be the recommended course of action, but in others, non-surgical management, observation, or further investigation might be more appropriate. Dr. Trainor will provide a comprehensive assessment and recommend the best approach for your specific situation, ensuring you are fully informed to make a decision.
Markham Family Physicians
1 Hospital Court
Oshawa, ON L1G 2B9
Clinic Phone: (905) 576-8711 | Clinic Fax: (905) 433-4577
The clinic and affiliated hospital facilities are wheelchair accessible and designed for patient comfort and privacy.
Dr. Trainor is a licensed General Surgeon regulated by the College of Physicians and Surgeons of Ontario (CPSO) under the Regulated Health Professions Act, 1991 and Medicine Act, 1991 in ON. A referral from a family physician or another specialist is generally required for a consultation with Dr. Trainor for services covered by the provincial health plan (Ontario Health Insurance Plan (OHIP)).
Verify Dr. Trainor's registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Trainor-Shannon-Elizabeth/0139949-71408