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About Dr. Ruth Pettengell

Conditions treated by Dr. Ruth Pettengell

A medical oncologist treats different types of cancer using different techniques like hormone therapy, chemotherapy, targeted therapy, or immunotherapy. A medical oncologist works with other specialists to design a treatment plan according to the type and nature of cancer, age of the patient, stage of cancer. They discuss cancer diagnosis with you, including the stage and type you have. They also assist you to manage the cancer symptoms as well as treatment side effects. Some of the conditions Dr. Ruth Pettengell treats are:

  • Brain Cancers- Astrocytoma
  • Skin Cancer
  • Oligodendrogliomas
  • Pancreatic Cancer
  • Breast and Prostate Cancer
  • Colon Cancer
  • Prostate Cancer
  • Meningiomas
  • Metastatic Cancer
  • Primitive Neuroectodermal Tumors
  • Sickle Cell Disease
  • Mixed Gliomas
  • Congenital Neutropenia
  • Breast Cancer
  • Acute Myelogenous Leukemia (AMI)
  • Lung Cancer
  • Ovarian Cancer
  • Acute Lymphocytic Leukemia
  • Brain Cancer
  • Oral or Mouth Cancer
  • Ependymomas
  • Stomach Cancer
  • Colorectal or Colon Cancer
  • Multiple Myeloma
  • Certain Types of Cancer that have been Resistant to Chemotherapy and Radiation Treatment (e.g. Melanoma)
  • Rectal Cancer
  • Thalassemia
  • Aplastic Anemia
  • Lymphoma
  • Cervical Cancer

Signs and Symptoms treated by Dr. Ruth Pettengell

The earlier doctors detect cancer, the sooner the treatment can start. So it is vital to know the common types of cancer and some of their warning signs. There are more than 90 types of cancer, and some of them are more common than others. This depends on your gender, age, and racial or ethnic group. Some of the common symptoms of cancer are listed below. If you have any of these symptoms, consult a medical oncologist.:

  • Lump or area of thickening that can be felt under the skin
  • Fatigue
  • Persistent, unexplained fevers or night sweats
  • Unexplained bleeding or bruising
  • Persistent indigestion or discomfort after eating
  • Skin changes, such as yellowing, darkening or redness of the skin, sores that won't heal, or changes to existing moles
  • Persistent cough or trouble breathing
  • Hoarseness
  • Difficulty swallowing
  • Persistent, unexplained muscle or joint pain
  • Weight changes, including unintended loss or gain
  • Changes in bowel or bladder habits

Operating Hours of Dr. Ruth Pettengell

If you want to see Dr Ruth Pettengell, you can visit his clinic or associated hospital between 11 am and 5 pm from Monday to Saturday. You can connect with the doctor or his attendant to confirm his/her availability because the doctor may not be available in the given time due to some personal reasons or any emergencies.

Popular Procedures performed by Dr. Ruth Pettengell

Some of the popular procedures that Dr Ruth Pettengell performs are:

  • Chemotherapy
  • Bone Marrow Transplant

Chemotherapy is a common procedure for the treatment of a certain type of cancer. It involves the use of chemicals to kill growing cancer cells in the body. Chemotherapy medications can be used alone or combined with other drugs to treat a variety of cancers. Hormone therapy is a procedure that uses medicines to stop or lower the amount of hormones used by cancer cells to grow. Hormone therapy is used for the treatment of breast cancer, prostate cancer, ovarian cancer, and womb cancer.

Qualification

  • MBChB - University Hospitals of Auckland
  • Ph.D. - University of Manchester

Work Experiences

  • Senior Clinical Research position at the Department of Developmental Hematopoiesis, Memorial Sloan-Kettering Cancer Center, New York, USA
  • Honorary Consultant & Senior Lecturer in Haematology & Medical Oncology, St. George’s Hospital, London
  • Global Team of Board Certified Surgeons and Medical Specialists
  • Written Second Opinion report delivered within 5 days
  • Option to avail the Video Consultation with the Lead Doctor of the board

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Telemedicine Doctors

CERTIFICATIONS (2)

  • Clinical Oncology - University Hospitals of Auckland
  • Fellowship Royal Australasian College of Physicians

MEMBERSHIPS (1)

  • Royal Australasian College of Physicians

RESEARCH PAPERS AND PUBLICATIONS (3)

  • The durable benefit of rituximab maintenance post-autograft in patients with relapsed follicular lymphoma: 12-year follow-up of the EBMT lymphoma working party Lym1 trial
  • Maximum Tumor diameter is associated with event-free survival in PET-negative patients with stage I/IIA Hodgkin lymphoma
  • Treatment of aggressive B-cell non-Hodgkin lymphoma beyond frontline therapy in patients not eligible for stem cell transplantation: a structured review

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PROCEDURES

  • Adrenal Cancer Treatment
  • Bone Marrow Transplant
  • Chemotherapy
  • Cholangiocarcinoma (Bile Duct Cancer)
  • Nasopharyngeal Cancer Treatment
  • Papillary Thyroid Cancer Treatment
  • Penile Cancer Treatment
  • Small Intestine Cancer Treatment
  • Vaginal Cancer Treatment
  • Vulvar Cancer Treatment

FREQUENTLY ASKED QUESTIONS

What area of specialization does Dr. Ruth Pettengell have?
Dr. Ruth Pettengell is a specialized Medical Oncologist and is one of the most sought after doctors in London, United Kingdom.
Does Dr. Ruth Pettengell offer Telemedicine Consultation through Medigence?
No, this doctor does not offer telemedicine via MediGence
How many years of experience does Dr. Ruth Pettengell have?
Dr. Ruth Pettengell is one of the most sought after specialists in United Kingdom and has over 30 Years years of experience.

FAQ's Related to Medical Oncologist

What does a medical oncologist do?

A medical oncologist is a doctor who is responsible for the diagnosis and treatment of cancer through various techniques like chemotherapy, hormone therapy, targeted therapy, and immunotherapy. They coordinate with other doctors to design a treatment plan that is suitable for you. They help patients manage their cancer symptoms. If a medical oncologist finds that cancer cannot be treated, they recommend hospice or palliative care for the patients. A medical oncologist is mainly involved to manage cancer.

What are the tests required before and during consultation by a medical oncologist?

The tests that help medical oncologists diagnose cancer are listed below:

  • Physical Exam
  • Biopsy
  • Laboratory Tests
  • Imaging Tests
  • Cancer Screening

Biopsy is the most preferred test to confirm cancer. It is the removal of a small amount of tissue from specific parts of your body followed by examination under a microscope to find the presence of cancer or any other abnormalities.

When should you go to see a medical oncologist?

A person may be referred to a medical oncologist when the primary case doctor thinks that the person shows cancer symptoms. The medical oncologist evaluates the condition of the patient and examines to confirm cancer. You need to see a medical oncologist if you experience the symptoms listed below:

  1. Change in bowel or bladder habits
  2. Indigestion or difficulty swallowing
  3. Change in a wart/mole
  4. Nagging cough
  5. A sore throat
  6. Unusual bleeding or discharge
  7. Lump in the breast or elsewhere

Reviewer

Dr. Vijita Jayan
Dr. Vijita Jayan

BPT, MPT (Neuro)

18 Years of Experience

With over 18 years of distinguished clinical experience, Dr. Vijita Jayan is a highly accomplished Clinical Director and Rehabilitation Specialist, renowned for her expertise in neuro-rehabilitation, functional recovery, and mobility-dependent case management. Her extensive practical knowledge enables her to design and implement individualized, evidence-based rehabilitation protocols that consistently yield measurable patient outcomes. A prolific researcher and academic writer, she has authored numerous peer-reviewed articles and research papers, significantly advancing the field of rehabilitative medicine. The recipient of multiple prestigious accolades, Dr. Jayan is widely regarded as one of the foremost authorities in Physical Medicine and Rehabilitation, continually shaping neuro-rehabilitative care through research, innovation, and clinical excellence. View More

Last Reviewed - January 2026

Author

Fauzia Zeb Fatima
Fauzia Zeb Fatima

M.Pharm

4 Years of Experience

Fauzia Zeb is a distinguished medical and scientific content writer with a robust academic foundation in pharmaceutical sciences, holding a B.Pharm and M.Pharm degree from prestigious institutions, including MIT and Jamia Hamdard University. Her comprehensive expertise in pharmacology, clinical sciences, and biomedical research enables her to translate complex medical and scientific concepts into precise, evidence-based content tailored for diverse audiences. Specializing in peer-reviewed articles, clinical blog posts, and research-driven publications, she demonstrates a consistent ability to bridge the gap between advanced medical science and accessible, audience-specific communication.. View More